agenttesla | 22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366

General

Target

22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe
Size

213KB
MD5

c94a42b8695a8d1be0cd2f74181a5540
SHA1

c5ba25808dc86ed9c97dcc1b9defd9a83ad6b45e
SHA256

22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366
SHA512

d1f0859384434fc5242fd5df9744555af7b417a11df0869c3988f21de84211f423a40107c7a38d302a9d01f565206e389e0d7ef475e583dfa37c47b746b79474
SSDEEP

6144:GdnrsfHjPq+mmW8gIq3tHSQLBRG3B5+uh:fbP08gIs9SQFRGRoO

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.chimeneasinmacon.com
Port:
587
Username:
[email protected]
Password:
m4#Z{iP}xG)b
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

Loads dropped DLL 1 IoCs

pid	Process
1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
5	drive.google.com
4	drive.google.com

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
14	api.ipify.org
15	api.ipify.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
592	caspol.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe
592	caspol.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1108 set thread context of 592	1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe	30

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	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
592	caspol.exe
592	caspol.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	592	caspol.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 592	1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe	30
PID 1108 wrote to memory of 592	1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe	30
PID 1108 wrote to memory of 592	1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe	30
PID 1108 wrote to memory of 592	1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe	30
PID 1108 wrote to memory of 592	1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe	30
PID 1108 wrote to memory of 592	1108	22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe	30

C:\Users\Admin\AppData\Local\Temp\22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe
"C:\Users\Admin\AppData\Local\Temp\22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Users\Admin\AppData\Local\Temp\22b92fae173e6e53733f1c8eaac661d279551827cb76b1a944b05accde5e0366.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:592

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

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nseE5B0.tmp\System.dll

Filesize
11KB

MD5
55f18cafe28167995629fdeae4f07bdf

SHA1
a6bd9310f4408c86149993d1e8833d35dd16bb23

SHA256
e32b35cde7c6e2c967445de92884684db7fda506ea52b9aaa74c1a33dd2fdfe6

SHA512
113e7a9e1958bea6a045a7120adf6c667880b9b1d90ff7790e2004f3954f9358a5e44ceb6be0c3b32ff8e6a06878a0f22be7206d0b5a6c5392ca30b8c3bff8ce

Download Submit
memory/592-19-0x0000000077990000-0x0000000077B39000-memory.dmp

Filesize
1.7MB

Download
memory/592-20-0x0000000072F10000-0x0000000073F72000-memory.dmp

Filesize
16.4MB

Download
memory/592-40-0x0000000072F10000-0x0000000073F72000-memory.dmp

Filesize
16.4MB

Download
memory/592-41-0x00000000003C0000-0x000000000591B000-memory.dmp

Filesize
85.4MB

Download
memory/592-42-0x0000000072F10000-0x0000000072F50000-memory.dmp

Filesize
256KB

Download
memory/1108-17-0x0000000077991000-0x0000000077A92000-memory.dmp

Filesize
1.0MB

Download
memory/1108-18-0x0000000077990000-0x0000000077B39000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing