2db9b2e4c22592d56b94bee85203c2bf90ae64f6e3e6bb701539c63761c9155b

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 13:30

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General

Target

7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe
Size

48KB
MD5

7442d3ee775ae5eb6cedc0e5524dd18e
SHA1

7ede3bb68db9fa6ccce6bb7d8e9ae1d34dc24e30
SHA256

2db9b2e4c22592d56b94bee85203c2bf90ae64f6e3e6bb701539c63761c9155b
SHA512

d565ad606481cb755688c506e8e101f19d55c5ca0447e6d010e5b890da347520ae72ef4a94392479a11d652d93ab105e9a3b4f86527cbc84b1afc7d0b321f87d
SSDEEP

768:Q06tdGwrvUOW0y3OPYuB0u4m8Zc+t03yH:T2Frc/EbSN9t03yH

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2940	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2504	zmtrwm.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zmtrwm.exe	7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\zmtrwm.exe	7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zmtrwm.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	zmtrwm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	zmtrwm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1820	7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2940	1820	7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe	31
PID 1820 wrote to memory of 2940	1820	7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe	31
PID 1820 wrote to memory of 2940	1820	7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe	31
PID 1820 wrote to memory of 2940	1820	7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7442d3ee775ae5eb6cedc0e5524dd18e_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\7442D3~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2940

C:\Windows\SysWOW64\zmtrwm.exe
C:\Windows\SysWOW64\zmtrwm.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\zmtrwm.exe

Filesize
48KB

MD5
7442d3ee775ae5eb6cedc0e5524dd18e

SHA1
7ede3bb68db9fa6ccce6bb7d8e9ae1d34dc24e30

SHA256
2db9b2e4c22592d56b94bee85203c2bf90ae64f6e3e6bb701539c63761c9155b

SHA512
d565ad606481cb755688c506e8e101f19d55c5ca0447e6d010e5b890da347520ae72ef4a94392479a11d652d93ab105e9a3b4f86527cbc84b1afc7d0b321f87d

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