931d63a2170e52e1cf0ee6eab55117f66e17c113cc9d939fdf0340f0673eacc8

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 01:38

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General

Target

b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe
Size

27KB
MD5

b9dd31b1d0c1b3ba0b1b7327ba02b2a5
SHA1

23a05ab430917a304eb732428aec0a7c1e6c9548
SHA256

931d63a2170e52e1cf0ee6eab55117f66e17c113cc9d939fdf0340f0673eacc8
SHA512

7b209b9f9ce8362dd0bab5c80d69bc12679dcbd11b48798e1b90407568cc013cdd29a8b5ce040282d688c36be2de1f917f73e0fba5a7db4d24825f0655fb457c
SSDEEP

384:Dgr9HOKPr2B6B6wPzh4nnmkun4mbJcWphW3Xjm2GVF7xuXonOlX29:4uKPrs2F4mk+JcWpMXybxb

Score

7^/10

defense_evasion discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2496	cmd.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2688-1-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2688-2-0x0000000000400000-0x000000000041B000-memory.dmp	upx

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
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 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	b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2688	b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe
2688	b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2688	b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2496	2688	b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2496	2688	b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2496	2688	b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2496	2688	b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9dd31b1d0c1b3ba0b1b7327ba02b2a5_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B9DD31~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2496

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

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

memory/2688-0-0x0000000000200000-0x0000000000205000-memory.dmp

Filesize
20KB

Download
memory/2688-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2688-2-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download