agenttesla | 7c7ce4a65537e030d65181b5e29ef6616e4e084723c3ebfc813d6a480392e4f7

General

Target

ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe
Size

297KB
MD5

ece6af58d537a911d5f7b5e983ec821e
SHA1

a1d812fd9b96f5260e450689944801a63a6cc056
SHA256

7c7ce4a65537e030d65181b5e29ef6616e4e084723c3ebfc813d6a480392e4f7
SHA512

f1d49092f3387a6f322b189f5e4626a5f09bbb662eff7a61b86a570fd2a9a49c385e1350bef1605d093eff5abf41b9f7ec2e32882b1e43ada1a929f81f5062cc
SSDEEP

6144:+J4exZHiQw4ES8fcQAq4s3F3q290tvsY41C7UFbEba7teI:+OexZH/HcN90tvs5CO17sI

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1611823422:AAE2tV5jSK2FOUbFQRNzZUsuQBkBGzgEX5U/sendDocument

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2168-3-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 2168	1656	ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe	82

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	ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2168	MSBuild.exe
2168	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1656	ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2168	MSBuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2168	1656	ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe	82
PID 1656 wrote to memory of 2168	1656	ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe	82
PID 1656 wrote to memory of 2168	1656	ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe	82
PID 1656 wrote to memory of 2168	1656	ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\ece6af58d537a911d5f7b5e983ec821e_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

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/1656-1-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

Filesize
1024KB

Download
memory/1656-2-0x0000000002BF0000-0x0000000002BF2000-memory.dmp

Filesize
8KB

Download
memory/2168-3-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2168-4-0x00000000754D2000-0x00000000754D3000-memory.dmp

Filesize
4KB

Download
memory/2168-5-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/2168-6-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/2168-7-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/2168-8-0x00000000754D2000-0x00000000754D3000-memory.dmp

Filesize
4KB

Download
memory/2168-9-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/2168-10-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/2168-11-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/2168-12-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download

Analysis

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