dee8074e62150a125772b99e2ed974e59fe3122d275fd70c9ba45e50788a964f

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
16/07/2024, 09:55

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General

Target

4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe
Size

13KB
MD5

4dcd83e69cbce554b1edb65130494f4d
SHA1

9b754b87f8773b77273478ae3f29507d2ec2a337
SHA256

dee8074e62150a125772b99e2ed974e59fe3122d275fd70c9ba45e50788a964f
SHA512

9e0c75d18ce0a5e8ceb97d9efae0f46f6705469569ff08d4407616fd52a1ae5895b0db8cddd26a787d4e9eda35c92b48e208d613c141b61a2fe08861401b81b4
SSDEEP

384:p69wt+8CvCI7DDKZV1EDPNFXcciGDnYBqi:UTtqI7/2sNaciSn

Score

8^/10

persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Deletes itself 1 IoCs

pid	Process
2676	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	qensngk.exe

Loads dropped DLL 2 IoCs

pid	Process
2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe
2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2708-1-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x0008000000016d46-3.dat	upx
behavioral1/memory/2628-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2708-20-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2628-22-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\qensng.dll	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\qensngk.exe	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\qensngk.exe	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2628	2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2628	2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2628	2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2628	2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2676	2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2676	2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2676	2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2676	2708	4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\qensngk.exe
  C:\Windows\system32\qensngk.exe t!
  2⤵
  - Executes dropped EXE
  PID:2628
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4dcd83e69cbce554b1edb65130494f4d_JaffaCakes118.exe.bat

Filesize
210B

MD5
0c3396b698d2ccd9e614a04246bb2447

SHA1
14455c0fb7ec54f8b4fe4ba33f02e909d4e25399

SHA256
d023f2fdf8e9b131a9620bbc9834387697256f8a478dbb4c8e79f9e406a3c156

SHA512
df167a7b0e529859a2bd5378fb235220a6349ed25f605f47e3eff1e2dc28fee5c2dcb019d520dcbd8412bfd0e706cae1909e92e9d1cb209f2c7596c250d5211c

Download Submit
\Windows\SysWOW64\qensngk.exe

Filesize
13KB

MD5
4dcd83e69cbce554b1edb65130494f4d

SHA1
9b754b87f8773b77273478ae3f29507d2ec2a337

SHA256
dee8074e62150a125772b99e2ed974e59fe3122d275fd70c9ba45e50788a964f

SHA512
9e0c75d18ce0a5e8ceb97d9efae0f46f6705469569ff08d4407616fd52a1ae5895b0db8cddd26a787d4e9eda35c92b48e208d613c141b61a2fe08861401b81b4

Download Submit
memory/2628-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2628-22-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2708-1-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2708-11-0x0000000000030000-0x0000000000040000-memory.dmp

Filesize
64KB

Download
memory/2708-10-0x0000000000030000-0x0000000000040000-memory.dmp

Filesize
64KB

Download
memory/2708-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download