d6346d093c870ad5274cb12973792c096acbefc5be33974039a5eaa2f922670d

Analysis

max time kernel
0s
max time network
0s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 11:13

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General

Target

19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
Size

51KB
MD5

19e81e0a521ec0ce0608cd855796512c
SHA1

e403727a1d0b1eae0a697142b55dcb621f8539fe
SHA256

d6346d093c870ad5274cb12973792c096acbefc5be33974039a5eaa2f922670d
SHA512

48ce49918781247f351ab60e041c681c94e64eacd4520c38d4ba9fc59240f2bb4cddc136818ef516f9bd370ab16084eb91749eabde209404212c1b63a4d8a486
SSDEEP

768:u+9LZQAX5ZPpO/5eR6N+Nw6bDr9+JGDO9iX8OSuLDIjBN8LOPMJafST2rs4Kjag4:V3Z6N+NTb/cGVSQ0b8LOPMJNEshjN4

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

WinUpdate.exe

pid process

2180 WinUpdate.exe
Loads dropped DLL 4 IoCs

Processes:

19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exeWinUpdate.exe

pid process

2172 19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
2180 WinUpdate.exe
2180 WinUpdate.exe
2180 WinUpdate.exe

pid	process
2172	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
\Windows\SysWOW64\WINUPDATE.EXE	upx
behavioral1/memory/2172-5-0x00000000022C0000-0x00000000022DA000-memory.dmp	upx
behavioral1/memory/2180-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\SysWOW64\RESTART.EXE	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SHELLSETUP.DLL	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\WINUPDATE.EXE	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

WinUpdate.exe

pid	process
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe
2180	WinUpdate.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe

description	pid	process	target process
PID 2172 wrote to memory of 2180	2172	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe
PID 2172 wrote to memory of 2180	2172	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe
PID 2172 wrote to memory of 2180	2172	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe
PID 2172 wrote to memory of 2180	2172	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe
PID 2172 wrote to memory of 2180	2172	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe
PID 2172 wrote to memory of 2180	2172	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe
PID 2172 wrote to memory of 2180	2172	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe

C:\Users\Admin\AppData\Local\Temp\19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\SysWOW64\WinUpdate.exe
"C:\Windows\system32\WinUpdate.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2180

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Windows\SysWOW64\WINUPDATE.EXE
Filesize
31KB

MD5
d89838b3fdfd2392dc8a55a8dc6d791f

SHA1
812c542860b05c1e5068b01cb91b3a1d0b99d931

SHA256
a8ddd8798ca355a82c3262fd8c7e9e15e2506b45f5dcb41117a981fe3b9bd8cf

SHA512
03ee1421940bf90baa21e36b8371181ea49c0be3ac0f1cace5769d75910d5579aa934444d5defa7120d32ffb82f7de5ad0e980195a37f7217d3225e3a0263bab

Download Submit
memory/2172-5-0x00000000022C0000-0x00000000022DA000-memory.dmp

Filesize
104KB

Download
memory/2172-8-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2180-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2180-15-0x0000000000020000-0x000000000003A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads