bbb48cfcd2b9e631119d70a4395a2ab356589affe678afc20884674971603493

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 20:07

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General

Target

2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe
Size

10KB
MD5

2da4b559090f0bc385076e06fde020f7
SHA1

91a8e5bcafbb2b4b2204f8b5986b2a3fc5ad5631
SHA256

bbb48cfcd2b9e631119d70a4395a2ab356589affe678afc20884674971603493
SHA512

2a74b2ad1914f477bbb1664cfc4db64ef6c2d5b9902d1e3463c8dd37a022cb18d7286f9a1cc4d2d4e770c390ec0e4f27f9e6e685d04d53cbe815820c73972446
SSDEEP

192:8eDuFSHP37IQsDocCg3wPjdadrLVc7PG1KnoeSjKSBH18rzorScoBV3Z:XKSvrIQsD1APjdadrBEoHR1uosp

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
2808	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	mduaeyk.exe

Loads dropped DLL 2 IoCs

pid	Process
2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe
2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2704-1-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x0008000000015d11-3.dat	upx
behavioral1/memory/2776-12-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2704-20-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2776-22-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mduaey.dll	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\mduaeyk.exe	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mduaeyk.exe	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2776	2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2776	2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2776	2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2776	2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2808	2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe	31
PID 2704 wrote to memory of 2808	2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe	31
PID 2704 wrote to memory of 2808	2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe	31
PID 2704 wrote to memory of 2808	2704	2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\mduaeyk.exe
  C:\Windows\system32\mduaeyk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2776
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2808

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\2da4b559090f0bc385076e06fde020f7_JaffaCakes118.exe.bat

Filesize
210B

MD5
09c3c2268fa0fb934ae6e24307006242

SHA1
e876ba03829b938822506861310163e367108414

SHA256
1a8274d451aa11ffe2ab1351c4ebfa4205da674799e69df05aaed9bc341ae30e

SHA512
afeb227297ffdd24b14c81a6203568973dcfc9cdd4a40e998a8644ed209f0d68f28b5ab56b7da22bff2fe6d6c1874febc8f3b1536ef8b094bf143a55876e07b5

Download Submit
\Windows\SysWOW64\mduaeyk.exe

Filesize
10KB

MD5
2da4b559090f0bc385076e06fde020f7

SHA1
91a8e5bcafbb2b4b2204f8b5986b2a3fc5ad5631

SHA256
bbb48cfcd2b9e631119d70a4395a2ab356589affe678afc20884674971603493

SHA512
2a74b2ad1914f477bbb1664cfc4db64ef6c2d5b9902d1e3463c8dd37a022cb18d7286f9a1cc4d2d4e770c390ec0e4f27f9e6e685d04d53cbe815820c73972446

Download Submit
memory/2704-1-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2704-11-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/2704-10-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/2704-20-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2776-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2776-22-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download