efc08527212db6c2b3f62fe264600e693c6ff4496d78dc89a565c5731589c017

Analysis

max time kernel
141s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 07:52

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General

Target

ef5b471b20fd99ba044c1a3d99f3970d_JaffaCakes118.exe
Size

50KB
MD5

ef5b471b20fd99ba044c1a3d99f3970d
SHA1

3369bce089bd24743bb5792b6effcae2b5f4d0f8
SHA256

efc08527212db6c2b3f62fe264600e693c6ff4496d78dc89a565c5731589c017
SHA512

ea685fe85e468849a32289f1ad37e91079b87dc8f439beb3451a5631d42103d1517d33b4dd6c85eba22df3f2877826d3a54b4b834cf16d3efe1b05a655381bbc
SSDEEP

768:667pOS+abJs6j2xUnLY1UBwOezynnBg2nFErAltJYWX30GE9RZNjvzsh:6GYsj8UuODnBgSVltDHXE9RZNjvz2

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2276-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/2276-2-0x0000000000400000-0x0000000000425000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2624	2276	WerFault.exe	28

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	ef5b471b20fd99ba044c1a3d99f3970d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2624	2276	ef5b471b20fd99ba044c1a3d99f3970d_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2624	2276	ef5b471b20fd99ba044c1a3d99f3970d_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2624	2276	ef5b471b20fd99ba044c1a3d99f3970d_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2624	2276	ef5b471b20fd99ba044c1a3d99f3970d_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\ef5b471b20fd99ba044c1a3d99f3970d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef5b471b20fd99ba044c1a3d99f3970d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 88
  2⤵
  - Program crash
  PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2276-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2276-1-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2276-2-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download