agenttesla | 377eb922e14bd12146be4873fe968b8864cb1d6682e4f3244907add31feba517

General

Target

100 gab.exe
Size

1.2MB
MD5

38462e84ce0cb6d961452e6b0e20c83c
SHA1

86bf94777e67a820191cec9857182ff6d404539d
SHA256

8cc7a30b218d8c4e4dbeef936290a726ebfdb9ea1b9af35dab970ce4bb5352bc
SHA512

ce0c3020cdc5576d0437778db2e6521d77872a3d02c755430afdce41321c8489b2c80eff05beaa7bb8e63d3c4abc2298e3fdaca8bd2389027cf1cab4f3ec5820
SSDEEP

24576:QqGnNerctUvpL0V5Uk86JsJPG8ODWfMMFR5UitDJ6Bz5d:lctOpaWo8aWfLF/f6Bz5d

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5693068931:AAGSQSNIWDJM1FzeZVNHS020I9wVBrQdkRM/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	100 gab.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	100 gab.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	100 gab.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 1348 set thread context of 1672	1348	100 gab.exe	33

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
1668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
676	powershell.exe
1712	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	100 gab.exe
Token: SeDebugPrivilege	676	powershell.exe
Token: SeDebugPrivilege	1712	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 676	1348	100 gab.exe	27
PID 1348 wrote to memory of 676	1348	100 gab.exe	27
PID 1348 wrote to memory of 676	1348	100 gab.exe	27
PID 1348 wrote to memory of 676	1348	100 gab.exe	27
PID 1348 wrote to memory of 1712	1348	100 gab.exe	29
PID 1348 wrote to memory of 1712	1348	100 gab.exe	29
PID 1348 wrote to memory of 1712	1348	100 gab.exe	29
PID 1348 wrote to memory of 1712	1348	100 gab.exe	29
PID 1348 wrote to memory of 1668	1348	100 gab.exe	31
PID 1348 wrote to memory of 1668	1348	100 gab.exe	31
PID 1348 wrote to memory of 1668	1348	100 gab.exe	31
PID 1348 wrote to memory of 1668	1348	100 gab.exe	31
PID 1348 wrote to memory of 1672	1348	100 gab.exe	33
PID 1348 wrote to memory of 1672	1348	100 gab.exe	33
PID 1348 wrote to memory of 1672	1348	100 gab.exe	33
PID 1348 wrote to memory of 1672	1348	100 gab.exe	33
PID 1348 wrote to memory of 1672	1348	100 gab.exe	33
PID 1348 wrote to memory of 1672	1348	100 gab.exe	33
PID 1348 wrote to memory of 1672	1348	100 gab.exe	33
PID 1348 wrote to memory of 1672	1348	100 gab.exe	33
PID 1348 wrote to memory of 1672	1348	100 gab.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	100 gab.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	100 gab.exe

C:\Users\Admin\AppData\Local\Temp\100 gab.exe
"C:\Users\Admin\AppData\Local\Temp\100 gab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1348
- 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\100 gab.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:676
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\daHysTSY.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1712
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\daHysTSY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC91A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1668
- C:\Users\Admin\AppData\Local\Temp\100 gab.exe
  "C:\Users\Admin\AppData\Local\Temp\100 gab.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC91A.tmp

Filesize
1KB

MD5
a7e176532314aa9ba092205c84a5d7d8

SHA1
22c2115da8e8aff05f7f2bb9ed48d8fba893e917

SHA256
69eb0cefe16ebd95802ee3c143a186f339f60ac1532e3175460c724b22377f4a

SHA512
81e232f50977ba512eeffc4c77bd2edf67873afe3551d93fdee541f871294bf2e2459f0654ceb46cb8ce6f8c58bf8e46feb437fefad7eb3874b20db731d2289f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\GRX6ZVH3RN6JX15SXGM6.temp

Filesize
7KB

MD5
ab7cc51d941cbdbc21e56326af214ec5

SHA1
0cc4bc1bbd3e59b7a29f529d2f23d25bfd631567

SHA256
367bf0e89b4cff0bf570f810cf224c9a5230f11b075bda33a1c891533b2b1a46

SHA512
ca24227eb302c6277cb17d2a194a5363f64d2e00683266b5e731c4223a44839ba7995e3d36e66c9425506ad73d5db5e2a9d2f8a66f42238dc35efa3acfb9bb91

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
ab7cc51d941cbdbc21e56326af214ec5

SHA1
0cc4bc1bbd3e59b7a29f529d2f23d25bfd631567

SHA256
367bf0e89b4cff0bf570f810cf224c9a5230f11b075bda33a1c891533b2b1a46

SHA512
ca24227eb302c6277cb17d2a194a5363f64d2e00683266b5e731c4223a44839ba7995e3d36e66c9425506ad73d5db5e2a9d2f8a66f42238dc35efa3acfb9bb91

Download Submit
memory/676-75-0x0000000002480000-0x00000000024C0000-memory.dmp

Filesize
256KB

Download
memory/1348-73-0x0000000004B20000-0x0000000004B52000-memory.dmp

Filesize
200KB

Download
memory/1348-55-0x0000000004B80000-0x0000000004BC0000-memory.dmp

Filesize
256KB

Download
memory/1348-58-0x0000000000630000-0x000000000063C000-memory.dmp

Filesize
48KB

Download
memory/1348-57-0x0000000004B80000-0x0000000004BC0000-memory.dmp

Filesize
256KB

Download
memory/1348-56-0x0000000000610000-0x000000000062A000-memory.dmp

Filesize
104KB

Download
memory/1348-72-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/1348-54-0x0000000001180000-0x00000000012C2000-memory.dmp

Filesize
1.3MB

Download
memory/1348-59-0x0000000006020000-0x00000000060CA000-memory.dmp

Filesize
680KB

Download
memory/1672-76-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1672-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1672-78-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1672-79-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1672-80-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1672-81-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1672-83-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1672-85-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1672-86-0x0000000004830000-0x0000000004870000-memory.dmp

Filesize
256KB

Download
memory/1672-104-0x0000000004830000-0x0000000004870000-memory.dmp

Filesize
256KB

Download
memory/1712-74-0x0000000002400000-0x0000000002440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads