agenttesla | b3fbab4d8090fb6109b890d24c1e457db6e3f6bd5e17c6be2f2cb8448d53d5ab

General

Target

002523699.exe
Size

692KB
MD5

438669903956588f4d2d38af36d8a576
SHA1

c11b8cd74cc94a355e52b1a7c3b847e826c3a6c6
SHA256

b3fbab4d8090fb6109b890d24c1e457db6e3f6bd5e17c6be2f2cb8448d53d5ab
SHA512

14393880718f2b005b16dcbef88c1a6a1d2452c2c0472fb6935c7986ca2233651f3e8eccd61dfd786a406f6aab8e5bee0cd51bd9cfeeced8fb8e403a33678346
SSDEEP

12288:8aWIm6lVvtzZBEP85HE19rt764nNwXWjdClE1JOjXFE6gtffEWtHEZmxG:RTmIt9BEP8JE/rveqdClE/g0tNBG

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6277498666:AAH4URlmeSysUKKZG20OTvrve55BRMLEu_o/

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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	002523699.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	002523699.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	002523699.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	002523699.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
23	api.ipify.org
24	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1548 set thread context of 4204	1548	002523699.exe	93

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2312	powershell.exe
2312	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	002523699.exe
Token: SeDebugPrivilege	2312	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2312	1548	002523699.exe	91
PID 1548 wrote to memory of 2312	1548	002523699.exe	91
PID 1548 wrote to memory of 2312	1548	002523699.exe	91
PID 1548 wrote to memory of 4204	1548	002523699.exe	93
PID 1548 wrote to memory of 4204	1548	002523699.exe	93
PID 1548 wrote to memory of 4204	1548	002523699.exe	93
PID 1548 wrote to memory of 4204	1548	002523699.exe	93
PID 1548 wrote to memory of 4204	1548	002523699.exe	93
PID 1548 wrote to memory of 4204	1548	002523699.exe	93
PID 1548 wrote to memory of 4204	1548	002523699.exe	93
PID 1548 wrote to memory of 4204	1548	002523699.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	002523699.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	002523699.exe

C:\Users\Admin\AppData\Local\Temp\002523699.exe
"C:\Users\Admin\AppData\Local\Temp\002523699.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\002523699.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2312
- C:\Users\Admin\AppData\Local\Temp\002523699.exe
  "C:\Users\Admin\AppData\Local\Temp\002523699.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jyemav3w.foy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1548-134-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/1548-135-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/1548-136-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/1548-137-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

Filesize
40KB

Download
memory/1548-138-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/1548-139-0x0000000006EA0000-0x0000000006F3C000-memory.dmp

Filesize
624KB

Download
memory/1548-133-0x0000000000480000-0x0000000000534000-memory.dmp

Filesize
720KB

Download
memory/2312-172-0x0000000006500000-0x000000000651E000-memory.dmp

Filesize
120KB

Download
memory/2312-161-0x0000000006520000-0x0000000006552000-memory.dmp

Filesize
200KB

Download
memory/2312-144-0x0000000002650000-0x0000000002660000-memory.dmp

Filesize
64KB

Download
memory/2312-180-0x0000000007570000-0x0000000007578000-memory.dmp

Filesize
32KB

Download
memory/2312-146-0x0000000002650000-0x0000000002660000-memory.dmp

Filesize
64KB

Download
memory/2312-179-0x0000000007590000-0x00000000075AA000-memory.dmp

Filesize
104KB

Download
memory/2312-148-0x0000000004F80000-0x0000000004FA2000-memory.dmp

Filesize
136KB

Download
memory/2312-149-0x00000000057C0000-0x0000000005826000-memory.dmp

Filesize
408KB

Download
memory/2312-142-0x00000000049B0000-0x00000000049E6000-memory.dmp

Filesize
216KB

Download
memory/2312-159-0x0000000005F50000-0x0000000005F6E000-memory.dmp

Filesize
120KB

Download
memory/2312-160-0x0000000002650000-0x0000000002660000-memory.dmp

Filesize
64KB

Download
memory/2312-143-0x0000000005020000-0x0000000005648000-memory.dmp

Filesize
6.2MB

Download
memory/2312-162-0x0000000070B70000-0x0000000070BBC000-memory.dmp

Filesize
304KB

Download
memory/2312-178-0x0000000007480000-0x000000000748E000-memory.dmp

Filesize
56KB

Download
memory/2312-173-0x000000007F090000-0x000000007F0A0000-memory.dmp

Filesize
64KB

Download
memory/2312-174-0x00000000078A0000-0x0000000007F1A000-memory.dmp

Filesize
6.5MB

Download
memory/2312-175-0x0000000007250000-0x000000000726A000-memory.dmp

Filesize
104KB

Download
memory/2312-176-0x00000000072C0000-0x00000000072CA000-memory.dmp

Filesize
40KB

Download
memory/2312-177-0x00000000074D0000-0x0000000007566000-memory.dmp

Filesize
600KB

Download
memory/4204-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4204-147-0x0000000005930000-0x0000000005940000-memory.dmp

Filesize
64KB

Download
memory/4204-145-0x00000000057E0000-0x0000000005846000-memory.dmp

Filesize
408KB

Download
memory/4204-183-0x0000000005930000-0x0000000005940000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing