Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7 -
submitted
12-07-2020 08:08
Static task
static1
Behavioral task
behavioral1
Sample
REV- PI 1696195.exe
Resource
win7
Behavioral task
behavioral2
Sample
REV- PI 1696195.exe
Resource
win10
General
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Target
REV- PI 1696195.exe
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Size
386KB
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MD5
098b98588b0faa853692e46398be8f28
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SHA1
24cc7fed9be45c81c3d01f49e5951ef04cbfe0f9
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SHA256
476da428009c5570ace1ede955e7b11337e173eac8cb987c154e2be24468306f
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SHA512
076fc393a4fe0bba02ed0357b5c0e9bcbc8d3e56a089ac9a34e3c7627b8c08577380a7e2acc9316dae20f98b00a2b838775556b1686be0111fae0458823718b9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.usamilitarydept.com - Port:
587 - Username:
[email protected] - Password:
qqkgpIN2
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/732-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/732-5-0x00000000004471FE-mapping.dmp family_agenttesla behavioral1/memory/732-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/732-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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
description pid Process procid_target PID 1496 set thread context of 732 1496 REV- PI 1696195.exe 26 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 532 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 732 REV- PI 1696195.exe 732 REV- PI 1696195.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 732 REV- PI 1696195.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1496 wrote to memory of 532 1496 REV- PI 1696195.exe 24 PID 1496 wrote to memory of 532 1496 REV- PI 1696195.exe 24 PID 1496 wrote to memory of 532 1496 REV- PI 1696195.exe 24 PID 1496 wrote to memory of 532 1496 REV- PI 1696195.exe 24 PID 1496 wrote to memory of 732 1496 REV- PI 1696195.exe 26 PID 1496 wrote to memory of 732 1496 REV- PI 1696195.exe 26 PID 1496 wrote to memory of 732 1496 REV- PI 1696195.exe 26 PID 1496 wrote to memory of 732 1496 REV- PI 1696195.exe 26 PID 1496 wrote to memory of 732 1496 REV- PI 1696195.exe 26 PID 1496 wrote to memory of 732 1496 REV- PI 1696195.exe 26 PID 1496 wrote to memory of 732 1496 REV- PI 1696195.exe 26 PID 1496 wrote to memory of 732 1496 REV- PI 1696195.exe 26 PID 1496 wrote to memory of 732 1496 REV- PI 1696195.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe"C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HUNKpEC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88BE.tmp"2⤵
- Creates scheduled task(s)
PID:532
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C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:732
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