agenttesla | aafc668d03f2fa59132b86a640f41eac2d2221053152524d99fcc61b7a56c5e4

General

Target

tmp.exe
Size

266KB
MD5

0e06a0f67647db74c0b6719b6c892f2a
SHA1

da7c7f0abaa2044c031c3916154fc19405fbcc74
SHA256

aafc668d03f2fa59132b86a640f41eac2d2221053152524d99fcc61b7a56c5e4
SHA512

d5545ef0c9b140eb9cecc510643f24157e21b8e13e3a04908500b0cc22b41f6140c519de5c644e50ea108b9ee84eb1efd76449d6c44c9a361ebce79b3be76696
SSDEEP

6144:vYa6C8IkNwFnB8Qc4wa25gd+iwzSp4nxs+fcTws3R:vYk8IrFnTc4b25biCSWu+UcmR

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1932	tmp.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	tmp.exe

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
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 1544	1932	tmp.exe	28

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1544	tmp.exe
1544	tmp.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1932	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1544	tmp.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1544	1932	tmp.exe	28
PID 1932 wrote to memory of 1544	1932	tmp.exe	28
PID 1932 wrote to memory of 1544	1932	tmp.exe	28
PID 1932 wrote to memory of 1544	1932	tmp.exe	28
PID 1932 wrote to memory of 1544	1932	tmp.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsi7D0.tmp\dqzbh.dll

Filesize
5KB

MD5
9db211318b31c9c4126670dae9d544e0

SHA1
be41949bc9096526a66d51545f81275252b91e97

SHA256
ec14ceb776845a162ed79403a2c0c9728869d39c6bdc9f4f1c05899c36c76676

SHA512
505e9b32a7b53d95ea9d13f91abf831c6a7e6e00f287acfb4cbca57477c3ae9b36a898429e02b6b000b35da5ad774dfae3ec7bcce4368a5e086d7ba861ba12fb

Download Submit
memory/1544-62-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1544-64-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1544-65-0x0000000000550000-0x0000000000580000-memory.dmp

Filesize
192KB

Download
memory/1544-66-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1544-67-0x0000000004750000-0x0000000004790000-memory.dmp

Filesize
256KB

Download

Analysis

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