agenttesla | 37a4202e64f88ef928f46cdb05653527a1201aaffd431022eececff19348515b

General

Target

2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe
Size

714KB
MD5

2689e0bd727c85849f786822b360cd28
SHA1

ae242d8709f588cc91f9ab814a5efeb6c1a160bc
SHA256

37a4202e64f88ef928f46cdb05653527a1201aaffd431022eececff19348515b
SHA512

ec9c70bdecb75045f4ccdc7b25454f4a2add25f42c53bb73d4aaeed3baad0bdcf4346e6901bc498e6cfde97c58db4d2df21de9ac3b13de79eddafe9bd06ed695
SSDEEP

12288:24jGha4fxBa4wlDKffkMZvhxgnjeQZbzO/p1nZeeIItJ8HzYsX8q:2KlaBa1sMMZvIniOzOh1nwIQH0G

Score

10^/10

agenttesla collection keylogger spyware stealer trojan upx

Malware Config

Signatures

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

AgentTesla payload 6 IoCs

resource	yara_rule
behavioral1/memory/1736-10-0x0000000000400000-0x0000000000486000-memory.dmp	family_agenttesla
behavioral1/memory/1736-12-0x0000000000360000-0x000000000039C000-memory.dmp	family_agenttesla
behavioral1/memory/1736-11-0x0000000000360000-0x000000000039C000-memory.dmp	family_agenttesla
behavioral1/memory/1736-7-0x0000000000400000-0x0000000000486000-memory.dmp	family_agenttesla
behavioral1/memory/1736-23-0x0000000000400000-0x0000000000486000-memory.dmp	family_agenttesla
behavioral1/memory/1736-24-0x0000000000400000-0x0000000000486000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1736-3-0x0000000000400000-0x0000000000486000-memory.dmp	upx
behavioral1/memory/1736-10-0x0000000000400000-0x0000000000486000-memory.dmp	upx
behavioral1/memory/1736-7-0x0000000000400000-0x0000000000486000-memory.dmp	upx
behavioral1/memory/1736-8-0x0000000000400000-0x0000000000486000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3016 set thread context of 1736	3016	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3016	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe
1736	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe
1736	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3016	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 1736	3016	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe	28
PID 3016 wrote to memory of 1736	3016	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe	28
PID 3016 wrote to memory of 1736	3016	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe	28
PID 3016 wrote to memory of 1736	3016	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2689e0bd727c85849f786822b360cd28_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1736-3-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1736-10-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1736-12-0x0000000000360000-0x000000000039C000-memory.dmp

Filesize
240KB

Download
memory/1736-11-0x0000000000360000-0x000000000039C000-memory.dmp

Filesize
240KB

Download
memory/1736-7-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1736-8-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1736-23-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1736-24-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3016-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/3016-1-0x00000000004E0000-0x00000000004F0000-memory.dmp

Filesize
64KB

Download
memory/3016-2-0x00000000004E0000-0x00000000004F0000-memory.dmp

Filesize
64KB

Download
memory/3016-4-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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