Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2023 14:32
Static task
static1
Behavioral task
behavioral1
Sample
4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe
Resource
win10v2004-20231127-en
General
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Target
4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe
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Size
778KB
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MD5
f98f8ddef570e6855e92f5bedd679e0a
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SHA1
8d4c741006e49809485b16d3210299e7839d1350
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SHA256
4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9
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SHA512
5ef7c79c3174df69a2803e95a315194fb1fcd979eca9124203f37cc80d0cb5efd531ad028df8a691239650ee73780d02efbe503fa6ce354d1f0d68d41da17d98
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SSDEEP
12288:RijW1uYU0WXGcZI2P/GLC0+i+Gxc/qMNldhRT82kNN/MhH37ixkceykcTcro4QES:muK/GLCfGxc/DN9WRghHLIMhdf
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.aci-bd.com - Port:
587 - Username:
[email protected] - Password:
edab1234 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Control Panel\International\Geo\Nation 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 47 api.ipify.org 48 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exedescription pid process target process PID 2712 set thread context of 2604 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
powershell.exepowershell.exe4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exepid process 1948 powershell.exe 1948 powershell.exe 1688 powershell.exe 1688 powershell.exe 2604 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 2604 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 2604 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 1688 powershell.exe 1948 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exe4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exedescription pid process Token: SeDebugPrivilege 1688 powershell.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 2604 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exepid process 2604 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exedescription pid process target process PID 2712 wrote to memory of 1948 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe powershell.exe PID 2712 wrote to memory of 1948 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe powershell.exe PID 2712 wrote to memory of 1948 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe powershell.exe PID 2712 wrote to memory of 1688 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe powershell.exe PID 2712 wrote to memory of 1688 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe powershell.exe PID 2712 wrote to memory of 1688 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe powershell.exe PID 2712 wrote to memory of 2624 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe schtasks.exe PID 2712 wrote to memory of 2624 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe schtasks.exe PID 2712 wrote to memory of 2624 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe schtasks.exe PID 2712 wrote to memory of 2604 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe PID 2712 wrote to memory of 2604 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe PID 2712 wrote to memory of 2604 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe PID 2712 wrote to memory of 2604 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe PID 2712 wrote to memory of 2604 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe PID 2712 wrote to memory of 2604 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe PID 2712 wrote to memory of 2604 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe PID 2712 wrote to memory of 2604 2712 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe 4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe"C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1948 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AEERnFW.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AEERnFW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDED7.tmp"2⤵
- Creates scheduled task(s)
PID:2624 -
C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe"C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2604
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD51e1fa4e5dc3cfdbc1218802ed883fed3
SHA17e045ad841ec9f57ce8a5ec200c31c3f5965915e
SHA256dfc21076909a382b6697e2dc050de5b96a8bc3dbdd43fb0be0d4a6a9a1d1a21e
SHA512f944e15a915d6a70cab03b58c71453b9366384bcb8322de6372a0f2b7bb6edc47198ddde79239e10298d553171f68e12577fe39f297c5254bc16be6b17d03ad6
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5dbd494419812bf54f34d40c10c099cd8
SHA1abca9b3e8334ea8c8799be16e069fc3289df1b01
SHA2561f13faaab128e469c3f1e22ab4639855c8e49100da9f72df7e183a17ad05cf01
SHA512b8dfb806370a4e42f650833042c537d3b1e2348a2533dd56c345f8bd8e25b8c0720e76332def5290e9e8c4d8d988038c146bd41612624939366f74fcd2e29e52