Analysis
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max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2023 18:51
Behavioral task
behavioral1
Sample
35c69ab07ba4fd97cb23a0351d7293b6.exe
Resource
win7-20231215-en
General
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Target
35c69ab07ba4fd97cb23a0351d7293b6.exe
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Size
1.0MB
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MD5
35c69ab07ba4fd97cb23a0351d7293b6
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SHA1
65c3a14d30364f80ebda6cd1b83c6f9633291c35
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SHA256
f6d38b7dda48f70fabd8cf49cfb5191ef8bb4f351629c06ec102630d852da81c
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SHA512
072d19611df7a7807a4edff57befe8568132925b493cc7484684b59ef7cee31649eca13adafd3023f0a444241af6e571325880760b534990dfbac6a71bba1a70
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SSDEEP
24576:GE6pfUKdYS7gd1OAWUN3YWpLfoYZc4Up3GR6reDPdNyE:GE6pfUHSM1Oz20Gc+TdN
Malware Config
Signatures
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Detects Echelon Stealer payload 3 IoCs
resource yara_rule behavioral2/files/0x000400000001e716-10.dat family_echelon behavioral2/files/0x000400000001e716-16.dat family_echelon behavioral2/memory/3228-18-0x000002B18E990000-0x000002B18EB56000-memory.dmp family_echelon -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation 35c69ab07ba4fd97cb23a0351d7293b6.exe -
Executes dropped EXE 1 IoCs
pid Process 3228 Crypt.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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resource yara_rule behavioral2/memory/4148-0-0x00000000000A0000-0x00000000002A0000-memory.dmp vmprotect behavioral2/files/0x000400000001e716-10.dat vmprotect behavioral2/files/0x000400000001e716-16.dat vmprotect behavioral2/memory/3228-18-0x000002B18E990000-0x000002B18EB56000-memory.dmp vmprotect -
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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3228 Crypt.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3228 Crypt.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4148 wrote to memory of 3228 4148 35c69ab07ba4fd97cb23a0351d7293b6.exe 88 PID 4148 wrote to memory of 3228 4148 35c69ab07ba4fd97cb23a0351d7293b6.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\35c69ab07ba4fd97cb23a0351d7293b6.exe"C:\Users\Admin\AppData\Local\Temp\35c69ab07ba4fd97cb23a0351d7293b6.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Users\Admin\AppData\Local\Temp\Crypt.exe"C:\Users\Admin\AppData\Local\Temp\Crypt.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3228
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.0MB
MD50088abee944713ab183c41f3a2b07ea8
SHA1ea027d6de4b2feebfb35b4ebde88cdaab6d6e744
SHA2568ce4be0ab67c82e4f9023bbea4228430e56ef9ac133d377d75ecf2be75045111
SHA51298c88b5f4d4b30f922fbd219da691842649e7aa39eeac65a8b21ad0bdd9437ace260bdf744910690b3d004fda16f1f267f78c307741526e8ba6bde3558f4c64d
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Filesize
1.0MB
MD50bcece3e0d6876197a467f3ecc61bef6
SHA1d71a3441ea55c3c31fba1e1c2062a4c62c26ec08
SHA256ed357a9c6b426ae16d85dd5a2a39405d5dc1b9b06fcec93955354430dd11d26f
SHA512f7d4463b517b34bce519a606ede4d1a825762b2b3a6e62e6a1d3d1b3057f6049dbe93ad6bb0643edd9c3e800d3f766cdd10a93cffe108a2077bffd328c3a9a3c