agenttesla | 455649189a1cfad01fcbb626a27061c25c610851c80d74e527dfbbf29617b553

General

Target

fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe
Size

583KB
MD5

d6f99a0cc11e32ea897bc97a319748ab
SHA1

006a848fd606c3799ef9ec23ff47fbb81900bc74
SHA256

fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409
SHA512

dc1af6b89f41a83d9eb84304fb1e9dff8e62de312f6c1245f1d0850bebd0596ab99e3548df6b36d9db7bb953882c745ee8a94cc4a9258b447fc5dec0ffa9b621
SSDEEP

12288:TXe9PPlowWX0t6mOQwg1Qd15CcYk0We1FY/Hd2sQIsXSBBCWENB:6hloDX0XOf4Kd2EsCjCW+B

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahesh-ent.com
Port:
587
Username:
[email protected]
Password:
M@hesh3981
Email To:
[email protected]

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/2456-0-0x0000000000190000-0x00000000002E4000-memory.dmp	upx
behavioral2/memory/2456-10-0x0000000000190000-0x00000000002E4000-memory.dmp	upx

Looks up external IP address via web service 2 IoCs

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

flow	ioc
12	api.ipify.org
13	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2456-10-0x0000000000190000-0x00000000002E4000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2456 set thread context of 1920	2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe	86

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	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1920	RegSvcs.exe
1920	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe
2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe
2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1920	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 1920	2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe	86
PID 2456 wrote to memory of 1920	2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe	86
PID 2456 wrote to memory of 1920	2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe	86
PID 2456 wrote to memory of 1920	2456	fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe	86

C:\Users\Admin\AppData\Local\Temp\fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe
"C:\Users\Admin\AppData\Local\Temp\fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.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:2456
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1920

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 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/1920-16-0x0000000006A30000-0x0000000006AC2000-memory.dmp

Filesize
584KB

Download
memory/1920-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1920-11-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/1920-12-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/1920-13-0x0000000005510000-0x0000000005576000-memory.dmp

Filesize
408KB

Download
memory/1920-14-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1920-15-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/1920-17-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

Filesize
40KB

Download
memory/1920-18-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/1920-19-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2456-7-0x0000000000C70000-0x0000000001070000-memory.dmp

Filesize
4.0MB

Download
memory/2456-10-0x0000000000190000-0x00000000002E4000-memory.dmp

Filesize
1.3MB

Download
memory/2456-0-0x0000000000190000-0x00000000002E4000-memory.dmp

Filesize
1.3MB

Download

Analysis

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