17796cb53465a689656445f745116e3807939117209d49be20ec96b333f2df97

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 09:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1ac7fa79d2fafc8761a27e00205b2323_JaffaCakes118.dll
Size

687KB
MD5

1ac7fa79d2fafc8761a27e00205b2323
SHA1

0f0318bd7d09bf0e4dfdd98bd46e5bcb32882034
SHA256

17796cb53465a689656445f745116e3807939117209d49be20ec96b333f2df97
SHA512

5dc138eac6002abb57aeb999200d65055c174ab4222c7bb1e197685b0fdf9b5befd732fe1fba6c7ffaa29c463bdad565a638349a3b0a7acf372fdee4b1e68425
SSDEEP

12288:EgBiRawl33JbJlVJwTuejuPuZ+4Y7Uklxk1pwH1bLzj2TOeOrBPohn2Trj/Mo4Um:EgiRhdfe6Pz77VlOUHdLGTOesBW2TrjI

Score

7^/10

evasion themida

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Wine rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Wine	rundll32.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2736-0-0x0000000010000000-0x000000001019A000-memory.dmp	themida
behavioral1/memory/2736-1-0x0000000010000000-0x000000001019A000-memory.dmp	themida
behavioral1/memory/2736-7-0x0000000010000000-0x000000001019A000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

2736 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2576 2736 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

2736 rundll32.exe

pid	process
2736	rundll32.exe

pid	pid_target	process	target process
2576	2736	WerFault.exe	rundll32.exe

pid	process
2736	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2268 wrote to memory of 2736	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2736	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2736	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2736	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2736	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2736	2268	rundll32.exe	rundll32.exe
PID 2268 wrote to memory of 2736	2268	rundll32.exe	rundll32.exe
PID 2736 wrote to memory of 2576	2736	rundll32.exe	WerFault.exe
PID 2736 wrote to memory of 2576	2736	rundll32.exe	WerFault.exe
PID 2736 wrote to memory of 2576	2736	rundll32.exe	WerFault.exe
PID 2736 wrote to memory of 2576	2736	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ac7fa79d2fafc8761a27e00205b2323_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2268

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ac7fa79d2fafc8761a27e00205b2323_JaffaCakes118.dll,#1
2⤵
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 416
3⤵
- Program crash
PID:2576

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2736-0-0x0000000010000000-0x000000001019A000-memory.dmp

Filesize
1.6MB

Download
memory/2736-1-0x0000000010000000-0x000000001019A000-memory.dmp

Filesize
1.6MB

Download
memory/2736-3-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/2736-2-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download
memory/2736-5-0x0000000010001000-0x0000000010016000-memory.dmp

Filesize
84KB

Download
memory/2736-4-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/2736-6-0x00000000009E0000-0x00000000009EE000-memory.dmp

Filesize
56KB

Download
memory/2736-7-0x0000000010000000-0x000000001019A000-memory.dmp

Filesize
1.6MB

Download