384298540817d1d0ac287325585ece8453a8576b2e176b7fdcdf55f49faded63

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20-06-2024 11:35

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General

Target

05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe
Size

14KB
MD5

05a0db477db3cc7e56960828888e1813
SHA1

66c3730c2294d2219ff08e4452184b85dee81db5
SHA256

384298540817d1d0ac287325585ece8453a8576b2e176b7fdcdf55f49faded63
SHA512

c20a647d7914738200a51d31844d54606fb6c1559a98629ed002985dd9efb05d7eee179dbcfc13f5820d2b5efa396b51f5d8b00bdc5cbeadd004f3c9359e40ad
SSDEEP

192:ps9oYBkMeXlOrSvTuBTgkFHZlwJiyv1BV3+B0LxkownkVZhBudVhVz:ps9oMr8TTywJiywaxaIZaP

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
2468	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3004	wllamek.exe

Loads dropped DLL 2 IoCs

pid	Process
2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe
2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2836-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x000c000000012253-3.dat	upx
behavioral1/memory/3004-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2836-10-0x0000000000230000-0x0000000000240000-memory.dmp	upx
behavioral1/memory/2836-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2836-16-0x0000000000230000-0x0000000000240000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wllame.dll	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wllamek.exe	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wllamek.exe	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 3004	2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe	28
PID 2836 wrote to memory of 3004	2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe	28
PID 2836 wrote to memory of 3004	2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe	28
PID 2836 wrote to memory of 3004	2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe	28
PID 2836 wrote to memory of 2468	2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe	29
PID 2836 wrote to memory of 2468	2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe	29
PID 2836 wrote to memory of 2468	2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe	29
PID 2836 wrote to memory of 2468	2836	05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\SysWOW64\wllamek.exe
  C:\Windows\system32\wllamek.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:3004
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2468

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\05a0db477db3cc7e56960828888e1813_JaffaCakes118.exe.bat

Filesize
210B

MD5
dc1fab2ee7ac7688f8ef0666233d825a

SHA1
dc1cb299b2d6e1422cd049daeb4a65e7f1ec03fb

SHA256
f72c9de1b30f69cf79464664f46b1c5f88dc666dd18a18d2d95108c9b9b09198

SHA512
378419b5e80e3ee8717b1cd5bdeee4554d47a627f65994215dfc687c426da8547a81551180a702ec6d67a434ce09f32f17217585fda4e61f9aaf0a044bc5ae8c

Download Submit
\Windows\SysWOW64\wllamek.exe

Filesize
14KB

MD5
05a0db477db3cc7e56960828888e1813

SHA1
66c3730c2294d2219ff08e4452184b85dee81db5

SHA256
384298540817d1d0ac287325585ece8453a8576b2e176b7fdcdf55f49faded63

SHA512
c20a647d7914738200a51d31844d54606fb6c1559a98629ed002985dd9efb05d7eee179dbcfc13f5820d2b5efa396b51f5d8b00bdc5cbeadd004f3c9359e40ad

Download Submit
memory/2836-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2836-10-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/2836-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2836-16-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/3004-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download