agenttesla | fb51d5ec0f3c5b0ea82d4a37cd9a53e070efaaa4f067ea89301c089e0dea8a76

General

Target
Payment Slip.exe
Size 772KB
Sample200830-mwch8kv81a
SHA256 fb51d5ec0f3c5b0ea82d4a37cd9a53e070efaaa4f067ea89301c089e0dea8a76
MD5 b95e20081c6c874c62fdfea4f396a888
SHA1 d42b33ed96e59e9bf5ff68c09738dfb22b5954b1
SHA512 af66e9ae099b482ff0e79828dfb71de404d1abf20a4b97b02bc8bd3d1c9321ff4b5266e65ffbde9a472223bb51e7cdff4c5070876d0e6e01575724eb495e6cee
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
xVVKJXZ2

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2712-12-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral2/memory/2712-13-0x00000000004615BE-mapping.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

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

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3980 set thread context of 2712	3980	Payment Slip.exe	77

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

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
2228	schtasks.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 82921ca9f57ed601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3980	Payment Slip.exe
3980	Payment Slip.exe
3980	Payment Slip.exe
3980	Payment Slip.exe
2712	Payment Slip.exe
2712	Payment Slip.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3900	svchost.exe
Token: SeCreatePagefilePrivilege	3900	svchost.exe
Token: SeDebugPrivilege	3980	Payment Slip.exe
Token: SeDebugPrivilege	2712	Payment Slip.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2712	Payment Slip.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 2228	3980	Payment Slip.exe	75
PID 3980 wrote to memory of 2228	3980	Payment Slip.exe	75
PID 3980 wrote to memory of 2228	3980	Payment Slip.exe	75
PID 3980 wrote to memory of 2712	3980	Payment Slip.exe	77
PID 3980 wrote to memory of 2712	3980	Payment Slip.exe	77
PID 3980 wrote to memory of 2712	3980	Payment Slip.exe	77
PID 3980 wrote to memory of 2712	3980	Payment Slip.exe	77
PID 3980 wrote to memory of 2712	3980	Payment Slip.exe	77
PID 3980 wrote to memory of 2712	3980	Payment Slip.exe	77
PID 3980 wrote to memory of 2712	3980	Payment Slip.exe	77
PID 3980 wrote to memory of 2712	3980	Payment Slip.exe	77

C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZHBVUn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF61D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2228
- C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2712

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3900

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

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2712-21-0x0000000005880000-0x0000000005881000-memory.dmp

Download

memory/2712-20-0x0000000005710000-0x0000000005711000-memory.dmp

Download

memory/2712-15-0x0000000073FB0000-0x000000007469E000-memory.dmp

Download

memory/2712-12-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/3980-5-0x0000000004A30000-0x0000000004A31000-memory.dmp

Download

memory/3980-9-0x0000000008030000-0x00000000080CD000-memory.dmp

Download

memory/3980-8-0x0000000008330000-0x0000000008331000-memory.dmp

Download

memory/3980-7-0x00000000081E0000-0x0000000008289000-memory.dmp

Download

memory/3980-6-0x0000000004DE0000-0x0000000004DE3000-memory.dmp

Download

memory/3980-0-0x0000000073FB0000-0x000000007469E000-memory.dmp

Download

memory/3980-4-0x0000000004A90000-0x0000000004A91000-memory.dmp

Download

memory/3980-3-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

Download

memory/3980-1-0x0000000000130000-0x0000000000131000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads