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Analysis
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max time kernel
117s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
27/11/2023, 17:16
Static task
static1
Behavioral task
behavioral1
Sample
Tracking#INV-IV1905-029.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
Tracking#INV-IV1905-029.exe
Resource
win10v2004-20231023-en
General
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Target
Tracking#INV-IV1905-029.exe
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Size
681KB
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MD5
828636842c69b4e453f5735e77c89d36
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SHA1
b1c928ed1f9926fc64cee98be211a5e77c9551b5
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SHA256
1d2add4e6e6f86f45aa1a4b75c32e4efbf43bc117cc5b3a3927b4e548cf2732c
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SHA512
64b8f4ad28fd005936898e4fc244c8acab8257e04a033459a8b463fb5171a814ab20c7d5933577ef10562b8adba35eb4addd1060d1f18ce5448cfeec32cdfeb8
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SSDEEP
12288:OaiOid7BR6wTuHfH7eXkhH2iRr2nILMUrniYqW3WbKLrcPwp9euwjz8lIc2pvBpV:O1OipB+H+yR8VDvW3/cPwL3wj+i5pDmv
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
www.premier-bkk.com - Port:
587 - Username:
[email protected] - Password:
R2USmt6P - 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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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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org 6 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1964 set thread context of 2880 1964 Tracking#INV-IV1905-029.exe 32 -
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 2712 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1964 Tracking#INV-IV1905-029.exe 1964 Tracking#INV-IV1905-029.exe 2880 Tracking#INV-IV1905-029.exe 2880 Tracking#INV-IV1905-029.exe 1736 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1964 Tracking#INV-IV1905-029.exe Token: SeDebugPrivilege 2880 Tracking#INV-IV1905-029.exe Token: SeDebugPrivilege 1736 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2880 Tracking#INV-IV1905-029.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1964 wrote to memory of 1736 1964 Tracking#INV-IV1905-029.exe 28 PID 1964 wrote to memory of 1736 1964 Tracking#INV-IV1905-029.exe 28 PID 1964 wrote to memory of 1736 1964 Tracking#INV-IV1905-029.exe 28 PID 1964 wrote to memory of 1736 1964 Tracking#INV-IV1905-029.exe 28 PID 1964 wrote to memory of 2712 1964 Tracking#INV-IV1905-029.exe 30 PID 1964 wrote to memory of 2712 1964 Tracking#INV-IV1905-029.exe 30 PID 1964 wrote to memory of 2712 1964 Tracking#INV-IV1905-029.exe 30 PID 1964 wrote to memory of 2712 1964 Tracking#INV-IV1905-029.exe 30 PID 1964 wrote to memory of 2880 1964 Tracking#INV-IV1905-029.exe 32 PID 1964 wrote to memory of 2880 1964 Tracking#INV-IV1905-029.exe 32 PID 1964 wrote to memory of 2880 1964 Tracking#INV-IV1905-029.exe 32 PID 1964 wrote to memory of 2880 1964 Tracking#INV-IV1905-029.exe 32 PID 1964 wrote to memory of 2880 1964 Tracking#INV-IV1905-029.exe 32 PID 1964 wrote to memory of 2880 1964 Tracking#INV-IV1905-029.exe 32 PID 1964 wrote to memory of 2880 1964 Tracking#INV-IV1905-029.exe 32 PID 1964 wrote to memory of 2880 1964 Tracking#INV-IV1905-029.exe 32 PID 1964 wrote to memory of 2880 1964 Tracking#INV-IV1905-029.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\Tracking#INV-IV1905-029.exe"C:\Users\Admin\AppData\Local\Temp\Tracking#INV-IV1905-029.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rKfsquLB.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rKfsquLB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0C9.tmp"2⤵
- Creates scheduled task(s)
PID:2712
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C:\Users\Admin\AppData\Local\Temp\Tracking#INV-IV1905-029.exe"C:\Users\Admin\AppData\Local\Temp\Tracking#INV-IV1905-029.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2880
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58654185923d6057c3d2b4fadbbcc30bc
SHA15868e56a65883c7a11275d87bda34b914858e1c1
SHA256bbf2806ceff19ba78b7b9ac1717058833fdfb56b6a2dbe6c088fe660f95d7d25
SHA5129d7005d2b1797993949b07f71a184f8bcc4b3a3b174ac2a4d2b726ef41eaf2642600bdbd3bf3521cc04482e68a912edfa1968cb187e1164c487eadf8d643fcab