agenttesla | ea45a2032eebe69d32b15d3ea505330eb00b5026107e8e123fb9fb9e2bf87496

General

Target
PURCHASE ORDER.exe
Size 586KB
Sample221129-mesnmsdc2x
SHA256 ea45a2032eebe69d32b15d3ea505330eb00b5026107e8e123fb9fb9e2bf87496
MD5 a55b4bb09398659d69f1b8b37541e621
SHA1 975f7c38780d00ae497fcb6addf31f5ad8cdb090
SHA512 a5eb89b7b07ad51b747ba5c003d50ae8aa53c11adb23034da977e8ab25373a81c3c7216cda025c25a0d55f9cab989f93794d2512fb16a8998dfa8d58c5210590
SSDEEP 12288:7gkzrbETClvHskFgFwIyXCD1vmAMDfJ0/IegnS1onhj6W4ytrRpMf:/76CVskFgqIyXFhS/ngSWhxROf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.orogenicgroup-bd.com
Port
587
Username
[email protected]
Password
Hossain$3400
Email to
[email protected]

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	PURCHASE ORDER.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4576 set thread context of 4212	4576	PURCHASE ORDER.exe	86

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
4084	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4576	PURCHASE ORDER.exe
4576	PURCHASE ORDER.exe
4576	PURCHASE ORDER.exe
4212	RegSvcs.exe
4212	RegSvcs.exe
4212	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4576	PURCHASE ORDER.exe
Token: SeDebugPrivilege	4212	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 4084	4576	PURCHASE ORDER.exe	83
PID 4576 wrote to memory of 4084	4576	PURCHASE ORDER.exe	83
PID 4576 wrote to memory of 4084	4576	PURCHASE ORDER.exe	83
PID 4576 wrote to memory of 1772	4576	PURCHASE ORDER.exe	85
PID 4576 wrote to memory of 1772	4576	PURCHASE ORDER.exe	85
PID 4576 wrote to memory of 1772	4576	PURCHASE ORDER.exe	85
PID 4576 wrote to memory of 4212	4576	PURCHASE ORDER.exe	86
PID 4576 wrote to memory of 4212	4576	PURCHASE ORDER.exe	86
PID 4576 wrote to memory of 4212	4576	PURCHASE ORDER.exe	86
PID 4576 wrote to memory of 4212	4576	PURCHASE ORDER.exe	86
PID 4576 wrote to memory of 4212	4576	PURCHASE ORDER.exe	86
PID 4576 wrote to memory of 4212	4576	PURCHASE ORDER.exe	86
PID 4576 wrote to memory of 4212	4576	PURCHASE ORDER.exe	86
PID 4576 wrote to memory of 4212	4576	PURCHASE ORDER.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PAyWOGoRT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF90.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4084
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:1772
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

tmpF90.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpF90.tmp
Size 1KB
SHA256 b46d7ecbb54f3a79a71e9b537d3a2141e5e449fc23c2d069061148084c20a31f
MD5 b585bd8acf1ca9b79505a3dce27cc9a0
SHA1 39eea2557d8c67d9ab60bd01eff778d1f68045d2
SHA512 aa2552a58b8aaffe821e6c1ce461a01df26cfaa08baf47b42c71410ebcadb0fa58adfee0f112cecdee60ef1c6add667781557665b973c23221d260883338f3cc
MD5 SHA1 SHA512

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memory/4212-141-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4212-142-0x0000000005B40000-0x0000000005BA6000-memory.dmp

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memory/4212-143-0x0000000005F90000-0x0000000005FE0000-memory.dmp

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memory/4576-132-0x0000000000D30000-0x0000000000DC8000-memory.dmp

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memory/4576-133-0x0000000005C10000-0x00000000061B4000-memory.dmp

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memory/4576-134-0x0000000005700000-0x0000000005792000-memory.dmp

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memory/4576-135-0x00000000057A0000-0x000000000583C000-memory.dmp

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memory/4576-136-0x0000000005660000-0x000000000566A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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