agenttesla | d3b4d1d6967dc546595b8db2fe40460a396b6ce6993b22feb910cbd34dad55c2

General

Target

fcb7868c9fc0f299bccba49682692ff4_JaffaCakes118.ps1
Size

834KB
MD5

fcb7868c9fc0f299bccba49682692ff4
SHA1

b908a3b963fc2e8be68160ce7a1d3ac1f57bd093
SHA256

d3b4d1d6967dc546595b8db2fe40460a396b6ce6993b22feb910cbd34dad55c2
SHA512

b38dce1f633f7ea0c77f8ed194adef36ca17d465a726f53606146ed35da0fab49c3f2f95a51df8228f8df836f3cfba040551b22ebb53b14b9f69166fee1831c8
SSDEEP

12288:BMzjp6rDt3IXxyX0wmKq+DBHXpGWRfN25scSDMUKogSE1Na6h7FQkmZBe2zaP7o5:Sjp6rdIXsp93P25R/UVoa6h7FQkKe2kE

Score

10^/10

agenttesla collection credential_access discovery execution 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 1 IoCs

resource	yara_rule
behavioral1/memory/2960-23-0x000000000ACB0000-0x000000000AD06000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

pid	Process
2960	pqe.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pqe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pqe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pqe.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000004e74-13.dat	upx
behavioral1/memory/2960-14-0x0000000000400000-0x00000000004E7000-memory.dmp	upx
behavioral1/memory/2960-17-0x0000000000400000-0x00000000004E7000-memory.dmp	upx
behavioral1/memory/2960-18-0x0000000000400000-0x00000000004E7000-memory.dmp	upx
behavioral1/memory/2960-19-0x0000000000400000-0x00000000004E7000-memory.dmp	upx
behavioral1/memory/2960-20-0x0000000000400000-0x00000000004E7000-memory.dmp	upx
behavioral1/memory/2960-28-0x0000000000400000-0x00000000004E7000-memory.dmp	upx

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1868	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	pqe.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1868	powershell.exe
2960	pqe.exe
2960	pqe.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	powershell.exe
Token: SeDebugPrivilege	2960	pqe.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2960	pqe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2960	1868	powershell.exe	31
PID 1868 wrote to memory of 2960	1868	powershell.exe	31
PID 1868 wrote to memory of 2960	1868	powershell.exe	31
PID 1868 wrote to memory of 2960	1868	powershell.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pqe.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pqe.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\fcb7868c9fc0f299bccba49682692ff4_JaffaCakes118.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Users\Public\pqe.exe
  "C:\Users\Public\pqe.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - outlook_office_path
  - outlook_win_path
  PID:2960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

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

C:\Users\Public\pqe.exe

Filesize
595KB

MD5
f338256b41af4fb63aef4896661f701c

SHA1
374df865c10d857514790dfef14ce4639f07e807

SHA256
7f28b3be443d1f5a7a6bf072b6544724f884922d23372ea17255f2df93cce5cc

SHA512
6352f46d84c93eb6d7359be60677ca8a3b8924720a3731f5d0c519c5a7449de4d1700ab4c8bbdc6e7d2de1e53c8dfe8e4c5ab92d2a73d8f4a3a11226769ae34a

Download Submit
memory/1868-16-0x000007FEF64C0000-0x000007FEF6E5D000-memory.dmp

Filesize
9.6MB

Download
memory/1868-6-0x0000000002070000-0x0000000002078000-memory.dmp

Filesize
32KB

Download
memory/1868-5-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/1868-7-0x000007FEF64C0000-0x000007FEF6E5D000-memory.dmp

Filesize
9.6MB

Download
memory/1868-8-0x000007FEF64C0000-0x000007FEF6E5D000-memory.dmp

Filesize
9.6MB

Download
memory/1868-9-0x000007FEF64C0000-0x000007FEF6E5D000-memory.dmp

Filesize
9.6MB

Download
memory/1868-4-0x000007FEF677E000-0x000007FEF677F000-memory.dmp

Filesize
4KB

Download
memory/2960-18-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/2960-23-0x000000000ACB0000-0x000000000AD06000-memory.dmp

Filesize
344KB

Download
memory/2960-14-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/2960-19-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/2960-20-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/2960-21-0x00000000002E0000-0x0000000000314000-memory.dmp

Filesize
208KB

Download
memory/2960-22-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2960-17-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/2960-24-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2960-25-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2960-26-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2960-27-0x00000000002E0000-0x0000000000314000-memory.dmp

Filesize
208KB

Download
memory/2960-29-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2960-28-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/2960-30-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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