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Analysis
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max time kernel
116s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
01/06/2022, 16:06
Static task
static1
Behavioral task
behavioral1
Sample
ghjkl.exe
Resource
win7-20220414-en
General
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Target
ghjkl.exe
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Size
40KB
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MD5
0a7b32e75a01764ef5389a1d9e72ed63
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SHA1
871366f3573c3349e9dc7b67fef1ef575815c154
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SHA256
34ba222ef969f09ecca5506cbada7c346469a96a6af0cdd21146d4435196deda
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SHA512
f19a7d56a825b59d2841a4f10db940458d3255239e15bb9bbe1376e1fc47d4c97aef09d4e7ecd5a3a35fca44ec92edf60edd4a07ef1845d679c3bd4fc8fe43ba
Malware Config
Extracted
arkei
Default
Signatures
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suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
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suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 4840 Iioozcrscrdqdprjojgormars2.exe 2300 Iioozcrscrdqdprjojgormars2.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation ghjkl.exe Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation Iioozcrscrdqdprjojgormars2.exe Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation Iioozcrscrdqdprjojgormars2.exe -
Loads dropped DLL 5 IoCs
pid Process 3928 ghjkl.exe 3928 ghjkl.exe 3928 ghjkl.exe 2300 Iioozcrscrdqdprjojgormars2.exe 2300 Iioozcrscrdqdprjojgormars2.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4660 set thread context of 3928 4660 ghjkl.exe 93 PID 4840 set thread context of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Iioozcrscrdqdprjojgormars2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Iioozcrscrdqdprjojgormars2.exe -
Delays execution with timeout.exe 3 IoCs
pid Process 1536 timeout.exe 4128 timeout.exe 2408 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4660 ghjkl.exe 4660 ghjkl.exe 4840 Iioozcrscrdqdprjojgormars2.exe 4840 Iioozcrscrdqdprjojgormars2.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4660 ghjkl.exe Token: SeDebugPrivilege 4840 Iioozcrscrdqdprjojgormars2.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 4660 wrote to memory of 4868 4660 ghjkl.exe 81 PID 4660 wrote to memory of 4868 4660 ghjkl.exe 81 PID 4660 wrote to memory of 4868 4660 ghjkl.exe 81 PID 4868 wrote to memory of 1536 4868 cmd.exe 83 PID 4868 wrote to memory of 1536 4868 cmd.exe 83 PID 4868 wrote to memory of 1536 4868 cmd.exe 83 PID 4660 wrote to memory of 4840 4660 ghjkl.exe 92 PID 4660 wrote to memory of 4840 4660 ghjkl.exe 92 PID 4660 wrote to memory of 4840 4660 ghjkl.exe 92 PID 4660 wrote to memory of 3928 4660 ghjkl.exe 93 PID 4660 wrote to memory of 3928 4660 ghjkl.exe 93 PID 4660 wrote to memory of 3928 4660 ghjkl.exe 93 PID 4660 wrote to memory of 3928 4660 ghjkl.exe 93 PID 4660 wrote to memory of 3928 4660 ghjkl.exe 93 PID 4660 wrote to memory of 3928 4660 ghjkl.exe 93 PID 4660 wrote to memory of 3928 4660 ghjkl.exe 93 PID 4660 wrote to memory of 3928 4660 ghjkl.exe 93 PID 4660 wrote to memory of 3928 4660 ghjkl.exe 93 PID 4840 wrote to memory of 2544 4840 Iioozcrscrdqdprjojgormars2.exe 94 PID 4840 wrote to memory of 2544 4840 Iioozcrscrdqdprjojgormars2.exe 94 PID 4840 wrote to memory of 2544 4840 Iioozcrscrdqdprjojgormars2.exe 94 PID 2544 wrote to memory of 4128 2544 cmd.exe 96 PID 2544 wrote to memory of 4128 2544 cmd.exe 96 PID 2544 wrote to memory of 4128 2544 cmd.exe 96 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 4840 wrote to memory of 2300 4840 Iioozcrscrdqdprjojgormars2.exe 97 PID 2300 wrote to memory of 4372 2300 Iioozcrscrdqdprjojgormars2.exe 98 PID 2300 wrote to memory of 4372 2300 Iioozcrscrdqdprjojgormars2.exe 98 PID 2300 wrote to memory of 4372 2300 Iioozcrscrdqdprjojgormars2.exe 98 PID 4372 wrote to memory of 2408 4372 cmd.exe 100 PID 4372 wrote to memory of 2408 4372 cmd.exe 100 PID 4372 wrote to memory of 2408 4372 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\ghjkl.exe"C:\Users\Admin\AppData\Local\Temp\ghjkl.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 202⤵
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Windows\SysWOW64\timeout.exetimeout /t 203⤵
- Delays execution with timeout.exe
PID:1536
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C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe"C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 203⤵
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\timeout.exetimeout /t 204⤵
- Delays execution with timeout.exe
PID:4128
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C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exeC:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe3⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SysWOW64\timeout.exetimeout /t 55⤵
- Delays execution with timeout.exe
PID:2408
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C:\Users\Admin\AppData\Local\Temp\ghjkl.exeC:\Users\Admin\AppData\Local\Temp\ghjkl.exe2⤵
- Loads dropped DLL
PID:3928
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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Filesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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Filesize
612KB
MD5f07d9977430e762b563eaadc2b94bbfa
SHA1da0a05b2b8d269fb73558dfcf0ed5c167f6d3877
SHA2564191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862
SHA5126afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf
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Filesize
1.9MB
MD5f67d08e8c02574cbc2f1122c53bfb976
SHA16522992957e7e4d074947cad63189f308a80fcf2
SHA256c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e
SHA5122e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5
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Filesize
1.0MB
MD5dbf4f8dcefb8056dc6bae4b67ff810ce
SHA1bbac1dd8a07c6069415c04b62747d794736d0689
SHA25647b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68
SHA512b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1
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Filesize
40KB
MD5e8065b3712ff329829a9a9d191b684d7
SHA1be243f806044523da8cfbd65b0aa0057e24ee984
SHA2566b7698fc83039d223e81f3352ea03afdb4fa4c3042a92683298c7fa5f67d5a07
SHA51273641d298b07f51da61218babfec650d7a9de8c3ad6d10c81dd14cb1ac5d50e19624cfbde78f1c7af10698bfa76e83a79a751569839fabc547cb253c5bd3e0c0
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Filesize
40KB
MD5e8065b3712ff329829a9a9d191b684d7
SHA1be243f806044523da8cfbd65b0aa0057e24ee984
SHA2566b7698fc83039d223e81f3352ea03afdb4fa4c3042a92683298c7fa5f67d5a07
SHA51273641d298b07f51da61218babfec650d7a9de8c3ad6d10c81dd14cb1ac5d50e19624cfbde78f1c7af10698bfa76e83a79a751569839fabc547cb253c5bd3e0c0
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Filesize
40KB
MD5e8065b3712ff329829a9a9d191b684d7
SHA1be243f806044523da8cfbd65b0aa0057e24ee984
SHA2566b7698fc83039d223e81f3352ea03afdb4fa4c3042a92683298c7fa5f67d5a07
SHA51273641d298b07f51da61218babfec650d7a9de8c3ad6d10c81dd14cb1ac5d50e19624cfbde78f1c7af10698bfa76e83a79a751569839fabc547cb253c5bd3e0c0