agenttesla | 01f872c387017a3d557af1267c771afcc5db55420c53c1367b8d88f137a8e5d7

General

Target

d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe
Size

613KB
MD5

d5c24009c08ca3a3947c816adfa67ec9
SHA1

5d4a36adaf7dcd92547bd32b90d1ecd2da7ffaaf
SHA256

01f872c387017a3d557af1267c771afcc5db55420c53c1367b8d88f137a8e5d7
SHA512

5946326d44d2000670a9bc9af35f8a1a606444a24f6b78928b1553f9e0875482ba59e8d0afccc785c6909d1b0028c86b814361b802b407ebe4664bff07b326c0
SSDEEP

12288:OH9Lv2zv1gklQ/b6Ig4eNgurxylZVYTDH1Qk9dZP:OHw2k6g4YNylXuH1z9dZP

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
js}$_IlwF1q4

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2840-10-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/2840-13-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/2840-17-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/2840-15-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/2840-9-0x0000000000400000-0x000000000044A000-memory.dmp	family_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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30

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	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2840	RegSvcs.exe
2840	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2840	2720	d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5c24009c08ca3a3947c816adfa67ec9_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2840

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2720-0-0x0000000074011000-0x0000000074012000-memory.dmp

Filesize
4KB

Download
memory/2720-1-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-2-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-3-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-4-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-19-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-15-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2840-17-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2840-13-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2840-10-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2840-18-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2840-9-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2840-5-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2840-21-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-20-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-22-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-23-0x0000000074010000-0x00000000745BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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