Resubmissions
17-04-2024 14:50
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240410-n6lvvaeh23 10Analysis
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max time kernel
180s -
max time network
192s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-04-2024 14:50
Behavioral task
behavioral1
Sample
a7613e5c267e7f270918ef87fcb1e45c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a7613e5c267e7f270918ef87fcb1e45c.exe
Resource
win7-20240221-en
Behavioral task
behavioral3
Sample
a7613e5c267e7f270918ef87fcb1e45c.exe
Resource
win10-20240404-en
Behavioral task
behavioral4
Sample
a7613e5c267e7f270918ef87fcb1e45c.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
a7613e5c267e7f270918ef87fcb1e45c.exe
Resource
win11-20240412-en
General
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Target
a7613e5c267e7f270918ef87fcb1e45c.exe
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Size
7.8MB
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MD5
a7613e5c267e7f270918ef87fcb1e45c
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SHA1
5ce965496ce1d9eea2d78548854bd486c11329d1
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SHA256
1b9c4646b8840ef2d2a24603ffa2efa695ee29002c0057d4ba558080f2c485b6
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SHA512
19888cf9937c44770dff47027ada8ef8eaa46cc849717ec0fb46bb32d07434b3b851efa708decd2fa18c07333cc247d35e03d71fbd386caea839bf44cdd7c0d2
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SSDEEP
196608:LIRcbH4jSteTGvCxwhzav1yo31CPwDv3uFZjeg2EeJUO9WLQkDxtw3iFFrS6XOf:LdHsfuCxwZ6v1CPwDv3uFteg2EeJUO9E
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 7 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\f7cf36c6\tor\libcrypto-1_1.dll acprotect C:\Users\Admin\AppData\Local\f7cf36c6\tor\libssl-1_1.dll acprotect C:\Users\Admin\AppData\Local\f7cf36c6\tor\zlib1.dll acprotect C:\Users\Admin\AppData\Local\f7cf36c6\tor\libwinpthread-1.dll acprotect C:\Users\Admin\AppData\Local\f7cf36c6\tor\libgcc_s_sjlj-1.dll acprotect C:\Users\Admin\AppData\Local\f7cf36c6\tor\libssp-0.dll acprotect C:\Users\Admin\AppData\Local\f7cf36c6\tor\libevent-2-1-6.dll acprotect -
Executes dropped EXE 2 IoCs
Processes:
windows32.exewindows32.exepid process 3088 windows32.exe 1016 windows32.exe -
Loads dropped DLL 16 IoCs
Processes:
windows32.exewindows32.exepid process 3088 windows32.exe 3088 windows32.exe 3088 windows32.exe 3088 windows32.exe 3088 windows32.exe 3088 windows32.exe 3088 windows32.exe 3088 windows32.exe 3088 windows32.exe 1016 windows32.exe 1016 windows32.exe 1016 windows32.exe 1016 windows32.exe 1016 windows32.exe 1016 windows32.exe 1016 windows32.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\f7cf36c6\tor\windows32.exe upx behavioral5/memory/3088-19-0x0000000000730000-0x0000000000B34000-memory.dmp upx C:\Users\Admin\AppData\Local\f7cf36c6\tor\libcrypto-1_1.dll upx C:\Users\Admin\AppData\Local\f7cf36c6\tor\libssl-1_1.dll upx C:\Users\Admin\AppData\Local\f7cf36c6\tor\zlib1.dll upx C:\Users\Admin\AppData\Local\f7cf36c6\tor\libwinpthread-1.dll upx behavioral5/memory/3088-33-0x00000000737C0000-0x0000000073809000-memory.dmp upx behavioral5/memory/3088-30-0x0000000073810000-0x00000000738D8000-memory.dmp upx C:\Users\Admin\AppData\Local\f7cf36c6\tor\libgcc_s_sjlj-1.dll upx behavioral5/memory/3088-34-0x00000000736F0000-0x00000000737BE000-memory.dmp upx C:\Users\Admin\AppData\Local\f7cf36c6\tor\libssp-0.dll upx C:\Users\Admin\AppData\Local\f7cf36c6\tor\libevent-2-1-6.dll upx behavioral5/memory/3088-35-0x00000000735B0000-0x00000000736BA000-memory.dmp upx behavioral5/memory/3088-36-0x0000000073520000-0x00000000735A8000-memory.dmp upx behavioral5/memory/3088-38-0x00000000736C0000-0x00000000736E4000-memory.dmp upx behavioral5/memory/3088-42-0x0000000073250000-0x000000007351F000-memory.dmp upx behavioral5/memory/3088-44-0x0000000000730000-0x0000000000B34000-memory.dmp upx behavioral5/memory/3088-45-0x0000000073810000-0x00000000738D8000-memory.dmp upx behavioral5/memory/3088-47-0x00000000736F0000-0x00000000737BE000-memory.dmp upx behavioral5/memory/3088-46-0x00000000737C0000-0x0000000073809000-memory.dmp upx behavioral5/memory/3088-49-0x00000000735B0000-0x00000000736BA000-memory.dmp upx behavioral5/memory/3088-50-0x0000000073520000-0x00000000735A8000-memory.dmp upx behavioral5/memory/3088-51-0x0000000073250000-0x000000007351F000-memory.dmp upx behavioral5/memory/3088-48-0x00000000736C0000-0x00000000736E4000-memory.dmp upx behavioral5/memory/3088-55-0x0000000000730000-0x0000000000B34000-memory.dmp upx behavioral5/memory/3088-56-0x0000000073810000-0x00000000738D8000-memory.dmp upx behavioral5/memory/3088-58-0x00000000736F0000-0x00000000737BE000-memory.dmp upx behavioral5/memory/3088-62-0x0000000073250000-0x000000007351F000-memory.dmp upx behavioral5/memory/3088-75-0x0000000000730000-0x0000000000B34000-memory.dmp upx behavioral5/memory/3088-100-0x0000000000730000-0x0000000000B34000-memory.dmp upx behavioral5/memory/3088-108-0x0000000000730000-0x0000000000B34000-memory.dmp upx behavioral5/memory/3088-124-0x0000000000730000-0x0000000000B34000-memory.dmp upx behavioral5/memory/3088-133-0x0000000000730000-0x0000000000B34000-memory.dmp upx behavioral5/memory/3088-141-0x0000000000730000-0x0000000000B34000-memory.dmp upx behavioral5/memory/1016-166-0x0000000073810000-0x00000000738D8000-memory.dmp upx behavioral5/memory/1016-168-0x00000000737C0000-0x0000000073809000-memory.dmp upx behavioral5/memory/1016-169-0x00000000736C0000-0x00000000736E4000-memory.dmp upx behavioral5/memory/1016-174-0x00000000735B0000-0x00000000736BA000-memory.dmp upx behavioral5/memory/1016-175-0x0000000073520000-0x00000000735A8000-memory.dmp upx behavioral5/memory/1016-176-0x0000000073250000-0x000000007351F000-memory.dmp upx behavioral5/memory/1016-167-0x00000000736F0000-0x00000000737BE000-memory.dmp upx behavioral5/memory/1016-199-0x0000000000730000-0x0000000000B34000-memory.dmp upx behavioral5/memory/1016-200-0x0000000073810000-0x00000000738D8000-memory.dmp upx behavioral5/memory/1016-201-0x00000000736F0000-0x00000000737BE000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
a7613e5c267e7f270918ef87fcb1e45c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-825860316-2493133627-3905166409-1000\Software\Microsoft\Windows\CurrentVersion\Run\win32 = "C:\\Users\\Admin\\AppData\\Local\\windir\\win32.exe\ue800" a7613e5c267e7f270918ef87fcb1e45c.exe Set value (str) \REGISTRY\USER\S-1-5-21-825860316-2493133627-3905166409-1000\Software\Microsoft\Windows\CurrentVersion\Run\win32 = "C:\\Users\\Admin\\AppData\\Local\\windir\\win32.exe" a7613e5c267e7f270918ef87fcb1e45c.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 11 myexternalip.com 14 myexternalip.com 21 myexternalip.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
Processes:
a7613e5c267e7f270918ef87fcb1e45c.exepid process 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: RenamesItself 21 IoCs
Processes:
a7613e5c267e7f270918ef87fcb1e45c.exepid process 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
a7613e5c267e7f270918ef87fcb1e45c.exedescription pid process Token: SeShutdownPrivilege 2364 a7613e5c267e7f270918ef87fcb1e45c.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
a7613e5c267e7f270918ef87fcb1e45c.exepid process 2364 a7613e5c267e7f270918ef87fcb1e45c.exe 2364 a7613e5c267e7f270918ef87fcb1e45c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
a7613e5c267e7f270918ef87fcb1e45c.exedescription pid process target process PID 2364 wrote to memory of 3088 2364 a7613e5c267e7f270918ef87fcb1e45c.exe windows32.exe PID 2364 wrote to memory of 3088 2364 a7613e5c267e7f270918ef87fcb1e45c.exe windows32.exe PID 2364 wrote to memory of 3088 2364 a7613e5c267e7f270918ef87fcb1e45c.exe windows32.exe PID 2364 wrote to memory of 1016 2364 a7613e5c267e7f270918ef87fcb1e45c.exe windows32.exe PID 2364 wrote to memory of 1016 2364 a7613e5c267e7f270918ef87fcb1e45c.exe windows32.exe PID 2364 wrote to memory of 1016 2364 a7613e5c267e7f270918ef87fcb1e45c.exe windows32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a7613e5c267e7f270918ef87fcb1e45c.exe"C:\Users\Admin\AppData\Local\Temp\a7613e5c267e7f270918ef87fcb1e45c.exe"1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Users\Admin\AppData\Local\f7cf36c6\tor\windows32.exe"C:\Users\Admin\AppData\Local\f7cf36c6\tor\windows32.exe" -f torrc2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3088
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C:\Users\Admin\AppData\Local\f7cf36c6\tor\windows32.exe"C:\Users\Admin\AppData\Local\f7cf36c6\tor\windows32.exe" -f torrc2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
20KB
MD545e0fe44b041a0f5e59df9cd74080285
SHA12f953516985cc92d334e9395d500feb919af652c
SHA256b0d77b49c8e63d147358c2a71925294289b15be1bc9e517f6f70696835766942
SHA512053ae58ed4b4778b6c4a22dbe8fc07b2219bff22b44ee15ea795c5ff9e25ad29a251320d4a9f79d68f6b6843ffd0f6d5474c7b9bd219b823191f862171198213
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Filesize
2.6MB
MD58c8bc1908db7ac54e1dd393839811249
SHA100d3e7d05a0abd7dd8d764a13a90d027c06382a4
SHA256b684399e3c8c9fe286edc15d8a6e14ea9ae7795ea7b5371865140e50fb678b3a
SHA512438d374c3c0ba6db776767906f8ee5cadc4e6042c26f2da4715049f697a7d63e7d178c0e191b8edf91ed1e401401f813c34cd66c0f0b9911826d0b913f3de6d4
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Filesize
20.2MB
MD5640bb98e47de71c0fce347b27a5f8b59
SHA11e0518fc49219c947b481b2d8d7f83d21bb47990
SHA25695b94d8ca55783e55f0b0e528f391cc7ff8e23e4461a70bd17f247091816b536
SHA512e865552fb6626c8cd18bdda1873251155315c6b15312a69b386cde826cb490346fc57dbaf3a2ab64d0f63d837c8c13d27d6ba4866767aeaa90dbc8036c3a73a0
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Filesize
8.4MB
MD530fda2b53d75450a2d712aed4599df72
SHA14ea3e58fe31f81c6aa6c43b2f32e6337ca540438
SHA256fbd58243bc78bd20d381146d5f867c9991bebb93ca8e4125c70daf4d58c897c7
SHA5121f55b3e3df33924a8ea88b33d82c8baf4b1580ec8876b4ec6dfc559a30ea72ccf3364baf67e64fd1bf27843659cdb1758c50a5a8bc8ed0fd8c79b156241774c9
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Filesize
232B
MD55d6646eedb888f1fd19d8e5d80461b7e
SHA12381b1f84e1f89b8915158bffefcb7bd2f7a9f1d
SHA2563f0b825e40fcfd4ec1ac6da258796fa640aea8ff32a3ee676dd0e7de98aa7c52
SHA51269010a12c8c5557a0fa2f667b5d98171344372218af4eac8e2bab562e118c0bef5353f23498f7c3228dc8a021309b00cf7af60086b693a7cec36636fced0b28a
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Filesize
1.7MB
MD52384a02c4a1f7ec481adde3a020607d3
SHA17e848d35a10bf9296c8fa41956a3daa777f86365
SHA256c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369
SHA5121ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503
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Filesize
366KB
MD5099983c13bade9554a3c17484e5481f1
SHA1a84e69ad9722f999252d59d0ed9a99901a60e564
SHA256b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838
SHA51289f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2
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Filesize
286KB
MD5b0d98f7157d972190fe0759d4368d320
SHA15715a533621a2b642aad9616e603c6907d80efc4
SHA2562922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5
SHA51241ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496
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Filesize
439KB
MD5c88826ac4bb879622e43ead5bdb95aeb
SHA187d29853649a86f0463bfd9ad887b85eedc21723
SHA256c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f
SHA512f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3
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Filesize
88KB
MD52c916456f503075f746c6ea649cf9539
SHA1fa1afc1f3d728c89b2e90e14ca7d88b599580a9d
SHA256cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6
SHA5121c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd
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Filesize
188KB
MD5d407cc6d79a08039a6f4b50539e560b8
SHA121171adbc176dc19aaa5e595cd2cd4bd1dfd0c71
SHA25692cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e
SHA512378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c
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Filesize
157B
MD5d55bed9415496532e5333ecaff1e308d
SHA1074dc0ad8d7b3f86679c321ec7377b3394659a52
SHA256aacbccc1d0337c77cb4408cd9556b8e31d3a0390ab2ab6b17ad3bf30f2c93850
SHA51269c492e32f75809ee12cf29a38d71435ec39e9327970dd7f108ce0599804008c0e3a462d244796a5592b587e1c8f1c1f78c2602d539f6d84bf33c18eb38276a5
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Filesize
973KB
MD55cfe61ff895c7daa889708665ef05d7b
SHA15e58efe30406243fbd58d4968b0492ddeef145f2
SHA256f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5
SHA51243b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da
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Filesize
52KB
MD5add33041af894b67fe34e1dc819b7eb6
SHA16db46eb021855a587c95479422adcc774a272eeb
SHA2568688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183
SHA512bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa