agenttesla | c019898749d270142cdd678c69e6adb31f328b16fd7c40166644eb8bcac7f15e

General

Target

Invoice.exe
Size

680KB
MD5

e0d2b0152e85cc80c38f9ee1e2726091
SHA1

3bdc9346620798e6c7906cd652573ac5d62aa67a
SHA256

c019898749d270142cdd678c69e6adb31f328b16fd7c40166644eb8bcac7f15e
SHA512

4115fb1bc0c48ba795c171bd9eebac61209ff285a2194be2d314d9f91741b1648cf1c0980db2ff89e54697ca0cb0e9244e331d231408332408aae52afb992902

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:
HYBRID@@@

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/1648-3-0x0000000000400000-0x00000000004A4000-memory.dmp	family_agenttesla
behavioral2/memory/1648-4-0x0000000002190000-0x00000000021DC000-memory.dmp	family_agenttesla

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1648-0-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral2/memory/1648-2-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral2/memory/1648-3-0x0000000000400000-0x00000000004A4000-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 4004 set thread context of 1648	4004	Invoice.exe	66

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4004	Invoice.exe
4004	Invoice.exe
1648	Invoice.exe
1648	Invoice.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4004	Invoice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	Invoice.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 1648	4004	Invoice.exe	66
PID 4004 wrote to memory of 1648	4004	Invoice.exe	66
PID 4004 wrote to memory of 1648	4004	Invoice.exe	66

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Users\Admin\AppData\Local\Temp\Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1648

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/1648-0-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/1648-2-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/1648-3-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/1648-4-0x0000000002190000-0x00000000021DC000-memory.dmp

Filesize
304KB

Download
memory/1648-5-0x0000000000752000-0x0000000000753000-memory.dmp

Filesize
4KB

Download

Analysis

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