agenttesla | a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c

General

Target

a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe
Size

824KB
MD5

879db61c2d268fddfe7c404b73d98ab0
SHA1

a4dd97f956ef2ab80ce7ccde0074709956ef3ac0
SHA256

a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c
SHA512

5f7e8f5e6bd440f4ee88ef23d9191759cc68134b061097bcfab231853ab43bd1484e5987af1854400ef5dcefe80285ab5c3ab651b8bba3c1db5640abe923b8b1
SSDEEP

12288:46Wq4aaE6KwyF5L0Y2D1PqLZXDnsFswVZHKGHOtOGsB34KnszWOL9kLosHiRzNn:OthEVaPqLZX7Ss0ZH9dGsBIKn8OoNZNn

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.stingatoareincendii.ro
Port:
21
Username:
[email protected]
Password:
3.*RYhlG)lkA

Signatures

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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
13	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4592-5-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4592 set thread context of 4752	4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe	85

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4592-0-0x0000000000400000-0x00000000004E2000-memory.dmp	upx
behavioral2/memory/4592-5-0x0000000000400000-0x00000000004E2000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4752	RegSvcs.exe
4752	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4752	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe
4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe
4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 4752	4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe	85
PID 4592 wrote to memory of 4752	4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe	85
PID 4592 wrote to memory of 4752	4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe	85
PID 4592 wrote to memory of 4752	4592	a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe	85

C:\Users\Admin\AppData\Local\Temp\a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe
"C:\Users\Admin\AppData\Local\Temp\a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\a8644197f21de0be68163e7cb5236cdce1fe5c6c51135657b6ab6ce9b3f61b9c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4592-5-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/4592-3-0x00000000040E0000-0x00000000042E0000-memory.dmp

Filesize
2.0MB

Download
memory/4592-0-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/4752-8-0x0000000005280000-0x00000000052E6000-memory.dmp

Filesize
408KB

Download
memory/4752-6-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/4752-7-0x0000000005630000-0x0000000005BD4000-memory.dmp

Filesize
5.6MB

Download
memory/4752-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4752-9-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4752-10-0x0000000006580000-0x00000000065D0000-memory.dmp

Filesize
320KB

Download
memory/4752-11-0x0000000006670000-0x0000000006702000-memory.dmp

Filesize
584KB

Download
memory/4752-12-0x0000000006600000-0x000000000660A000-memory.dmp

Filesize
40KB

Download
memory/4752-13-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/4752-14-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download

Analysis

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