ac2afda9e5df38f43680fc64b6718167593d940d9c1986037d128b459f42c327

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 12:59

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General

Target

1a35caea333db3be203aa25000987fb4_JaffaCakes118.dll
Size

60KB
MD5

1a35caea333db3be203aa25000987fb4
SHA1

78e9e37bdd53fca3e22adf6d4c5824f8d25fa183
SHA256

ac2afda9e5df38f43680fc64b6718167593d940d9c1986037d128b459f42c327
SHA512

eef8a1f6ee8838aa2cd87f91df2bfca6e6033ec95a8328de9c6578ff2326ab5381c7de597d9874664688e1a83a9dbf31d14b99135b70d479155afffb98abab75
SSDEEP

1536:iJiYU3BupCdtWMrd4IJfzc5TOtnVxhxMU:iJil3BaCdtWxSLMTOtVxgU

Score

8^/10

persistence privilege_escalation vmprotect

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
VMProtect packed file 1 IoCs
Detects executables packed with VMProtect commercial packer.
vmprotect

Processes:

resource yara_rule

behavioral1/memory/2096-0-0x0000000010000000-0x000000001000F000-memory.dmp vmprotect
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

rundll32.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\"" rundll32.exe
Runs .reg file with regedit 1 IoCs

Processes:

regedit.exe

pid process

2612 regedit.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

2096 rundll32.exe
2096 rundll32.exe

resource	yara_rule
behavioral1/memory/2096-0-0x0000000010000000-0x000000001000F000-memory.dmp	vmprotect

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

pid	process
2612	regedit.exe

pid	process
2096	rundll32.exe
2096	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

rundll32.exerundll32.execmd.exe

description	pid	process	target process
PID 2884 wrote to memory of 2096	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2096	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2096	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2096	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2096	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2096	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2096	2884	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 2212	2096	rundll32.exe	cmd.exe
PID 2096 wrote to memory of 2212	2096	rundll32.exe	cmd.exe
PID 2096 wrote to memory of 2212	2096	rundll32.exe	cmd.exe
PID 2096 wrote to memory of 2212	2096	rundll32.exe	cmd.exe
PID 2212 wrote to memory of 2612	2212	cmd.exe	regedit.exe
PID 2212 wrote to memory of 2612	2212	cmd.exe	regedit.exe
PID 2212 wrote to memory of 2612	2212	cmd.exe	regedit.exe
PID 2212 wrote to memory of 2612	2212	cmd.exe	regedit.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a35caea333db3be203aa25000987fb4_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2884

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a35caea333db3be203aa25000987fb4_JaffaCakes118.dll,#1
2⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2096

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
3⤵
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\SysWOW64\regedit.exe
"regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
4⤵
- Runs .reg file with regedit
PID:2612

MITRE ATT&CK Matrix ATT&CK v13

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 Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a.reg
Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit
memory/2096-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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