1abecb2b80daae03b5c4d05eeeaead8b3f7e9f85c18db61a7b38cafde3d54bd1

Analysis

max time kernel
134s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 06:04

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General

Target

c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe
Size

738KB
MD5

c856456ae5e1d253232805413cd0fc52
SHA1

9215d041278e6a331b5f017befa73c0a945513f4
SHA256

1abecb2b80daae03b5c4d05eeeaead8b3f7e9f85c18db61a7b38cafde3d54bd1
SHA512

7ceb9df9ae8baef508134ee53a190eaa51a38cf07e772e031dc2364b2270cdb260d32cd2bc79d84fd0903c8d3545588e34e4fc865d1abefe1d4f5f94ff201781
SSDEEP

12288:CNI4l2uVSU4Jc5EuMhAhEf9RBSKuHNd3LDtbc9OogV5deLmE6J4fWxYdR:C5PCqGhOhEVPduHrJc9OXp2fWK

Score

7^/10

discovery evasion

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Wine	c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4804	c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4804	c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe
4804	c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	4024	dw20.exe
Token: SeBackupPrivilege	4024	dw20.exe
Token: SeBackupPrivilege	4024	dw20.exe
Token: SeBackupPrivilege	4024	dw20.exe
Token: SeBackupPrivilege	4024	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 4024	4804	c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe	94
PID 4804 wrote to memory of 4024	4804	c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe	94
PID 4804 wrote to memory of 4024	4804	c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c856456ae5e1d253232805413cd0fc52_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 2036
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4804-0-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/4804-2-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download
memory/4804-10-0x0000000000400000-0x00000000005AE000-memory.dmp

Filesize
1.7MB

Download