dc8834f8f4d0c46efc2e302743ffd20549b6f3100b0f5801344cc5b511018981

Analysis

max time kernel
150s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 04:40

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe
Size

12KB
MD5

ceade78554c367ea0f6f66c9d4359c8a
SHA1

68dcd9b44f0849d9309d2814e8ecfd91fe950447
SHA256

dc8834f8f4d0c46efc2e302743ffd20549b6f3100b0f5801344cc5b511018981
SHA512

2ff9c0233976a227b7c9f71b308da1842c6a52a6fc8c9c382e88f3317edd8eb673ff19cca47df45f5a1b2b51fb3bb496e179b8e5472c77fa33cceea46711fcf3
SSDEEP

192:Z/m92vIl1ERF4IV3Sj2DG5tQM/X0BjV9KoMGIeJaPGNIRM5b8S+rpOrl5WcU4OgX:Z/mYvIrEDz3SZd/+jfjIRRM5bDrlcg

Score

8^/10

discovery 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

Executes dropped EXE 1 IoCs

pid	Process
2188	mcromvk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2276-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/files/0x00080000000234f0-4.dat	upx
behavioral2/memory/2276-6-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2188-8-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mcromv.dll	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\mcromvk.exe	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mcromvk.exe	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mcromvk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2188	2276	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe	85
PID 2276 wrote to memory of 2188	2276	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe	85
PID 2276 wrote to memory of 2188	2276	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe	85
PID 2276 wrote to memory of 2816	2276	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe	96
PID 2276 wrote to memory of 2816	2276	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe	96
PID 2276 wrote to memory of 2816	2276	ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\mcromvk.exe
  C:\Windows\system32\mcromvk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2188
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ceade78554c367ea0f6f66c9d4359c8a_JaffaCakes118.exe.bat

Filesize
210B

MD5
9ed66c07c73340d9e81b550f6866bc5f

SHA1
e4de95cbe9d2052af83eb54065afecd23e68cb02

SHA256
4955514e08104397418dd0b7b28ab2a79b6d6eaec38fd7ac0de6f34a5aed95b7

SHA512
a14e849fa3be99ea7b712176827034fd1a0064dd1fc3482d6a5bac2566dd3ae3b90f7be198c3b033d7582ebcc736941bded590f1052dc8b85f0b88524b67adf1

Download Submit
C:\Windows\SysWOW64\mcromvk.exe

Filesize
12KB

MD5
ceade78554c367ea0f6f66c9d4359c8a

SHA1
68dcd9b44f0849d9309d2814e8ecfd91fe950447

SHA256
dc8834f8f4d0c46efc2e302743ffd20549b6f3100b0f5801344cc5b511018981

SHA512
2ff9c0233976a227b7c9f71b308da1842c6a52a6fc8c9c382e88f3317edd8eb673ff19cca47df45f5a1b2b51fb3bb496e179b8e5472c77fa33cceea46711fcf3

Download Submit
memory/2188-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2276-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2276-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download