f9955931889f37f789252f35cba7a9742de8ecf52aac427d59bb671a6abb45eb

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
30-05-2024 15:10

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General

Target

8498595074fd8ce02ddb211026cf57de_JaffaCakes118.exe
Size

137KB
MD5

8498595074fd8ce02ddb211026cf57de
SHA1

feeaf79d988f9661b9a5535a9c6627a08bdb2b33
SHA256

f9955931889f37f789252f35cba7a9742de8ecf52aac427d59bb671a6abb45eb
SHA512

d07e42e2c2c63c0658cc219d8c2ea3256e7bb805ecac8304e36fc2a8ac101636cf676e5fed6ae395540ea990347dc6f384599d5d0e4219093f5872f5652ae40b
SSDEEP

3072:7TQIURTXJ2W8eZacsB2ybhpU9tAAB+56iSpfUivjQ6:nsycsB2ybhpU96AB+5bSS6

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2804	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2804	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2480	8498595074fd8ce02ddb211026cf57de_JaffaCakes118.exe
2804	Au_.exe
2804	Au_.exe
2804	Au_.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x000800000001431b-2.dat	nsis_installer_1
behavioral1/files/0x000800000001431b-2.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2804	Au_.exe
2804	Au_.exe
2804	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2804	2480	8498595074fd8ce02ddb211026cf57de_JaffaCakes118.exe	28
PID 2480 wrote to memory of 2804	2480	8498595074fd8ce02ddb211026cf57de_JaffaCakes118.exe	28
PID 2480 wrote to memory of 2804	2480	8498595074fd8ce02ddb211026cf57de_JaffaCakes118.exe	28
PID 2480 wrote to memory of 2804	2480	8498595074fd8ce02ddb211026cf57de_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\8498595074fd8ce02ddb211026cf57de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8498595074fd8ce02ddb211026cf57de_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nst2D1B.tmp\FindProcDLL.dll

Filesize
3KB

MD5
8614c450637267afacad1645e23ba24a

SHA1
e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

SHA256
0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

SHA512
af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

Download Submit
\Users\Admin\AppData\Local\Temp\nst2D1B.tmp\KillProcDLL.dll

Filesize
32KB

MD5
83142eac84475f4ca889c73f10d9c179

SHA1
dbe43c0de8ef881466bd74861b2e5b17598b5ce8

SHA256
ae2f1658656e554f37e6eac896475a3862841a18ffc6fad2754e2d3525770729

SHA512
1c66eab21f0c9e0b99ecc3844516a6978f52e0c7f489405a427532ecbe78947c37dac5b4c8b722cc8bc1edfb74ba4824519d56099e587e754e5c668701e83bd1

Download Submit
\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
137KB

MD5
8498595074fd8ce02ddb211026cf57de

SHA1
feeaf79d988f9661b9a5535a9c6627a08bdb2b33

SHA256
f9955931889f37f789252f35cba7a9742de8ecf52aac427d59bb671a6abb45eb

SHA512
d07e42e2c2c63c0658cc219d8c2ea3256e7bb805ecac8304e36fc2a8ac101636cf676e5fed6ae395540ea990347dc6f384599d5d0e4219093f5872f5652ae40b

Download Submit
memory/2804-13-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download