agenttesla | a081eb47ad3e8311e319f89967ee6e4900bbde99654e4a489e080fbf5a5f6a26

General

Target

Wiffle.exe
Size

993KB
MD5

8f8a92a532dadc1b18c0e00acf13c5c4
SHA1

08ca73d684aacff6ed5d20fa389eacaa87ecc5b1
SHA256

8230825616996b27eb6038c8a50d641f823388fa3b9e68a81b210e9fffb19ff9
SHA512

9a3c06449756a86e2f6d066858945cd51c72ef11da117a6deec75a069ed98e5ccb4afb7d4a5d5b5e5104cf51315db1781284846b9acd67e144db054909f7b056
SSDEEP

12288:6siFwjF/dKa+LhuikYEgciMKFnApF8T3glJQWPuQES4I+5jgrwiis:Fjs1ggciMKFApuTglmW23S4Hgre

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cp8nl.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$
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
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2272	2736	Wiffle.exe	28

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2272	Wiffle.exe
2272	Wiffle.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2272	Wiffle.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2272	2736	Wiffle.exe	28
PID 2736 wrote to memory of 2272	2736	Wiffle.exe	28
PID 2736 wrote to memory of 2272	2736	Wiffle.exe	28
PID 2736 wrote to memory of 2272	2736	Wiffle.exe	28
PID 2736 wrote to memory of 2272	2736	Wiffle.exe	28
PID 2736 wrote to memory of 2272	2736	Wiffle.exe	28
PID 2736 wrote to memory of 2272	2736	Wiffle.exe	28
PID 2736 wrote to memory of 2272	2736	Wiffle.exe	28
PID 2736 wrote to memory of 2272	2736	Wiffle.exe	28

C:\Users\Admin\AppData\Local\Temp\Wiffle.exe
"C:\Users\Admin\AppData\Local\Temp\Wiffle.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\Wiffle.exe
  "C:\Users\Admin\AppData\Local\Temp\Wiffle.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2272

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

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2272-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2272-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2272-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2272-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2272-18-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2272-17-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2272-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2272-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2272-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2272-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2272-15-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-1-0x0000000000FA0000-0x000000000109E000-memory.dmp

Filesize
1016KB

Download
memory/2736-0-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/2736-16-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-2-0x0000000000440000-0x0000000000488000-memory.dmp

Filesize
288KB

Download
memory/2736-14-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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