Analysis
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max time kernel
154s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 01:30
Static task
static1
Behavioral task
behavioral1
Sample
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240426-en
General
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Target
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
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Size
542KB
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MD5
a5b21b2b487ef822fa7564a5a6833e10
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SHA1
658b3e8680f568b6ae557bbc14cefbf8ce6cc54d
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SHA256
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527
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SHA512
8f3bde613d093b50277a60accfea4adf8e7c5eaccc9bfbe2684e6271ed20e6e3ebe38c9ce20b9f820a628b0deb48a3f0c4f9907af42dcd540ab6ae5c8ae804a6
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SSDEEP
12288:reCLyNx2qdIzjxxtoHzWb+xDuKLDKg4rUQqS0JFy/ykYPEvGT+KsjE:rebNwqaz9jszK+xiKvt4rUM0JFyFYPg8
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
behw orok mlzk zmzt - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3304-844-0x0000000000490000-0x00000000016E4000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral2/memory/3304-847-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3304-844-0x0000000000490000-0x00000000016E4000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/3304-847-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3304-844-0x0000000000490000-0x00000000016E4000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral2/memory/3304-847-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3304-844-0x0000000000490000-0x00000000016E4000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral2/memory/3304-847-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3304-844-0x0000000000490000-0x00000000016E4000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral2/memory/3304-847-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3304-844-0x0000000000490000-0x00000000016E4000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral2/memory/3304-847-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Loads dropped DLL 2 IoCs
Processes:
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exepid process 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe -
Drops file in System32 directory 1 IoCs
Processes:
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exedescription ioc process File opened for modification C:\Windows\SysWOW64\kaleb.ini 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exepid process 3304 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exepid process 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe 3304 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exedescription pid process target process PID 792 set thread context of 3304 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe -
Drops file in Program Files directory 1 IoCs
Processes:
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exedescription ioc process File opened for modification C:\Program Files (x86)\skitserer.ini 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exepid process 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exedescription pid process target process PID 792 wrote to memory of 3304 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe PID 792 wrote to memory of 3304 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe PID 792 wrote to memory of 3304 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe PID 792 wrote to memory of 3304 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe PID 792 wrote to memory of 3304 792 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe 55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe"C:\Users\Admin\AppData\Local\Temp\55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe"C:\Users\Admin\AppData\Local\Temp\55803a4227e0110d88300cd0ea5c98d479738a2a33be1d07702301eb1fc37527.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nsgAE3E.tmp\System.dllFilesize
11KB
MD58b3830b9dbf87f84ddd3b26645fed3a0
SHA1223bef1f19e644a610a0877d01eadc9e28299509
SHA256f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
SHA512d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03
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C:\Users\Admin\AppData\Local\Temp\nsuC1EA.tmpFilesize
10B
MD5fa5eb52a9735c883abcf72a7f9cf2254
SHA1a043e3d3df1605300a2f5629ad7a302082814956
SHA25640ccdff1a037de0fb10d03ea9fe79c2c96e7f18c3c7dffd92b42c2f0ed749116
SHA512983e3f605f34f74e95db170da28f2584a74bf4d0047ea76c905c409e624d9db2a439e70beb07d8f879fb25549da52bb9cac6304281e2582d6e5b1b4f12ac21f2
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C:\Users\Admin\AppData\Local\Temp\nsuC1EA.tmpFilesize
30B
MD5f15bfdebb2df02d02c8491bde1b4e9bd
SHA193bd46f57c3316c27cad2605ddf81d6c0bde9301
SHA256c87f2ff45bb530577fb8856df1760edaf1060ae4ee2934b17fdd21b7d116f043
SHA5121757ed4ae4d47d0c839511c18be5d75796224d4a3049e2d8853650ace2c5057c42040de6450bf90dd4969862e9ebb420cd8a34f8dd9c970779ed2e5459e8f2f1
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
1B
MD58ce4b16b22b58894aa86c421e8759df3
SHA113fbd79c3d390e5d6585a21e11ff5ec1970cff0c
SHA2568254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a
SHA5122af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
2B
MD525bc6654798eb508fa0b6343212a74fe
SHA115d5e1d3b948fd5986aaff7d9419b5e52c75fc93
SHA2568e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc
SHA5125868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
3B
MD54e27f2226785e9abbe046fc592668860
SHA128b18a7f383131df509f7191f946a32c5a2e410c
SHA25601a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d
SHA5122a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
4B
MD5cde63b34c142af0a38cbe83791c964f8
SHA1ece2b194b486118b40ad12c1f0e9425dd0672424
SHA25665e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d
SHA5120559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
5B
MD5e2fecc970546c3418917879fe354826c
SHA163f1c1dd01b87704a6b6c99fd9f141e0a3064f16
SHA256ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0
SHA5123c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
6B
MD550484c19f1afdaf3841a0d821ed393d2
SHA1c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b
SHA2566923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c
SHA512d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
7B
MD567cfa7364c4cf265b047d87ff2e673ae
SHA156e27889277981a9b63fcf5b218744a125bbc2fa
SHA256639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713
SHA51217f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
8B
MD5c3cb69218b85c3260387fb582cb518dd
SHA1961c892ded09a4cbb5392097bb845ccba65902ad
SHA2561c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101
SHA5122402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
9B
MD52b3884fe02299c565e1c37ee7ef99293
SHA1d8e2ef2a52083f6df210109fea53860ea227af9c
SHA256ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858
SHA512aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe
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C:\Users\Admin\AppData\Local\Temp\nsvB8DF.tmpFilesize
10B
MD59a53fc1d7126c5e7c81bb5c15b15537b
SHA1e2d13e0fa37de4c98f30c728210d6afafbb2b000
SHA256a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92
SHA512b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1
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C:\Users\Admin\AppData\Local\Temp\nswAD72.tmpFilesize
49B
MD53dde622512d2f3586cb4427fedc984aa
SHA1dd215ea7d405c19b0684575c189d1d18e6eb6048
SHA256cb99a0cd928dce16f9350bc06ffc210f3f34c9928a05771227b19f18280ee24e
SHA512d3c95653af8bab34dc9cb60dbed8e667a2813103af898a1a4cb477162779ba254a99d623e7a6ceaaafa699b34e59c7939b830b26d154d3c52cce7af32dfa2821
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C:\Users\Admin\AppData\Local\Temp\nswAD72.tmpFilesize
66B
MD53a055708070979e7bf5088d9471320ba
SHA1cb4e803ae05765ee43787cbd3abb91166bbf8fd7
SHA256cc1c32ae1abcb46fd4871832a8b7a51a440905d97709c53e66d16a0cd33276ee
SHA5123f3b5c9c1fdca9e76fda76ff601d11320b4866ee0b0358b014699e33be79252cb94390fb589fa5099b68d00491a207f3fe6223b955a5a4be6f1df1b389fd613e
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C:\Users\Admin\AppData\Local\Temp\nswAD72.tmpFilesize
74B
MD516d513397f3c1f8334e8f3e4fc49828f
SHA14ee15afca81ca6a13af4e38240099b730d6931f0
SHA256d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36
SHA5124a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3
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C:\Users\Admin\AppData\Local\Temp\nsyBEAD.tmpFilesize
26B
MD517425c43be7fbedcbfb1934f0dc3e914
SHA18217a08d1c7fdbf5499aa5297e476cf38c12b8a6
SHA2562e731782503bbf3b2fa333ff6e2da7c873dfeb1d11a25c5e7a013c11fb7028a1
SHA5123a8a521c6c0fd50b15fb086a3bbc9d03b048c06350cc2812f214fcc73720c5f6d931fce0889ed4f36d8f3fb1402ebe2f23167b206e18d969296658d28971aed2
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C:\Users\Admin\AppData\Local\Temp\nsyBEAD.tmpFilesize
43B
MD56c414a008607f3f0e3ea2f6d92950c25
SHA1cffce216b4c1c4948ee141e939586d34dc837065
SHA25688f2d81c231afcb80227ce9f0e321315d72b3b9d036ebe0c8c1e86877980dbeb
SHA512fc63124ee096602a9b4a8476ae6f0ac49875dc3e39bd0f7664fa808bfeaea3aa26a5f2674b9d90098198d3a4de8725e12504e54fa772ed945108242e4d960496
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C:\Users\Admin\AppData\Local\Temp\nsyBEAD.tmpFilesize
44B
MD5fb069ae06f958fb8664e4576b9efa035
SHA1badd0515879c0082bca40d4d27abd39ac207aee8
SHA256f2a3a66a54e5f2bfb571203a5fc324cafbec918b951544461639a2ba8777a6bc
SHA512965206f7bb6f837d36ede0ad6e17d77ea52c0d703a87afddc82ec9174337dd7139609d751a86c4cadc370628377b94749ea413c69864595e74e4ec26adf3376b
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C:\Users\Admin\AppData\Local\Temp\nsyBEAD.tmpFilesize
45B
MD5abe69f692a984e87f421fbcae6319109
SHA1348860b2e1a5dfa57db78e160b951b3fafbcd726
SHA2565fb7c8e17c0a0018f2bb02038db78313ce853d58fbb4f3c7b597fc5dd3ec2604
SHA512c65f1ed9dcb03d581cdaf6f341daeaaae81da99b2d6b4d94dfdd670b49c737d74b56406ab462ecf8182648f06d3d6126a51a59d9888b4ce605fd2fce3d863477
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C:\Users\Admin\AppData\Local\Temp\nsyBEAD.tmpFilesize
51B
MD5493c00224e86cb111bc5263d43a7eaaa
SHA16747652787d7837c07f0a54d6d08809c85910b16
SHA2569f9b3a498c88b38ff0b84907836d3eed6669136a421dd6b6f96406e838a80e0c
SHA512ac5f1740be5edbe37e2aafbeba7b11236b6456edc23404a61b537de33403773d1c1334f66d9d695df4edebec7e04bdcb8a7c0d466963b95d383dce461769c79b
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C:\Users\Admin\AppData\Local\Temp\nsyBEAD.tmpFilesize
56B
MD5c8e27705e15b591e798a5f5b7261ea30
SHA1523e1274e097d70fb49475d377cc350bb3ea9c65
SHA256a45e150df82810e65949786fc75cf77f2ae7fc41671a96f4841e0b74d59a069b
SHA5121d4694457e6f9f9812c25aec80f34b4ad9088533c8a54f4a6a0a4b16c378809c35c2a6351187d39f19730347048e6cb1aa501f16013bcc2064ffddae4bdb80ba
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C:\Windows\SysWOW64\kaleb.iniFilesize
45B
MD59dfd97e7025bf54441fe6759f87e5ddf
SHA10f04ae6a7bc2213255fc72898f339b12bd743f24
SHA256eea1bdc93e5a8fcbca0aea236d83b487ad2af028095a0d0107f02d397b4372fb
SHA51208ea09b23814906f040060b46d919d45f6aee0c96b27d0baa88813bc46032c274546adb89e354b78f659c962a8588adbbd49966951e1f1b097e2484a07678f44
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memory/792-840-0x0000000010004000-0x0000000010005000-memory.dmpFilesize
4KB
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memory/792-839-0x0000000077571000-0x0000000077691000-memory.dmpFilesize
1.1MB
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memory/3304-841-0x0000000000490000-0x00000000016E4000-memory.dmpFilesize
18.3MB
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memory/3304-842-0x00000000775F8000-0x00000000775F9000-memory.dmpFilesize
4KB
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memory/3304-843-0x0000000077615000-0x0000000077616000-memory.dmpFilesize
4KB
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memory/3304-845-0x0000000077571000-0x0000000077691000-memory.dmpFilesize
1.1MB
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memory/3304-844-0x0000000000490000-0x00000000016E4000-memory.dmpFilesize
18.3MB
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memory/3304-846-0x0000000071E3E000-0x0000000071E3F000-memory.dmpFilesize
4KB
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memory/3304-847-0x0000000000490000-0x00000000004D2000-memory.dmpFilesize
264KB
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memory/3304-848-0x00000000383C0000-0x0000000038964000-memory.dmpFilesize
5.6MB