ea8e00a0c5451a1660d1e387af20ad8c621e08d393aa0d6618f31b9813de1785

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 17:54

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General

Target

f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe
Size

250KB
MD5

f68cab9d5d91f20e64c39ec5917a123d
SHA1

d31deebdb909ca7945daf770dbb6185ff4b5d417
SHA256

ea8e00a0c5451a1660d1e387af20ad8c621e08d393aa0d6618f31b9813de1785
SHA512

5e61aa34a017cf31119f9aabe74bac95948f39eb65187fd53ad6421f516f76a86efc0cb736d14d02e65c2c6ca6c2bbaae994fd85e51241a8ed0c42175a740be8
SSDEEP

6144:DNWOFgNlQTPxon8Pfs7EHkmzDdzMVbsjkV8k/qUJmLOb:JWOFg0gCpBST8k/qU0Ly

Score

7^/10

discovery evasion trojan

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS 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\SystemBiosVersion	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2596	cmd.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe

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	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2724	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe
2724	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2596	2724	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe	30
PID 2724 wrote to memory of 2596	2724	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe	30
PID 2724 wrote to memory of 2596	2724	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe	30
PID 2724 wrote to memory of 2596	2724	f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins7837.bat "C:\Users\Admin\AppData\Local\Temp\f68cab9d5d91f20e64c39ec5917a123d_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\~unins7837.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
memory/2724-0-0x0000000000404000-0x000000000047C000-memory.dmp

Filesize
480KB

Download
memory/2724-5-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2724-1-0x00000000004D0000-0x0000000000551000-memory.dmp

Filesize
516KB

Download
memory/2724-11-0x0000000000404000-0x000000000047C000-memory.dmp

Filesize
480KB

Download