agenttesla | fb8bc20c5ad0dbeedd5c90d8fa5e9bd7e0ff71fe75c7ebd51559b0599699281e

Analysis

max time kernel
150s
max time network
46s
platform
windows10_x64
resource
win10v20210408
submitted
26/05/2021, 05:56

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General

Target
a61d3f2a7db58fdb8aa4efdff483075a.exe
Size 1.0MB
Sample210526-a8ec3jpsma
SHA256 fb8bc20c5ad0dbeedd5c90d8fa5e9bd7e0ff71fe75c7ebd51559b0599699281e
MD5 a61d3f2a7db58fdb8aa4efdff483075a
SHA1 da2e43f650ac490118cfaedca1ec98a4b0acbe6a
SHA512 b5f094bdb11ca570fd19495e6207af32ad019f1ab52b8321bb66e3f09ff0a0c2c5730dac944a57a98a3671f08a3c62ddff1225ecb33680cc361787e99f22ef9e
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.globalescrowtrust.com
Port
587
Username
[email protected]
Password
company1960

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3172-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3172-128-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral2/memory/3172-133-0x0000000005550000-0x0000000005A4E000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4024 set thread context of 3172	4024	a61d3f2a7db58fdb8aa4efdff483075a.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
3832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4024	a61d3f2a7db58fdb8aa4efdff483075a.exe
3172	a61d3f2a7db58fdb8aa4efdff483075a.exe
3172	a61d3f2a7db58fdb8aa4efdff483075a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe
Token: SeDebugPrivilege	3172	a61d3f2a7db58fdb8aa4efdff483075a.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 3832	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	78
PID 4024 wrote to memory of 3832	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	78
PID 4024 wrote to memory of 3832	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	78
PID 4024 wrote to memory of 3172	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	80
PID 4024 wrote to memory of 3172	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	80
PID 4024 wrote to memory of 3172	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	80
PID 4024 wrote to memory of 3172	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	80
PID 4024 wrote to memory of 3172	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	80
PID 4024 wrote to memory of 3172	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	80
PID 4024 wrote to memory of 3172	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	80
PID 4024 wrote to memory of 3172	4024	a61d3f2a7db58fdb8aa4efdff483075a.exe	80

C:\Users\Admin\AppData\Local\Temp\a61d3f2a7db58fdb8aa4efdff483075a.exe
"C:\Users\Admin\AppData\Local\Temp\a61d3f2a7db58fdb8aa4efdff483075a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GHTcJqUcpLnAlD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7B6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3832
- C:\Users\Admin\AppData\Local\Temp\a61d3f2a7db58fdb8aa4efdff483075a.exe
  "C:\Users\Admin\AppData\Local\Temp\a61d3f2a7db58fdb8aa4efdff483075a.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3172

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

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Downloads

memory/3172-135-0x00000000062B0000-0x00000000062B1000-memory.dmp

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memory/3172-134-0x00000000059F0000-0x00000000059F1000-memory.dmp

Download

memory/3172-133-0x0000000005550000-0x0000000005A4E000-memory.dmp

Download

memory/3172-127-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/4024-119-0x0000000005300000-0x00000000057FE000-memory.dmp

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memory/4024-123-0x0000000006030000-0x00000000060AC000-memory.dmp

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memory/4024-124-0x0000000008560000-0x000000000859F000-memory.dmp

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memory/4024-122-0x0000000005310000-0x0000000005314000-memory.dmp

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memory/4024-121-0x0000000005570000-0x0000000005571000-memory.dmp

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memory/4024-120-0x0000000005210000-0x0000000005211000-memory.dmp

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memory/4024-114-0x0000000000900000-0x0000000000901000-memory.dmp

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memory/4024-118-0x00000000053A0000-0x00000000053A1000-memory.dmp

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memory/4024-117-0x0000000005800000-0x0000000005801000-memory.dmp

Download

memory/4024-116-0x0000000005260000-0x0000000005261000-memory.dmp

Download