Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
24/05/2024, 01:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
OSE - PO & FCST - ???-LT24052303183991-01.exe
Resource
win7-20240221-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
OSE - PO & FCST - ???-LT24052303183991-01.exe
Resource
win10v2004-20240426-en
11 signatures
150 seconds
General
- Target OSE - PO & FCST - ???-LT24052303183991-01.exe
- Size 15.0MB
- Sample240524-bth7zagb7w
- SHA256 1dd45a1200496700a9a9e138a0ecf1625c981855159ceb8624fe69b8bcfe3bb5
- MD5 4cbc670c79dddc759b63ded7f36a80e1
- SHA1 7bf50c94959846e1c7caf521e697ee2367aabf01
- SHA512 6bc15e6acbfdcf09e5eefc1fcc02e997ae81c2b9bcbf02df78ba6c3db8c8620130880fa2d6e49a1b3a9e7df2b4f5e428d8cb4326e6679d9e0639dc40ce099535
- SSDEEP 24576:y6nVMk+HIj90cmvFMN8O6TXQRfAGWEUAxqnRAIsJumwocd5xShmC+a+OPj:xVz7tWqKTXQiTpsJr/Qx8ec
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
remcos
Botnet
-
RemoteHost
C2
-
b64c611.ddnss.eu:3154
Attributes
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
uytrs.exe
-
copy_folder
iu7y6tr
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
true
-
install_flag
false
-
keylog_crypt
true
-
keylog_file
u8tus.dat
-
keylog_flag
false
-
keylog_folder
87y6trf
-
mouse_option
false
-
mutex
OIUGH6-BFBAXD
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation OSE - PO & FCST - ___-LT24052303183991-01.exe Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation WScript.exe - Executes dropped EXE 2 IoCs
pid Process 1864 ttujxo.dll 4324 RegSvcs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\nueb\\TTUJXO~1.EXE C:\\Users\\Admin\\AppData\\Roaming\\nueb\\HGHNVJ~1.MP3" ttujxo.dll - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1864 set thread context of 4324 1864 ttujxo.dll 103 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 4788 ipconfig.exe 964 ipconfig.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings OSE - PO & FCST - ___-LT24052303183991-01.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll 1864 ttujxo.dll - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4324 RegSvcs.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1136 wrote to memory of 5052 1136 OSE - PO & FCST - ___-LT24052303183991-01.exe 83 PID 1136 wrote to memory of 5052 1136 OSE - PO & FCST - ___-LT24052303183991-01.exe 83 PID 1136 wrote to memory of 5052 1136 OSE - PO & FCST - ___-LT24052303183991-01.exe 83 PID 5052 wrote to memory of 4672 5052 WScript.exe 95 PID 5052 wrote to memory of 4672 5052 WScript.exe 95 PID 5052 wrote to memory of 4672 5052 WScript.exe 95 PID 5052 wrote to memory of 4236 5052 WScript.exe 97 PID 5052 wrote to memory of 4236 5052 WScript.exe 97 PID 5052 wrote to memory of 4236 5052 WScript.exe 97 PID 4672 wrote to memory of 4788 4672 cmd.exe 99 PID 4672 wrote to memory of 4788 4672 cmd.exe 99 PID 4672 wrote to memory of 4788 4672 cmd.exe 99 PID 4236 wrote to memory of 1864 4236 cmd.exe 100 PID 4236 wrote to memory of 1864 4236 cmd.exe 100 PID 4236 wrote to memory of 1864 4236 cmd.exe 100 PID 1864 wrote to memory of 4324 1864 ttujxo.dll 103 PID 1864 wrote to memory of 4324 1864 ttujxo.dll 103 PID 1864 wrote to memory of 4324 1864 ttujxo.dll 103 PID 1864 wrote to memory of 4324 1864 ttujxo.dll 103 PID 5052 wrote to memory of 4612 5052 WScript.exe 104 PID 5052 wrote to memory of 4612 5052 WScript.exe 104 PID 5052 wrote to memory of 4612 5052 WScript.exe 104 PID 4612 wrote to memory of 964 4612 cmd.exe 106 PID 4612 wrote to memory of 964 4612 cmd.exe 106 PID 4612 wrote to memory of 964 4612 cmd.exe 106 PID 1864 wrote to memory of 4324 1864 ttujxo.dll 103
Processes
-
C:\Users\Admin\AppData\Local\Temp\OSE - PO & FCST - ___-LT24052303183991-01.exe"C:\Users\Admin\AppData\Local\Temp\OSE - PO & FCST - ___-LT24052303183991-01.exe"1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\dvlv.vbe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release3⤵
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /release4⤵
- Gathers network information
PID:4788
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ttujxo.dll hghnvjmhol.mp33⤵
- Suspicious use of WriteProcessMemory
PID:4236 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\ttujxo.dllttujxo.dll hghnvjmhol.mp34⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1864 -
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4324
-
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /renew3⤵
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /renew4⤵
- Gathers network information
PID:964
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\87y6trf\u8tus.dat
- Size 144B
- SHA256 db25cc83bf60a813cc2cef52b293c42077c5f3d204ab58a09f8fb6acec2e8526
- MD5 73e56f9511ff5e60e57038806c511d82
- SHA1 12ef16edb2dc029bc04e15070fa127c9dba0e86f
- SHA512 37912c03923dc46bd33352d1bb1521b9f0e5e7ff377c4a50c4d909de8859d35db8b55b3a640584bc7eec7840cf99278548c7cb6250eacf30da4915800dcceb93
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\adkwpjv.jpg
- Size 554B
- SHA256 7d11a8485973e0bc566c1db8fdd856c330912875f6b5ab926055566442d3aaa8
- MD5 ddbce26710f45a539e8601e0a447934f
- SHA1 b3d2be9eaaa912cc3ade2fcbab287ae8b8c6b46c
- SHA512 cf5f5ba1909ec80e016e08d431bd6e0729a6c7730571d1658f4359f593899e43f014123199b66e6cca01799bd08d8cb5107ac1c5fb8f69983122339e187dd9e2
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\akxhkp.xl
- Size 586B
- SHA256 30bc8aee625a4fc70fb99eb0fe99aae51101a78fc1d7ce6cf88b9ad8b974225c
- MD5 1470895a9833ec3d6efcbf513344c2f1
- SHA1 14f065147f0a071e8359372256dfc8fe6036c102
- SHA512 686c5e2c276ccf80dd5211dd3338964368ae3e74b23b258841c5646cf31157cbbc8a7b8e23f17f8430d312076f12b51493529255c5d4f5acba2700def1690a40
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ccfuehe.txt
- Size 548B
- SHA256 ea4fc55e495c8888425bd5d58ca715629bc6394cadec75aa4584c38f5639118c
- MD5 c302f688094bc56571eb12370fcf141c
- SHA1 2a8c53ade2a08aafdb9494120ea9b4fd700ad094
- SHA512 3c977e3aab36ed2713234de9683a98d53fc03d8462812d642ef82c7eac61896aba233e1d3f8464bd6366a7875cb24c450b853c341253e15e47c454dd320ea4cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\dqvn.ics
- Size 882KB
- SHA256 b7a631d237298b76fc459dc3046bd310a3e9dcb57112caf478b08592a9e0d143
- MD5 e171c9f38793118e7905b2f02689d3de
- SHA1 74536f29cce7dbb80c54f885edb260847185a8ae
- SHA512 d5d6041babb8ff290485ebd43e01e39fd21014ebd77ec5114a687cdf7d70179136cab304e76780ffd7971303343f868442d25f453e8674744fc8a0cb4a951961
- SSDEEP 6144:JxBtZtXoa8pIiYaS1F32+pb3HVJYG+vCgdcNoMYeUMDm03jIok89qIZZfAvfIxr6:4Dg9ZKKgdxkI+MIxrAbh8CnVlas
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\dvlv.vbe
- Size 84KB
- SHA256 b0ecd1e6ab42c8c2872837818659757d25a45759d94233f8bb792a460bd779e7
- MD5 6e08612ee9e89454fcbf9cd29aaed06c
- SHA1 8c85626b1a89d18ed1379beb5ac8456ab97bb3c3
- SHA512 419a8dfec5f90977e987a40fc09e6fce25e54f508cc1d4abd60d73f35e054f53d58084e70daea2c44b42b1731b7446b7c74470089ff703268d9fe07d245f9bf4
- SSDEEP 96:F888888888888888tHq888888888888888h888888888888888B888888888888o:0zasGBYt
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\eaxutnil.exe
- Size 625B
- SHA256 e84a46926dc23fc9ae49b564e0350187faa1233abdda99fc16c050a224950b31
- MD5 93066def3dc388de942d3f7315ff6a1f
- SHA1 75b4fb0563252d95d0997832de5230ffeaa81e83
- SHA512 044ce13ade56ec4dc7c170a0c16356467df7e79091b2f69a405cb23fd3c1aaea08cb5fbf336b3da86b00f20fadcbcd25949981c0a5055b5fc7bf7e9e4e952b1a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\hhhsam.icm
- Size 560B
- SHA256 90ca364fa9f567cf377238ed00778fc89bd4e6edda37d1bfc08359152d523ce1
- MD5 52601f432c71a83460703926660dd847
- SHA1 bf28d10b021c961ccccc160eafad3304669d12c9
- SHA512 8945b1081cda9074427a535f9665c6f48a784d9ab66ece34264c9dae52cf901531d1261149ecaf611a07d3481f941a8b2f804db6768480d17c2cd5e0b313c672
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ixvwpug.xls
- Size 529B
- SHA256 82a02b6a19ef473dd8658f1ac296972f384c40cdb9d7066bb59d6896e7ca4faf
- MD5 054d4a1745a1bdff1309309b754944cf
- SHA1 c3e865f3df5bac877d9d07ecfbe12123fc2a7f43
- SHA512 5f2f5b328e0c6446655b74babbfbc4da98bf0bddcb779092d95fc2b846ead1d2ae51257b8e0b8c6815f481911e7732dff9b8a9a9bbd1e8eb396427b635be524a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\kausl.msc
- Size 550B
- SHA256 5dfcd6be5cbd28f62c03acfd5e3b5b556887826da98fea9ad4527577a4fa0ed4
- MD5 83e1f0086b62a6427528aee6aac20490
- SHA1 555581c05b82c5b5c23176e009a71833ca92f94d
- SHA512 b1ccf1a71573770202b3ad647baa23562319f22a093d00da316613c317df8fc79c5de089c264c2649eec9ce984c9ae1ad807ad1aca3901d0bb3b354406ab6764
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\kpklatl.pdf
- Size 596B
- SHA256 b214487887bfec30ccf89d31c79c9e8a4b997b6f128d5f35d7a0b5d41475de42
- MD5 218c5d5d78f00bed6d7a1796a3dacd50
- SHA1 2425e26f1285032c1eb753c38c8e4184e11c5f4e
- SHA512 6e519e25cb5ce0f9c4e4a2174f4fb438264bda087116865db2e5bd9e9538d8a91d37f1935fb2316d574063a35f13d5006e242f288f449e445c3d6f6d3626fe7e
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\psud.jpg
- Size 649B
- SHA256 beedd19808df570ba564bb5eba0ce432346d23285f854523914b234c9879f810
- MD5 68057a3ababb53cc194305aafb678316
- SHA1 6a9d23fd3b1d7ca21a1f73ae10e79d526e53ae9e
- SHA512 0d8fe180c407e3c5866cf2c4448cbafc734e047deba2943e0491f81b730a830828669ed859dfe43b82145b6769cfbdc52aba1d882b5ea3a4978f94ac9ed5e691
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\pthiwoamn.bin
- Size 34KB
- SHA256 0abedc60fda83fcad7c3b8d40e8cc6159b8bb033ea9dc0a1e24ee8d5118407c0
- MD5 bb04e48350eb8c97b835ef2bf8310ca1
- SHA1 a9a8364c25d2ec7bbc9700543ac4361abad1bacf
- SHA512 956e72c43a58da659a4c840c7ba1052e689ea225528c586d0ee0c8b43807280ff8f149c7ce531ec25d5d95a4a434618ff4e3e6b5043a0db234112cde4ba31ba1
- SSDEEP 768:Rm2Ar5rDNLizmf5YCZWLYcndjWHiwqbhtaM+tB1WUqFIosO:RqrugKCZWLYck8zaM+jAFIrO
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\pthiwoamn.bin
- Size 34KB
- SHA256 db755fda24ff2b5cd7fbd953dc523298d0c4cf4029b4c3efc27559ccb8f37f83
- MD5 197d5b4cf8de9940b5fdcad912ab949d
- SHA1 24ba8d11bfc96821a4fcbf56e6b6713ad0c79ac7
- SHA512 b23a5d38340a732be91cc0d2faf8dad8bd3f8abf868e5801c3bcdf90bcc376c53ab8d254efebf165ba5f5b840db5e01123e8d544cd86ce5faa6a43436d8ce6e1
- SSDEEP 768:Rm2Ar5rDNLizmf5YCZWLYcndjWHiwqbhtaM+tB1WaqFIosP:RqrugKCZWLYck8zaM+jaFIrP
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\qurddcxnm.dll
- Size 620B
- SHA256 152aef9576a636e3e816316af35335e9ea7975578663ef09abd9a92151c89cf7
- MD5 3c5bcc0ec42d859aa04884c22acbf316
- SHA1 8f17c190b9499d184f2d275ebe1e9c5fbdde77c8
- SHA512 06fcbff1552ee01480bdb989edad0a8f6e8e66a7e7d45d64a5b033b6dd1f7c0ba9006f7f59db1034a78d4006eba393ecdf349d6b29c3d7024c801a586ccb5c00
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\tlifisl.docx
- Size 646B
- SHA256 14ea61c83d53e06f750ddcfd89edf54e17a0d91f8436b801f79892172785db92
- MD5 de8d472a3d4669f06d925922a1634ac7
- SHA1 a7ad5663c99c54a3f4cd12a82568e91f8be75d44
- SHA512 cd2fc7b4363f8b38af60afa70dad82612d49f441d3442fcc24096429f4a68316fbbda993c0277f22ebfc052e698e61ec9c3ef0290eca8651d2fd73c85ce46236
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ttujxo.dll
- Size 872KB
- SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
- MD5 c56b5f0201a3b3de53e561fe76912bfd
- SHA1 2a4062e10a5de813f5688221dbeb3f3ff33eb417
- SHA512 195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c
- SSDEEP 12288:6pVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:6T3E53Myyzl0hMf1tr7Caw8M01
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\tufkdrjntj.mp2
- Size 642B
- SHA256 528166f38e46858c3c46e2fcffb2baccc77b558799e83acc0d598d36225c8a57
- MD5 28a66e58594a445f3efbe8c8e4010ee5
- SHA1 cd8822bcc7bce5be52bb97b344adaeb4eca43ae7
- SHA512 b082203870dacd4b710c9495e4618e2633c6e3460399e61127f25432c05ccc9a553d082536ef88c222f2d1673d572d6caad9c5934a6c70db94e7bd3696f2342f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\twklhta.txt
- Size 507B
- SHA256 024718705fce4644cb98c19687383729ecef949e88576a6421a1d77179fce678
- MD5 de7ca529b6fea56a907eca2d3e748245
- SHA1 51078d21b189329107fc46778a841574c88257f6
- SHA512 c7c65617025f0f191e7b9e475f849cedd0ff1168362c6fc011b105d6d188ba59b520ea6b7a6a9fafc71a983f70ff882b3b766d65addb3e3078056ffe1772e6f6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\vkhuddrb.ppt
- Size 503B
- SHA256 f94bdca1bc2f36f20a4731a980779bc85fb9f9e022bbedcb6b85ae12fcbd851d
- MD5 18a894cfb8cbc95827c54524ebbdb5bd
- SHA1 9eb1e8edc274224fabc9b9828beba114d3442594
- SHA512 7f5e62c8fde6b1728754246cc37b8e97d0f5ef553d5b10e695bed292607354a09300c8dfc5a5acc077b74d93715546d3f38e249a5245cd6ec81b06649770ce25
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\wrprwamnt.msc
- Size 547B
- SHA256 3508682f67971cd41747e16734c952fb223875284dcbec53801b26346abfcea5
- MD5 d6f3f07c28fc3423a098297f1b7987eb
- SHA1 214c4154bbac33f603ec27ad2dc059212fa06f14
- SHA512 9410805203005d3964f4c9ba8099477a7451da4663a3e5ba99b2a9c396aa2464eb6050fba722f0786be7e90fe97e806bf51b25c381b45870c217021f82088a06
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
- Size 44KB
- SHA256 2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390
- MD5 9d352bc46709f0cb5ec974633a0c3c94
- SHA1 1969771b2f022f9a86d77ac4d4d239becdf08d07
- SHA512 13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b
- SSDEEP 768:4BbSoy+SdIBf0k2dsjYg6Iq8S1GYqWH8BR:noOIBf0ddsjY/ZGyc7
- MD5 SHA1 SHA512 SSDEEP