agenttesla | b14f41c4f83029cffe92e95429c9facb34c7f7b0378d61e7dbad92415f6abb58

General

Target

fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe
Size

340KB
MD5

fee11a3f1479f945ae579edc4dfffd15
SHA1

b981e3698680302ec9695127f88112da593317b7
SHA256

b14f41c4f83029cffe92e95429c9facb34c7f7b0378d61e7dbad92415f6abb58
SHA512

33f6a9ccb570789861ee470fbbe9d7cf6e4de711717fee1e1bf98b229516826c1929c50818a6f2ff3c352fbd58cabb9f8c3dfd7d681f3ecde82a5f9e811b9477
SSDEEP

6144:32kYMHGE6rv7pw22PtFT7hILX5GzeCS6iuEGxhXenZyrO4T2OvtGbgg2h4Ti:GIFl9Y2eCS6qeenkCZbgMG

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
JuCbr%o3

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2116-5-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 2116	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	92

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	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe
2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe
2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe
2116	RegSvcs.exe
2116	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe
Token: SeDebugPrivilege	2116	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 4364	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	91
PID 2868 wrote to memory of 4364	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	91
PID 2868 wrote to memory of 4364	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	91
PID 2868 wrote to memory of 2116	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	92
PID 2868 wrote to memory of 2116	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	92
PID 2868 wrote to memory of 2116	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	92
PID 2868 wrote to memory of 2116	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	92
PID 2868 wrote to memory of 2116	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	92
PID 2868 wrote to memory of 2116	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	92
PID 2868 wrote to memory of 2116	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	92
PID 2868 wrote to memory of 2116	2868	fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fee11a3f1479f945ae579edc4dfffd15_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  PID:4364
- 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:2116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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/2116-6-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2116-13-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2116-12-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2116-11-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2116-9-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2116-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2116-7-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2868-3-0x0000000074C42000-0x0000000074C43000-memory.dmp

Filesize
4KB

Download
memory/2868-4-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2868-10-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2868-0-0x0000000074C42000-0x0000000074C43000-memory.dmp

Filesize
4KB

Download
memory/2868-2-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2868-1-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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