agenttesla | 28657acf0a25a10979f1f7df41780b42fbeef920272067f9345f7a6a4788f889

Analysis

max time kernel
52s
max time network
117s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
26/05/2023, 14:57

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General

Target
UPDATED PI.pdf (2).exe
Size 827KB
Sample230526-sblc2sge3w
SHA256 28657acf0a25a10979f1f7df41780b42fbeef920272067f9345f7a6a4788f889
MD5 a6a0353598ced4e8b9319fdd33f40f2d
SHA1 5af342b60a3d2832e29323a3ac69a74ba54df2fe
SHA512 56e4f88fb8159a75895ba3ffba8d0bd2fa7f35854d7fe6af95ce64e5d6eafdc30fbef4878317d30ca20e0bf06e4b50f3c0f440d8681d01effce6f9645da43331
SSDEEP 12288:dtyy5iTB2QwSMwX4pBfIHl5g8M7qpJyUyn2YbxxXiYNZvWnBeYkJYqD:nyymUfIHng8M7I1yijcYY5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.expertsconsultgh.co
Port
587
Username
[email protected]
Password
Oppong.2012
Email to
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1376 set thread context of 1480	1376	UPDATED PI.pdf (2).exe	31

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

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
576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1376	UPDATED PI.pdf (2).exe
1376	UPDATED PI.pdf (2).exe
1480	RegSvcs.exe
1480	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	UPDATED PI.pdf (2).exe
Token: SeDebugPrivilege	1480	RegSvcs.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 576	1376	UPDATED PI.pdf (2).exe	28
PID 1376 wrote to memory of 576	1376	UPDATED PI.pdf (2).exe	28
PID 1376 wrote to memory of 576	1376	UPDATED PI.pdf (2).exe	28
PID 1376 wrote to memory of 576	1376	UPDATED PI.pdf (2).exe	28
PID 1376 wrote to memory of 340	1376	UPDATED PI.pdf (2).exe	30
PID 1376 wrote to memory of 340	1376	UPDATED PI.pdf (2).exe	30
PID 1376 wrote to memory of 340	1376	UPDATED PI.pdf (2).exe	30
PID 1376 wrote to memory of 340	1376	UPDATED PI.pdf (2).exe	30
PID 1376 wrote to memory of 340	1376	UPDATED PI.pdf (2).exe	30
PID 1376 wrote to memory of 340	1376	UPDATED PI.pdf (2).exe	30
PID 1376 wrote to memory of 340	1376	UPDATED PI.pdf (2).exe	30
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31
PID 1376 wrote to memory of 1480	1376	UPDATED PI.pdf (2).exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\UPDATED PI.pdf (2).exe
"C:\Users\Admin\AppData\Local\Temp\UPDATED PI.pdf (2).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WVVrJSgPypFKsQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp981C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:576
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:340
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1480

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

tmp981C.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp981C.tmp
Size 1KB
SHA256 adb8a05a6d24e627f0064bafc4414b3ec15c896cc0e38ea92efd37e1d119cb92
MD5 19428e93b4d62e857fa50cb017ea8cc7
SHA1 e294489d0b0234f4fd26d64b237cdb4889f39df5
SHA512 d3be249bee48b9ac0a6c68b069438ed4726010724ac5676ef72c6e9c4536dae0cf8815442b1424d02013218f67c2ac8d1897b5403b472c360664c98f264d1545
MD5 SHA1 SHA512

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memory/1376-54-0x0000000000B70000-0x0000000000C46000-memory.dmp

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memory/1376-55-0x0000000004F80000-0x0000000004FC0000-memory.dmp

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memory/1376-56-0x00000000003E0000-0x00000000003F4000-memory.dmp

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memory/1376-57-0x0000000004F80000-0x0000000004FC0000-memory.dmp

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memory/1376-58-0x00000000052C0000-0x000000000535C000-memory.dmp

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memory/1376-59-0x0000000002180000-0x00000000021D0000-memory.dmp

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memory/1480-64-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1480-63-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1480-65-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1480-66-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1480-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1480-72-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1480-70-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1480-68-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1480-73-0x00000000005F0000-0x0000000000630000-memory.dmp

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memory/1480-91-0x00000000005F0000-0x0000000000630000-memory.dmp

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