agenttesla | 4bbc025849f8996952c998d7658df3dc8d70ceafb8dbdb22d55e94b2abe00d81

Analysis

max time kernel
147s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
31/03/2021, 07:32

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General

Target
bba11f81794c3a2574e680976c6b8e54.exe
Size 653KB
Sample210331-qmrvrl6r5e
SHA256 4bbc025849f8996952c998d7658df3dc8d70ceafb8dbdb22d55e94b2abe00d81
MD5 bba11f81794c3a2574e680976c6b8e54
SHA1 084c2068d4770be406fb713f176948563650f757
SHA512 f2681d0e133149eb49bdf0f120a61b5fb14beb9f3db07ea5819c1da80d810b48e50ebf530bcb690788ea782c9f452ff76ccb43675a37fe24c32bf15d526da686
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/1244-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1244-16-0x00000000004375DE-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3992 set thread context of 1244	3992	bba11f81794c3a2574e680976c6b8e54.exe	80

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
2672	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1244	bba11f81794c3a2574e680976c6b8e54.exe
1244	bba11f81794c3a2574e680976c6b8e54.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1244	bba11f81794c3a2574e680976c6b8e54.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 2672	3992	bba11f81794c3a2574e680976c6b8e54.exe	78
PID 3992 wrote to memory of 2672	3992	bba11f81794c3a2574e680976c6b8e54.exe	78
PID 3992 wrote to memory of 2672	3992	bba11f81794c3a2574e680976c6b8e54.exe	78
PID 3992 wrote to memory of 1244	3992	bba11f81794c3a2574e680976c6b8e54.exe	80
PID 3992 wrote to memory of 1244	3992	bba11f81794c3a2574e680976c6b8e54.exe	80
PID 3992 wrote to memory of 1244	3992	bba11f81794c3a2574e680976c6b8e54.exe	80
PID 3992 wrote to memory of 1244	3992	bba11f81794c3a2574e680976c6b8e54.exe	80
PID 3992 wrote to memory of 1244	3992	bba11f81794c3a2574e680976c6b8e54.exe	80
PID 3992 wrote to memory of 1244	3992	bba11f81794c3a2574e680976c6b8e54.exe	80
PID 3992 wrote to memory of 1244	3992	bba11f81794c3a2574e680976c6b8e54.exe	80
PID 3992 wrote to memory of 1244	3992	bba11f81794c3a2574e680976c6b8e54.exe	80

C:\Users\Admin\AppData\Local\Temp\bba11f81794c3a2574e680976c6b8e54.exe
"C:\Users\Admin\AppData\Local\Temp\bba11f81794c3a2574e680976c6b8e54.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RJyHFgnZNptwJr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD5FE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2672
- C:\Users\Admin\AppData\Local\Temp\bba11f81794c3a2574e680976c6b8e54.exe
  "C:\Users\Admin\AppData\Local\Temp\bba11f81794c3a2574e680976c6b8e54.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1244

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/1244-25-0x0000000005F40000-0x0000000005F41000-memory.dmp

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memory/1244-24-0x0000000005310000-0x0000000005311000-memory.dmp

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memory/1244-23-0x0000000005340000-0x0000000005341000-memory.dmp

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memory/1244-18-0x0000000073920000-0x000000007400E000-memory.dmp

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memory/1244-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3992-7-0x00000000055A0000-0x00000000055A1000-memory.dmp

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memory/3992-12-0x0000000008580000-0x00000000085E4000-memory.dmp

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memory/3992-11-0x0000000005510000-0x0000000005519000-memory.dmp

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memory/3992-10-0x0000000005760000-0x0000000005761000-memory.dmp

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memory/3992-9-0x0000000005450000-0x0000000005451000-memory.dmp

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memory/3992-8-0x0000000005750000-0x0000000005751000-memory.dmp

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memory/3992-2-0x0000000073920000-0x000000007400E000-memory.dmp

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memory/3992-6-0x0000000005A00000-0x0000000005A01000-memory.dmp

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memory/3992-5-0x0000000005460000-0x0000000005461000-memory.dmp

Download

memory/3992-3-0x0000000000B90000-0x0000000000B91000-memory.dmp

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