agenttesla | f28ee29d6e4f2587b8fb1e2c5c85cabd5f2384973ec9273b9e97a00f2c6080c3

Analysis

max time kernel
147s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
08/03/2021, 13:36

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General

Target
a603c13e1af6f8696086aca33ad1140c.exe
Size 626KB
Sample210308-6dj4kl696e
SHA256 f28ee29d6e4f2587b8fb1e2c5c85cabd5f2384973ec9273b9e97a00f2c6080c3
MD5 a603c13e1af6f8696086aca33ad1140c
SHA1 12468ddeff12a9cc3196e2acc6c0befa9651ea03
SHA512 b2c53cfc9244cb86af19c635adcb05cfb31658688602e194be7a1e65c6ee0e1c4b0fdd08aa2e17aff31e1f1b8d91a877cb7f8e82b1fd9f0e005b77db92795f0f
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
browse9ja

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/2928-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2928-16-0x000000000043762E-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 580 set thread context of 2928	580	a603c13e1af6f8696086aca33ad1140c.exe	79

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
204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2928	a603c13e1af6f8696086aca33ad1140c.exe
2928	a603c13e1af6f8696086aca33ad1140c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	a603c13e1af6f8696086aca33ad1140c.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 204	580	a603c13e1af6f8696086aca33ad1140c.exe	77
PID 580 wrote to memory of 204	580	a603c13e1af6f8696086aca33ad1140c.exe	77
PID 580 wrote to memory of 204	580	a603c13e1af6f8696086aca33ad1140c.exe	77
PID 580 wrote to memory of 2928	580	a603c13e1af6f8696086aca33ad1140c.exe	79
PID 580 wrote to memory of 2928	580	a603c13e1af6f8696086aca33ad1140c.exe	79
PID 580 wrote to memory of 2928	580	a603c13e1af6f8696086aca33ad1140c.exe	79
PID 580 wrote to memory of 2928	580	a603c13e1af6f8696086aca33ad1140c.exe	79
PID 580 wrote to memory of 2928	580	a603c13e1af6f8696086aca33ad1140c.exe	79
PID 580 wrote to memory of 2928	580	a603c13e1af6f8696086aca33ad1140c.exe	79
PID 580 wrote to memory of 2928	580	a603c13e1af6f8696086aca33ad1140c.exe	79
PID 580 wrote to memory of 2928	580	a603c13e1af6f8696086aca33ad1140c.exe	79

C:\Users\Admin\AppData\Local\Temp\a603c13e1af6f8696086aca33ad1140c.exe
"C:\Users\Admin\AppData\Local\Temp\a603c13e1af6f8696086aca33ad1140c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BmHCVzSNFXAS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1394.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:204
- C:\Users\Admin\AppData\Local\Temp\a603c13e1af6f8696086aca33ad1140c.exe
  "C:\Users\Admin\AppData\Local\Temp\a603c13e1af6f8696086aca33ad1140c.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/580-11-0x00000000052A0000-0x00000000052A7000-memory.dmp

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memory/580-6-0x0000000005840000-0x0000000005841000-memory.dmp

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memory/580-8-0x00000000051E0000-0x00000000051E1000-memory.dmp

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memory/580-9-0x0000000005540000-0x0000000005541000-memory.dmp

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memory/580-10-0x00000000054C0000-0x00000000054C1000-memory.dmp

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memory/580-2-0x0000000073F30000-0x000000007461E000-memory.dmp

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memory/580-12-0x00000000057D0000-0x000000000582D000-memory.dmp

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memory/580-7-0x0000000005340000-0x0000000005341000-memory.dmp

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memory/580-5-0x00000000051F0000-0x00000000051F1000-memory.dmp

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memory/580-3-0x0000000000930000-0x0000000000931000-memory.dmp

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memory/2928-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/2928-18-0x0000000073F30000-0x000000007461E000-memory.dmp

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memory/2928-22-0x00000000054C0000-0x00000000054C1000-memory.dmp

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memory/2928-24-0x0000000005480000-0x0000000005481000-memory.dmp

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memory/2928-25-0x00000000058A0000-0x00000000058A1000-memory.dmp

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