agenttesla | ac22b41b8032e7b558fb97086308512b46828c3144fe9a2c8a4eb8987a9c3ca9

Analysis

max time kernel
128s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
09/08/2021, 05:55

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General

Target
d8e7f97bd29186b5aa3c1020519f0187.exe
Size 847KB
Sample210809-bjw8cbl7qe
SHA256 ac22b41b8032e7b558fb97086308512b46828c3144fe9a2c8a4eb8987a9c3ca9
MD5 d8e7f97bd29186b5aa3c1020519f0187
SHA1 b55f383dd5a3af77b2629a3e11269938ba388fda
SHA512 1ba0a2bf2ee296e036b292c8db1d91e2ec4d20fcd674fd04b8d862e5b93c890c7f69c7052e81df69c60dd73752d9a2b76c025b7963c24b163e92c2fdc1c096f6
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.privateemail.com
Port
587
Username
[email protected]
Password
MusicMan2023

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/2144-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2144-128-0x000000000043775E-mapping.dmp	family_agenttesla
behavioral2/memory/2144-134-0x0000000005410000-0x000000000590E000-memory.dmp	family_agenttesla

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	d8e7f97bd29186b5aa3c1020519f0187.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 644 set thread context of 2144	644	d8e7f97bd29186b5aa3c1020519f0187.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
3356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
644	d8e7f97bd29186b5aa3c1020519f0187.exe
2144	d8e7f97bd29186b5aa3c1020519f0187.exe
2144	d8e7f97bd29186b5aa3c1020519f0187.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2144	d8e7f97bd29186b5aa3c1020519f0187.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	644	d8e7f97bd29186b5aa3c1020519f0187.exe
Token: SeDebugPrivilege	2144	d8e7f97bd29186b5aa3c1020519f0187.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 3356	644	d8e7f97bd29186b5aa3c1020519f0187.exe	78
PID 644 wrote to memory of 3356	644	d8e7f97bd29186b5aa3c1020519f0187.exe	78
PID 644 wrote to memory of 3356	644	d8e7f97bd29186b5aa3c1020519f0187.exe	78
PID 644 wrote to memory of 2144	644	d8e7f97bd29186b5aa3c1020519f0187.exe	80
PID 644 wrote to memory of 2144	644	d8e7f97bd29186b5aa3c1020519f0187.exe	80
PID 644 wrote to memory of 2144	644	d8e7f97bd29186b5aa3c1020519f0187.exe	80
PID 644 wrote to memory of 2144	644	d8e7f97bd29186b5aa3c1020519f0187.exe	80
PID 644 wrote to memory of 2144	644	d8e7f97bd29186b5aa3c1020519f0187.exe	80
PID 644 wrote to memory of 2144	644	d8e7f97bd29186b5aa3c1020519f0187.exe	80
PID 644 wrote to memory of 2144	644	d8e7f97bd29186b5aa3c1020519f0187.exe	80
PID 644 wrote to memory of 2144	644	d8e7f97bd29186b5aa3c1020519f0187.exe	80

C:\Users\Admin\AppData\Local\Temp\d8e7f97bd29186b5aa3c1020519f0187.exe
"C:\Users\Admin\AppData\Local\Temp\d8e7f97bd29186b5aa3c1020519f0187.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cmzcqHLQY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF86.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3356
- C:\Users\Admin\AppData\Local\Temp\d8e7f97bd29186b5aa3c1020519f0187.exe
  "C:\Users\Admin\AppData\Local\Temp\d8e7f97bd29186b5aa3c1020519f0187.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:2144

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/644-123-0x00000000074A0000-0x000000000753A000-memory.dmp

Download

memory/644-124-0x0000000009BA0000-0x0000000009BD8000-memory.dmp

Download

memory/644-119-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Download

memory/644-120-0x0000000002810000-0x00000000028A2000-memory.dmp

Download

memory/644-121-0x0000000004D80000-0x0000000004D93000-memory.dmp

Download

memory/644-122-0x0000000007080000-0x0000000007081000-memory.dmp

Download

memory/644-114-0x0000000000300000-0x0000000000301000-memory.dmp

Download

memory/644-118-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Download

memory/644-116-0x0000000005220000-0x0000000005221000-memory.dmp

Download

memory/644-117-0x0000000004C10000-0x0000000004C11000-memory.dmp

Download

memory/2144-127-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/2144-134-0x0000000005410000-0x000000000590E000-memory.dmp

Download

memory/2144-135-0x0000000005580000-0x0000000005581000-memory.dmp

Download

memory/2144-136-0x0000000006170000-0x0000000006171000-memory.dmp

Download