570143ac72441e79ad044425cfca48159cac808db621378341cf4026813618a4

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 05:03

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General

Target

18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe
Size

10KB
MD5

18dfd74e6c9654a81c3696fc6560a48d
SHA1

4c95fe3474091c3a4d922d46a9cd660a70a8cc93
SHA256

570143ac72441e79ad044425cfca48159cac808db621378341cf4026813618a4
SHA512

36573fe09fe9808e9a0c2cc9ecbc334ebf701efce6e5c42396a087046fcc1b65bcd99fba6460500be23ff3b7b738ba32e62735b7353436649a2c60f31f7d3875
SSDEEP

192:MgzxM9W2r3Fbu3AGBMWW9K+xpGGy/n6kDUtzHcBg:dz61bu3BMWW9K+hkiIg

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

Executes dropped EXE 1 IoCs

pid	Process
1316	rmchampk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2300-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/files/0x00070000000233d2-4.dat	upx
behavioral2/memory/2300-6-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/1316-7-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rmchamp.dll	18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\rmchampk.exe	18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\rmchampk.exe	18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1316	2300	18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe	81
PID 2300 wrote to memory of 1316	2300	18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe	81
PID 2300 wrote to memory of 1316	2300	18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe	81
PID 2300 wrote to memory of 2536	2300	18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe	90
PID 2300 wrote to memory of 2536	2300	18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe	90
PID 2300 wrote to memory of 2536	2300	18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\rmchampk.exe
  C:\Windows\system32\rmchampk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1316
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe.bat
  2⤵
  PID:2536

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\18dfd74e6c9654a81c3696fc6560a48d_JaffaCakes118.exe.bat

Filesize
210B

MD5
d4dad6588913a447f9c0ef24f2f843ca

SHA1
ee32f1bef94cc62617933dc05ab1493929be09c6

SHA256
cd9e00422b8d511214b89b4c463884ecb5b6297c2ce8ec8bb40ea4d6e8f02a5a

SHA512
87458112e2708abafa616434483a3f125253fc1ec2441fffc19975018275db2de625251c35975bfe8ceaa23ae9c7c1acb63e7a76eb8edec328e6a1b374df3c93

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

Filesize
10KB

MD5
18dfd74e6c9654a81c3696fc6560a48d

SHA1
4c95fe3474091c3a4d922d46a9cd660a70a8cc93

SHA256
570143ac72441e79ad044425cfca48159cac808db621378341cf4026813618a4

SHA512
36573fe09fe9808e9a0c2cc9ecbc334ebf701efce6e5c42396a087046fcc1b65bcd99fba6460500be23ff3b7b738ba32e62735b7353436649a2c60f31f7d3875

Download Submit
memory/1316-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2300-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2300-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download