agenttesla | d6bb535225fe3c65b332388ee1ddfc2487160ffeaa6fb55a88091ce72e16a536

General

Target

a30ad0cf60c1527b848ded00c2c6bea0N.exe
Size

553KB
MD5

a30ad0cf60c1527b848ded00c2c6bea0
SHA1

344aed764300eb67fb6ea658442714700b228653
SHA256

d6bb535225fe3c65b332388ee1ddfc2487160ffeaa6fb55a88091ce72e16a536
SHA512

45a0c4e86dfeb6554550a4cf6106ecba8b1f6108c4fee79929ee3131b70c34cfa2f01a66252faf9c5b99386e3a5e8e8c2ca608e7e32c74382984b3977c83c880
SSDEEP

12288:VYV6MorX7qzuC3QHO9FQVHPF51jgc3t5Zd1WaDFVnt:KBXu9HGaVH3bs+vt

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.controlfire.com.mx
Port:
21
Username:
[email protected]
Password:
0a4XlE=4t8mz

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3284-0-0x0000000000AB0000-0x0000000000BF1000-memory.dmp	upx
behavioral2/memory/3284-15-0x0000000000AB0000-0x0000000000BF1000-memory.dmp	upx

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
7	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3284-15-0x0000000000AB0000-0x0000000000BF1000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3284 set thread context of 5656	3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe	93

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	a30ad0cf60c1527b848ded00c2c6bea0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5656	RegSvcs.exe
5656	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe
3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5656	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe
3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe
3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 5656	3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe	93
PID 3284 wrote to memory of 5656	3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe	93
PID 3284 wrote to memory of 5656	3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe	93
PID 3284 wrote to memory of 5656	3284	a30ad0cf60c1527b848ded00c2c6bea0N.exe	93

C:\Users\Admin\AppData\Local\Temp\a30ad0cf60c1527b848ded00c2c6bea0N.exe
"C:\Users\Admin\AppData\Local\Temp\a30ad0cf60c1527b848ded00c2c6bea0N.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:3284
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\a30ad0cf60c1527b848ded00c2c6bea0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5656

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4768,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
1⤵
PID:1880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

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/3284-15-0x0000000000AB0000-0x0000000000BF1000-memory.dmp

Filesize
1.3MB

Download
memory/3284-12-0x0000000002920000-0x0000000002924000-memory.dmp

Filesize
16KB

Download
memory/3284-0-0x0000000000AB0000-0x0000000000BF1000-memory.dmp

Filesize
1.3MB

Download
memory/5656-18-0x0000000004F00000-0x0000000004F66000-memory.dmp

Filesize
408KB

Download
memory/5656-16-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/5656-17-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/5656-13-0x0000000000750000-0x0000000000792000-memory.dmp

Filesize
264KB

Download
memory/5656-19-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/5656-20-0x0000000006310000-0x0000000006360000-memory.dmp

Filesize
320KB

Download
memory/5656-21-0x0000000006400000-0x0000000006492000-memory.dmp

Filesize
584KB

Download
memory/5656-22-0x0000000006390000-0x000000000639A000-memory.dmp

Filesize
40KB

Download
memory/5656-23-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/5656-24-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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