Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08/04/2024, 10:43
Static task
static1
Behavioral task
behavioral1
Sample
document.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
document.exe
Resource
win10v2004-20240226-en
General
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Target
document.exe
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Size
677KB
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MD5
16840755455640657de48aa81c0f5247
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SHA1
4b64f121ed06741bb1a36f023beb7a10e26d0b27
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SHA256
f064387ab391aff2b0d120df58a0a98e269843462aca86076a9cb113885bd2cc
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SHA512
ed171d8af700f10e63577297c2626a0de99e0099c2a2c58b45731e0255aa923ac5e0b66dff6df28ffdf05b8b7d4cdc403dc74782f9efa5bda6dfb80b377df38b
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SSDEEP
12288:aFIB1oVeon3X8hq7WyqJoZnglXHQAM8vj4sbROgnSu2yqfbXxko7EF:aFqo53Mhq7WyqOnK3QkROGbZqjHi
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.starmech.net - Port:
587 - Username:
[email protected] - Password:
nics123 - 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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation document.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zZudWq = "C:\\Users\\Admin\\AppData\\Roaming\\zZudWq\\zZudWq.exe" RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 20 api.ipify.org 21 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3972 set thread context of 4104 3972 document.exe 105 -
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.
pid Process 1996 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 3972 document.exe 2512 powershell.exe 2512 powershell.exe 4940 powershell.exe 4940 powershell.exe 3972 document.exe 3972 document.exe 3972 document.exe 3972 document.exe 3972 document.exe 3972 document.exe 3972 document.exe 3972 document.exe 3972 document.exe 4104 RegSvcs.exe 4104 RegSvcs.exe 4940 powershell.exe 2512 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3972 document.exe Token: SeDebugPrivilege 2512 powershell.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 4104 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4104 RegSvcs.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3972 wrote to memory of 4940 3972 document.exe 96 PID 3972 wrote to memory of 4940 3972 document.exe 96 PID 3972 wrote to memory of 4940 3972 document.exe 96 PID 3972 wrote to memory of 2512 3972 document.exe 98 PID 3972 wrote to memory of 2512 3972 document.exe 98 PID 3972 wrote to memory of 2512 3972 document.exe 98 PID 3972 wrote to memory of 1996 3972 document.exe 100 PID 3972 wrote to memory of 1996 3972 document.exe 100 PID 3972 wrote to memory of 1996 3972 document.exe 100 PID 3972 wrote to memory of 4552 3972 document.exe 102 PID 3972 wrote to memory of 4552 3972 document.exe 102 PID 3972 wrote to memory of 4552 3972 document.exe 102 PID 3972 wrote to memory of 2040 3972 document.exe 103 PID 3972 wrote to memory of 2040 3972 document.exe 103 PID 3972 wrote to memory of 2040 3972 document.exe 103 PID 3972 wrote to memory of 2232 3972 document.exe 104 PID 3972 wrote to memory of 2232 3972 document.exe 104 PID 3972 wrote to memory of 2232 3972 document.exe 104 PID 3972 wrote to memory of 4104 3972 document.exe 105 PID 3972 wrote to memory of 4104 3972 document.exe 105 PID 3972 wrote to memory of 4104 3972 document.exe 105 PID 3972 wrote to memory of 4104 3972 document.exe 105 PID 3972 wrote to memory of 4104 3972 document.exe 105 PID 3972 wrote to memory of 4104 3972 document.exe 105 PID 3972 wrote to memory of 4104 3972 document.exe 105 PID 3972 wrote to memory of 4104 3972 document.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\document.exe"C:\Users\Admin\AppData\Local\Temp\document.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3972 -
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\document.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4940
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qlcToiWJjUhr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2512
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qlcToiWJjUhr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA066.tmp"2⤵
- Creates scheduled task(s)
PID:1996
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:4552
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2040
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2232
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4104
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD53159a2c4ba2f378b7e7ec9d7380b893e
SHA117f1f8fb2d0e9d43a2fddaa5a054c362ed3ba474
SHA256d980f75f231efba9f2dc558efc5cedde6770a84a4e3f29f294517117212423b5
SHA512e216664c700d970a7cb78fed387e3c6cb74c90a87f32794cd0863476dfd13ea57d9f1ec9521a4206a12df37fc73d7c3afb7e0160b1e1feb6bacf69e6a1b42fcf
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD56c2cdf081d2d4c676fabbeba807ea178
SHA164325e64fa4f4183f4f95bbfd7c49da53317b0b9
SHA256ce96742c9f3ae6cb79075bcb817135819f9e14c47394d7d85adc0d73b5925884
SHA51299c4d474aac222133d9f3650493a974679a067f6b9ffe092a025d65fa8ef7ba9a8f7506bd6c86db0e6b3df4f2fd51cf5a915aff24372a8f48133ed00ef5e8090