agenttesla | 3cd5be20fc52a85f70dae0f6ecb7a63e343a8eb1625ea53be792b497e5452251

Analysis

max time kernel
152s
max time network
131s
platform
windows7_x64
resource
win7-en-20211208
submitted
31/01/2022, 04:30

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General

Target
DHL commercial invoice.exe
Size 819KB
Sample220131-e4vkjaehgr
SHA256 3cd5be20fc52a85f70dae0f6ecb7a63e343a8eb1625ea53be792b497e5452251
MD5 2ff7e7f69f13a4beb676f766ada4703a
SHA1 b957fcecc135b1a4da6c97919ef7daf7a89e58a1
SHA512 07c51cff8d34d957f8e6affcfebae9bd8590ccd81a960359e50d841fe6ac426d45129c2bc7cc224211e9b787337b40ac809dbd8b26c02e58b9ec8e569762a1f7
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
graceofgod@amen

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 5 IoCs

resource	yara_rule
behavioral1/memory/1440-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1440-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1440-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1440-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1032-70-0x00000000023B0000-0x0000000002FFA000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1088 set thread context of 1440	1088	DHL commercial invoice.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1440	RegSvcs.exe
1440	RegSvcs.exe
1032	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1440	RegSvcs.exe
Token: SeDebugPrivilege	1032	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1440	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1032	1088	DHL commercial invoice.exe	27
PID 1088 wrote to memory of 1032	1088	DHL commercial invoice.exe	27
PID 1088 wrote to memory of 1032	1088	DHL commercial invoice.exe	27
PID 1088 wrote to memory of 1032	1088	DHL commercial invoice.exe	27
PID 1088 wrote to memory of 1424	1088	DHL commercial invoice.exe	29
PID 1088 wrote to memory of 1424	1088	DHL commercial invoice.exe	29
PID 1088 wrote to memory of 1424	1088	DHL commercial invoice.exe	29
PID 1088 wrote to memory of 1424	1088	DHL commercial invoice.exe	29
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31
PID 1088 wrote to memory of 1440	1088	DHL commercial invoice.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DHL commercial invoice.exe
"C:\Users\Admin\AppData\Local\Temp\DHL commercial invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ChrvNSB.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1032
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChrvNSB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA11F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1440

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1032-70-0x00000000023B0000-0x0000000002FFA000-memory.dmp

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memory/1032-72-0x00000000023B0000-0x0000000002FFA000-memory.dmp

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memory/1032-71-0x00000000023B0000-0x0000000002FFA000-memory.dmp

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memory/1088-55-0x00000000751B1000-0x00000000751B3000-memory.dmp

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memory/1088-56-0x00000000004B0000-0x00000000004B1000-memory.dmp

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memory/1088-57-0x0000000000490000-0x00000000004A4000-memory.dmp

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memory/1088-58-0x0000000007890000-0x0000000007924000-memory.dmp

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memory/1088-54-0x0000000000BE0000-0x0000000000CB4000-memory.dmp

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memory/1440-63-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1440-65-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1440-66-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1440-69-0x0000000000780000-0x0000000000781000-memory.dmp

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memory/1440-64-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1440-62-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1440-61-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1440-74-0x0000000000781000-0x0000000000782000-memory.dmp

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