Analysis
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max time kernel
143s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
12-12-2023 14:43
Static task
static1
Behavioral task
behavioral1
Sample
rPO(1437).exe
Resource
win7-20231023-en
General
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Target
rPO(1437).exe
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Size
618KB
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MD5
41c91c8f3a9d75efccd89372ecff39db
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SHA1
325e0b574a81dd05673b1087e8ee93110d5a505d
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SHA256
4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639
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SHA512
d8b3fc60ebefa133a67eb27b46c532145190d27b26341ca4a203d2d4559d8160a6dafb178cde53a9d9cb68b63631fe097e704d897e87ee44be7328d2831d9c68
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SSDEEP
12288:2Z3IU8S6eUdT3AhlizaWgPxyb5VywPmSASteQgsjyGDrID12EsYRsnnIKG:2RItSAdTZrVywIuryx1h
Malware Config
Extracted
Protocol: smtp- Host:
mail.abi0expertise.com - Port:
587 - Username:
[email protected] - Password:
Najwa1949!
Extracted
agenttesla
Protocol: smtp- Host:
mail.abi0expertise.com - Port:
587 - Username:
[email protected] - Password:
Najwa1949! - 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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Detect ZGRat V1 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2440-6-0x0000000005640000-0x0000000005658000-memory.dmp family_zgrat_v1 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
rPO(1437).exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\Control Panel\International\Geo\Nation rPO(1437).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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Suspicious use of SetThreadContext 1 IoCs
Processes:
rPO(1437).exedescription pid process target process PID 2440 set thread context of 3220 2440 rPO(1437).exe rPO(1437).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 6 IoCs
Processes:
rPO(1437).exepowershell.exepid process 3220 rPO(1437).exe 3220 rPO(1437).exe 3220 rPO(1437).exe 1536 powershell.exe 1536 powershell.exe 1536 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rPO(1437).exepowershell.exedescription pid process Token: SeDebugPrivilege 3220 rPO(1437).exe Token: SeDebugPrivilege 1536 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
rPO(1437).exedescription pid process target process PID 2440 wrote to memory of 1536 2440 rPO(1437).exe powershell.exe PID 2440 wrote to memory of 1536 2440 rPO(1437).exe powershell.exe PID 2440 wrote to memory of 1536 2440 rPO(1437).exe powershell.exe PID 2440 wrote to memory of 4596 2440 rPO(1437).exe schtasks.exe PID 2440 wrote to memory of 4596 2440 rPO(1437).exe schtasks.exe PID 2440 wrote to memory of 4596 2440 rPO(1437).exe schtasks.exe PID 2440 wrote to memory of 3220 2440 rPO(1437).exe rPO(1437).exe PID 2440 wrote to memory of 3220 2440 rPO(1437).exe rPO(1437).exe PID 2440 wrote to memory of 3220 2440 rPO(1437).exe rPO(1437).exe PID 2440 wrote to memory of 3220 2440 rPO(1437).exe rPO(1437).exe PID 2440 wrote to memory of 3220 2440 rPO(1437).exe rPO(1437).exe PID 2440 wrote to memory of 3220 2440 rPO(1437).exe rPO(1437).exe PID 2440 wrote to memory of 3220 2440 rPO(1437).exe rPO(1437).exe PID 2440 wrote to memory of 3220 2440 rPO(1437).exe rPO(1437).exe
Processes
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C:\Users\Admin\AppData\Local\Temp\rPO(1437).exe"C:\Users\Admin\AppData\Local\Temp\rPO(1437).exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LTDKGtbYzHjDN.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1536 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LTDKGtbYzHjDN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp148D.tmp"2⤵
- Creates scheduled task(s)
PID:4596 -
C:\Users\Admin\AppData\Local\Temp\rPO(1437).exe"C:\Users\Admin\AppData\Local\Temp\rPO(1437).exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3220
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD573374edd31c7c2df1e6bf2f21c3d420a
SHA1c759b8ac09deb86a9358e9bf96695984717295ab
SHA25668db58dbe4ed88bd0fe3046feb60e5e66430d7b0109c9334107da89c42749f9a
SHA51224ecddc01430b76753f1b70f45fda31839e150c9546db63eb318989e0e41ece2a62fb296ade62b3255aba2185908e61b45f04ed5de5c83f8b0a7d14c7e44b74b