agenttesla

General

Target

ungziped_file.exe
Size

504KB
Sample

230403-gm2zdsee41
MD5

4e779addb4aeb32182ad139fdf0b5045
SHA1

8313c21225aaaa03d09947843d44e33d3e513257
SHA256

4da86275e812956ff0873926fc947334e4a398a623241028babaabf252a2ea0e
SHA512

a603d57a958c815c5c353fb18c150325bd614ab2b708ceadce6677f6dc5cd324ce668e90edfa5e23113604d43764a639daac7f1d73cf93236eee93cba08f63bc
SSDEEP

12288:nz9GxaChlC3qKOcVbNUW+YCt/JSyhtrVtYHe4P1vg:cC3iKNUWuSyhtTYH7P1g

Score

10^/10

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.homesteadgroove.com
Port:
21
Username:
[email protected]
Password:
430M=DwOtIfm

Targets

- Target
  
  ungziped_file.exe
- Size
  
  504KB
- MD5
  
  4e779addb4aeb32182ad139fdf0b5045
- SHA1
  
  8313c21225aaaa03d09947843d44e33d3e513257
- SHA256
  
  4da86275e812956ff0873926fc947334e4a398a623241028babaabf252a2ea0e
- SHA512
  
  a603d57a958c815c5c353fb18c150325bd614ab2b708ceadce6677f6dc5cd324ce668e90edfa5e23113604d43764a639daac7f1d73cf93236eee93cba08f63bc
- SSDEEP
  
  12288:nz9GxaChlC3qKOcVbNUW+YCt/JSyhtrVtYHe4P1vg:cC3iKNUWuSyhtTYH7P1g
Score

10^/10

agenttesla guloader collection downloader keylogger spyware stealer trojan
- AgentTesla
  Agent Tesla is a remote access tool (RAT) written in visual basic.
  keylogger trojan stealer spyware agenttesla
- Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- Checks QEMU agent file
  Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
  collection
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Tasks

Sharing

General

Malware Config

Extracted

Targets

Guloader,Cloudeye

Checks QEMU agent file

Loads dropped DLL

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Drops file in System32 directory

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2