agenttesla | ee1c143dfd43e7f8bd7c3ef297c33627659b89399aee0c87be8d5f55100a80cb

General

Target

f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
Size

658KB
MD5

f0cd6c6c9a2b0a10f046f758ce556733
SHA1

cd86f791349612edf05567811371af7861d4d6a3
SHA256

ee1c143dfd43e7f8bd7c3ef297c33627659b89399aee0c87be8d5f55100a80cb
SHA512

b2dd00d48e5db398d519dbb2a78673d09505ac60fbb53e13f1f1cc3fe96329734b752eea5b5ab21bcb4ef9a96949a306b83146bbca6498c05c7534a60a35ab1d
SSDEEP

12288:3I7VCfPCIgcKof9pgUVWBoUaCwXZV+bmmT2GHKSuZTTP7jbu0sGa/P8So0xMjvLe:3I7QygfPgUVWiUaCU0mo2khwvLe

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rapidmail.ec
Port:
587
Username:
[email protected]
Password:
icui4cu2@@
Email To:
[email protected]

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/2840-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2840-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2840-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2840-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2840-12-0x0000000000400000-0x000000000043C000-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
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31

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	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
2840	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
2840	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
Token: SeDebugPrivilege	2840	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31
PID 2672 wrote to memory of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31
PID 2672 wrote to memory of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31
PID 2672 wrote to memory of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31
PID 2672 wrote to memory of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31
PID 2672 wrote to memory of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31
PID 2672 wrote to memory of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31
PID 2672 wrote to memory of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31
PID 2672 wrote to memory of 2840	2672	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0cd6c6c9a2b0a10f046f758ce556733_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:2672
- C:\Users\Admin\AppData\Local\Temp\f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f0cd6c6c9a2b0a10f046f758ce556733_JaffaCakes118.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

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2672-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/2672-1-0x0000000000D80000-0x0000000000E2C000-memory.dmp

Filesize
688KB

Download
memory/2672-2-0x0000000000CA0000-0x0000000000D2E000-memory.dmp

Filesize
568KB

Download
memory/2672-3-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-4-0x0000000000620000-0x0000000000632000-memory.dmp

Filesize
72KB

Download
memory/2672-5-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/2672-6-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-7-0x00000000054C0000-0x0000000005520000-memory.dmp

Filesize
384KB

Download
memory/2672-21-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-22-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-23-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-24-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-25-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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