agenttesla | 18a41b50c8885afe4978787aa8c44601134838f73f66e7edc520bad7d76bfad2

General

Target

Invoice approved.pdf.exe
Size

676KB
MD5

dec84f6b8adf05075f43025708c0ccaa
SHA1

d8ed043b7b4057670dfbd7d7c8039fcb0f5de792
SHA256

18a41b50c8885afe4978787aa8c44601134838f73f66e7edc520bad7d76bfad2
SHA512

aaa3becc54d34d5ee1f884a527a1f73afbd774b72fc7d46106a87c4c08397447c3e2bae16275e5bc0b841ee332efd169fd12a9e4d021dbef086c69225e431cb9

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:
kingmoney12345

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1104-1-0x00000000004A2610-mapping.dmp	family_agenttesla
behavioral1/memory/1104-3-0x0000000000400000-0x00000000004A4000-memory.dmp	family_agenttesla
behavioral1/memory/1104-4-0x0000000000390000-0x00000000003DC000-memory.dmp	family_agenttesla
behavioral1/memory/1104-6-0x0000000000220000-0x0000000000266000-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/1104-0-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral1/memory/1104-2-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral1/memory/1104-3-0x0000000000400000-0x00000000004A4000-memory.dmp	upx

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 1044 set thread context of 1104	1044	Invoice approved.pdf.exe	24

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1044	Invoice approved.pdf.exe
1104	Invoice approved.pdf.exe
1104	Invoice approved.pdf.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1044	Invoice approved.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	Invoice approved.pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 1104	1044	Invoice approved.pdf.exe	24
PID 1044 wrote to memory of 1104	1044	Invoice approved.pdf.exe	24
PID 1044 wrote to memory of 1104	1044	Invoice approved.pdf.exe	24
PID 1044 wrote to memory of 1104	1044	Invoice approved.pdf.exe	24

C:\Users\Admin\AppData\Local\Temp\Invoice approved.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice approved.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Users\Admin\AppData\Local\Temp\Invoice approved.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice approved.pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1104

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/1104-0-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/1104-2-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/1104-3-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/1104-4-0x0000000000390000-0x00000000003DC000-memory.dmp

Filesize
304KB

Download
memory/1104-5-0x0000000001FA2000-0x0000000001FA3000-memory.dmp

Filesize
4KB

Download
memory/1104-6-0x0000000000220000-0x0000000000266000-memory.dmp

Filesize
280KB

Download

Analysis

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