agenttesla | f6e1d512e3da60314732745faefb71123ec48154575d3b621546fc55e78e7a3c

General

Target

Q0001DA.exe
Size

791KB
MD5

0cbe236bd971b3c66eae0105b9d1b963
SHA1

16a54302d3404dd169d90bb0b82922d6aabb35cd
SHA256

f6e1d512e3da60314732745faefb71123ec48154575d3b621546fc55e78e7a3c
SHA512

b4a72096a160530fbe629e0a800ebcad7ac7c479ce9774772e7d5847292e63d270f8cd26f8027dadf4ea593e96430a0380b181ea286939fd74d63c22d735a448

Score

10^/10

agenttesla keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
Mix2lower12?..

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
behavioral1/memory/1404-5-0x0000000000400000-0x00000000004A5000-memory.dmp	family_agenttesla
behavioral1/memory/1404-6-0x0000000001D10000-0x0000000001D5C000-memory.dmp	family_agenttesla
behavioral1/memory/1404-8-0x0000000001C20000-0x0000000001C67000-memory.dmp	family_agenttesla

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1404-2-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral1/memory/1404-4-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral1/memory/1404-5-0x0000000000400000-0x00000000004A5000-memory.dmp	upx

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Q0001DA.vbs	notepad.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1312 set thread context of 1404	1312	Q0001DA.exe	25

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1312	Q0001DA.exe
1404	Q0001DA.exe
1404	Q0001DA.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1312	Q0001DA.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	Q0001DA.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 1280	1312	Q0001DA.exe	24
PID 1312 wrote to memory of 1280	1312	Q0001DA.exe	24
PID 1312 wrote to memory of 1280	1312	Q0001DA.exe	24
PID 1312 wrote to memory of 1280	1312	Q0001DA.exe	24
PID 1312 wrote to memory of 1280	1312	Q0001DA.exe	24
PID 1312 wrote to memory of 1280	1312	Q0001DA.exe	24
PID 1312 wrote to memory of 1404	1312	Q0001DA.exe	25
PID 1312 wrote to memory of 1404	1312	Q0001DA.exe	25
PID 1312 wrote to memory of 1404	1312	Q0001DA.exe	25
PID 1312 wrote to memory of 1404	1312	Q0001DA.exe	25

C:\Users\Admin\AppData\Local\Temp\Q0001DA.exe
"C:\Users\Admin\AppData\Local\Temp\Q0001DA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  PID:1280
- C:\Users\Admin\AppData\Local\Temp\Q0001DA.exe
  "C:\Users\Admin\AppData\Local\Temp\Q0001DA.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1404

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1280-1-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1404-2-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1404-4-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1404-5-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1404-6-0x0000000001D10000-0x0000000001D5C000-memory.dmp

Filesize
304KB

Download
memory/1404-7-0x0000000001CB2000-0x0000000001CB3000-memory.dmp

Filesize
4KB

Download
memory/1404-8-0x0000000001C20000-0x0000000001C67000-memory.dmp

Filesize
284KB

Download

Analysis

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