agenttesla | 90bcd90d58d9f3fd0b0d7c6771a1a701746b2f031c9498bd2b6a2a729f4dda02

General

Target

8a9978dfed7583d2e18a8fdcd39a2191.exe
Size

921KB
MD5

8a9978dfed7583d2e18a8fdcd39a2191
SHA1

81c81905226add23e9f23514c0b6459c2832785f
SHA256

90bcd90d58d9f3fd0b0d7c6771a1a701746b2f031c9498bd2b6a2a729f4dda02
SHA512

c2ba065ad225a306006fdcda8fb040c4eae3f3cbb4d8127c4f10add7cea079a3f2e8c09913471bb46e7e408abc8c49eb8c56bdc8e24b20179ffb2fe7b9be2778
SSDEEP

24576:ERoArkmdOGWcwE8cEUVbE9l92s6p6hsUaQl1:ERJR6fEdEUVgn92QBl1

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Password: )NYyffR0
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe"	8a9978dfed7583d2e18a8fdcd39a2191.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
21	api.ipify.org
22	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2000 set thread context of 4912	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe	93

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2000	8a9978dfed7583d2e18a8fdcd39a2191.exe
2000	8a9978dfed7583d2e18a8fdcd39a2191.exe
2000	8a9978dfed7583d2e18a8fdcd39a2191.exe
4912	8a9978dfed7583d2e18a8fdcd39a2191.exe
4912	8a9978dfed7583d2e18a8fdcd39a2191.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe
Token: SeDebugPrivilege	4912	8a9978dfed7583d2e18a8fdcd39a2191.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 4912	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe	93
PID 2000 wrote to memory of 4912	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe	93
PID 2000 wrote to memory of 4912	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe	93
PID 2000 wrote to memory of 4912	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe	93
PID 2000 wrote to memory of 4912	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe	93
PID 2000 wrote to memory of 4912	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe	93
PID 2000 wrote to memory of 4912	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe	93
PID 2000 wrote to memory of 4912	2000	8a9978dfed7583d2e18a8fdcd39a2191.exe	93

C:\Users\Admin\AppData\Local\Temp\8a9978dfed7583d2e18a8fdcd39a2191.exe
"C:\Users\Admin\AppData\Local\Temp\8a9978dfed7583d2e18a8fdcd39a2191.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\8a9978dfed7583d2e18a8fdcd39a2191.exe
  "C:\Users\Admin\AppData\Local\Temp\8a9978dfed7583d2e18a8fdcd39a2191.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4912

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

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8a9978dfed7583d2e18a8fdcd39a2191.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2000-4-0x00000000051B0000-0x00000000051BA000-memory.dmp

Filesize
40KB

Download
memory/2000-14-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/2000-3-0x00000000050F0000-0x0000000005182000-memory.dmp

Filesize
584KB

Download
memory/2000-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2000-5-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/2000-6-0x0000000006790000-0x0000000006834000-memory.dmp

Filesize
656KB

Download
memory/2000-7-0x00000000055B0000-0x00000000055CE000-memory.dmp

Filesize
120KB

Download
memory/2000-8-0x00000000055E0000-0x00000000055F0000-memory.dmp

Filesize
64KB

Download
memory/2000-2-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/2000-9-0x0000000006B50000-0x0000000006BD4000-memory.dmp

Filesize
528KB

Download
memory/2000-10-0x0000000009200000-0x000000000929C000-memory.dmp

Filesize
624KB

Download
memory/2000-1-0x0000000000600000-0x00000000006EC000-memory.dmp

Filesize
944KB

Download
memory/4912-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4912-15-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/4912-17-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download
memory/4912-16-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/4912-19-0x0000000006DD0000-0x0000000006E20000-memory.dmp

Filesize
320KB

Download
memory/4912-20-0x0000000074AC0000-0x0000000075270000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads