Analysis
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max time kernel
151s -
max time network
144s -
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 01:04
Static task
static1
Behavioral task
behavioral1
Sample
Commerce registration-172301539 + Pro-Forma Invoice.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Commerce registration-172301539 + Pro-Forma Invoice.exe
Resource
win10v2004-20231127-en
General
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Target
Commerce registration-172301539 + Pro-Forma Invoice.exe
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Size
857KB
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MD5
64baca6856ba84fe379eb4d720859edc
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SHA1
a234caa5425fcbc4e783dd00722156e533bd6def
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SHA256
ab3eb849490834407657e205832591cfa3c3504ed9373bf53396015d62b9e549
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SHA512
53449f2ed2e397adadb3a48d561c864734961c40392c2f8f3a8ed6c84afd6db8008fc633405a065cc07a51f8396015f7bb8b3b7c1c4cb8aecbbc1a588b5d53db
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SSDEEP
12288:DO5nF8pREGHTbSGWJ7Usocar3S6KMvbPt1w6+BIe4+YnKc5lCzXwPH2gYDMID:Km39s2LwMzPtNPLPe8H6MI
Malware Config
Extracted
Protocol: smtp- Host:
mail.issltd.org - Port:
587 - Username:
[email protected] - Password:
iss123
Extracted
agenttesla
Protocol: smtp- Host:
mail.issltd.org - Port:
587 - Username:
[email protected] - Password:
iss123 - 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:
Commerce registration-172301539 + Pro-Forma Invoice.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Control Panel\International\Geo\Nation Commerce registration-172301539 + Pro-Forma Invoice.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 62 api.ipify.org 63 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Commerce registration-172301539 + Pro-Forma Invoice.exedescription pid process target process PID 4736 set thread context of 3532 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Commerce registration-172301539 + Pro-Forma Invoice.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:
Commerce registration-172301539 + Pro-Forma Invoice.exepowershell.exeCommerce registration-172301539 + Pro-Forma Invoice.exepid process 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe 2504 powershell.exe 3532 Commerce registration-172301539 + Pro-Forma Invoice.exe 3532 Commerce registration-172301539 + Pro-Forma Invoice.exe 2504 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Commerce registration-172301539 + Pro-Forma Invoice.exepowershell.exeCommerce registration-172301539 + Pro-Forma Invoice.exedescription pid process Token: SeDebugPrivilege 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 3532 Commerce registration-172301539 + Pro-Forma Invoice.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
Commerce registration-172301539 + Pro-Forma Invoice.exedescription pid process target process PID 4736 wrote to memory of 2504 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe powershell.exe PID 4736 wrote to memory of 2504 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe powershell.exe PID 4736 wrote to memory of 2504 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe powershell.exe PID 4736 wrote to memory of 3112 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe schtasks.exe PID 4736 wrote to memory of 3112 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe schtasks.exe PID 4736 wrote to memory of 3112 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe schtasks.exe PID 4736 wrote to memory of 3532 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Commerce registration-172301539 + Pro-Forma Invoice.exe PID 4736 wrote to memory of 3532 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Commerce registration-172301539 + Pro-Forma Invoice.exe PID 4736 wrote to memory of 3532 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Commerce registration-172301539 + Pro-Forma Invoice.exe PID 4736 wrote to memory of 3532 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Commerce registration-172301539 + Pro-Forma Invoice.exe PID 4736 wrote to memory of 3532 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Commerce registration-172301539 + Pro-Forma Invoice.exe PID 4736 wrote to memory of 3532 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Commerce registration-172301539 + Pro-Forma Invoice.exe PID 4736 wrote to memory of 3532 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Commerce registration-172301539 + Pro-Forma Invoice.exe PID 4736 wrote to memory of 3532 4736 Commerce registration-172301539 + Pro-Forma Invoice.exe Commerce registration-172301539 + Pro-Forma Invoice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Commerce registration-172301539 + Pro-Forma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Commerce registration-172301539 + Pro-Forma Invoice.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sAyncmK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2504 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sAyncmK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD77F.tmp"2⤵
- Creates scheduled task(s)
PID:3112 -
C:\Users\Admin\AppData\Local\Temp\Commerce registration-172301539 + Pro-Forma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Commerce registration-172301539 + Pro-Forma Invoice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3532
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\Commerce registration-172301539 + Pro-Forma Invoice.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5d3c77177e30b0f6c7bbc9dd8e34cd437
SHA1c061837b23b74c33b81436656376f2743ec06f1e
SHA256564dc7570e52b8a6a6ca6df565e644f0bd8ca4186fbaba5dd35244d16429ed6b
SHA51260eba311501365c1694cf2077acc508550468d03b335db31a778a566785cc18d79a63cfa8a37587bbadb4ce10c8f40639f20a44cb7b3b5ffec3c0c69a695ee77