agenttesla | 6067bbc201b52eebb63d093b141fc2f077c599f3193193d15dcb417abc28d9e6

Analysis

max time kernel
124s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 13:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
Size

894KB
MD5

fc5ad4c3fa89721808fe2f27968dbad5
SHA1

d14fa7b1d4c4eedca11505bfe9da834991604bb4
SHA256

6067bbc201b52eebb63d093b141fc2f077c599f3193193d15dcb417abc28d9e6
SHA512

d35c02f8d5aca758aca2ac7a7249d68c3770f4175068b838af355d954aff2d32ff7bfa933093e0c989a27ef1b4946f83c0bcbce2661c05e3e45f1360d5fa4858
SSDEEP

12288:lyBL2jP6eP9K+iBBzoxiS+syJjUZTZ+SKX0uR0WTrb95ks6u:lyBL2jP6+KFjWv7K6ASeR/Tn9K

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.yitaipackaging.com
Port:
587
Username:
[email protected]
Password:
22799213

Signatures

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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe

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 3 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

Credentials from Web Browsers
T1555.003
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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gKWBf = "C:\\Users\\Admin\\AppData\\Roaming\\gKWBf\\gKWBf.exe"	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 4708	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	93

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	REG.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2268	REG.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
4708	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
4708	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
Token: SeDebugPrivilege	4708	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2964	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	91
PID 1932 wrote to memory of 2964	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	91
PID 1932 wrote to memory of 2964	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	91
PID 1932 wrote to memory of 4708	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	93
PID 1932 wrote to memory of 4708	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	93
PID 1932 wrote to memory of 4708	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	93
PID 1932 wrote to memory of 4708	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	93
PID 1932 wrote to memory of 4708	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	93
PID 1932 wrote to memory of 4708	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	93
PID 1932 wrote to memory of 4708	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	93
PID 1932 wrote to memory of 4708	1932	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	93
PID 4708 wrote to memory of 2268	4708	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	94
PID 4708 wrote to memory of 2268	4708	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	94
PID 4708 wrote to memory of 2268	4708	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XkrjRuR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2964
- C:\Users\Admin\AppData\Local\Temp\fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:4708
- - C:\Windows\SysWOW64\REG.exe
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fc5ad4c3fa89721808fe2f27968dbad5_JaffaCakes118.exe.log

Filesize
412B

MD5
e72888b5960716cf170f3e1becd14370

SHA1
0aeefd2d4a7948a03aad625ca86fc34d79adf248

SHA256
8317f594f74040b50e1b88f4aba5e6da3423bf47fe91df59e6e85f37b1f7e0ab

SHA512
9cdfda6fc4f324dfd8d53b46610114252431a5d26296a6f3d606b8ffeef172263fbde9ce0a1b2b9232dabcdabd33d6677e9a5f7693b175f24cea622c31b5c6b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF5D.tmp

Filesize
1KB

MD5
ffaa7d5d6370208d26f2243a6e219374

SHA1
ea6d3298a62efa22dba1d64bcaada91fd4f3e35e

SHA256
5dc3d5d506b7e0c6c19b67884f26b0e4c83b95d4ae08b42d9d5463ec6cd49c86

SHA512
414801ec2ff781320f67fd6e25e0b860aa17038edee20d9bc08229343f9da8f72ef70d7f92185a67d84553df34be2fce29dd138ebf33f1abe7ef286d550b8f3b

Download Submit
memory/1932-16-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/1932-1-0x0000000000FF0000-0x00000000010D6000-memory.dmp

Filesize
920KB

Download
memory/1932-2-0x0000000005A20000-0x0000000005ABC000-memory.dmp

Filesize
624KB

Download
memory/1932-3-0x0000000003370000-0x0000000003382000-memory.dmp

Filesize
72KB

Download
memory/1932-4-0x0000000005B80000-0x0000000005C12000-memory.dmp

Filesize
584KB

Download
memory/1932-5-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/1932-6-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/1932-7-0x0000000006210000-0x00000000062B2000-memory.dmp

Filesize
648KB

Download
memory/1932-8-0x0000000008790000-0x000000000882A000-memory.dmp

Filesize
616KB

Download
memory/1932-0-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/4708-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4708-15-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/4708-17-0x00000000060B0000-0x0000000006654000-memory.dmp

Filesize
5.6MB

Download
memory/4708-18-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/4708-19-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/4708-20-0x0000000005AB0000-0x0000000005AC8000-memory.dmp

Filesize
96KB

Download
memory/4708-21-0x00000000067A0000-0x0000000006806000-memory.dmp

Filesize
408KB

Download
memory/4708-23-0x0000000007060000-0x00000000070B0000-memory.dmp

Filesize
320KB

Download
memory/4708-25-0x0000000006BF0000-0x0000000006BFA000-memory.dmp

Filesize
40KB

Download
memory/4708-26-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/4708-27-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download