a4c90335d09d4cfed4c8c83a9ccbba16f8186fc0202f0f45c1477cc66c3bdd67

Analysis

max time kernel
133s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2024, 13:26

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General

Target

8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe
Size

47KB
MD5

8a9681783d3f631ef04aef947dc2229b
SHA1

2867998031da69a1caead6b6d2cfc194991d2f03
SHA256

a4c90335d09d4cfed4c8c83a9ccbba16f8186fc0202f0f45c1477cc66c3bdd67
SHA512

5bc1042b5e85638bfa7809413c823a0209759c4c6fef90c232629b04424fbfd7b9eb373bdcdd211a551d3f0fca678e93a553fa09f7ce492c619645c9dd32bdc3
SSDEEP

768:vS4sULWW4pX3lRrQiT9gSZXUJiSOQXRntXoSPtAKSoxoKV6VPw5VFhrRqWIm+P:qPUg3lR8iT9XUJi6NhqKV2orX+

Score

7^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3660-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/files/0x0005000000023276-6.dat	upx
behavioral2/memory/3660-10-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8a9681783d3f631ef04aef947dc2229b_jaffacakes118 = "c:\\windows\\8a9681783d3f631ef04aef947dc2229b_jaffacakes118.exe -m"	8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\8a9681783d3f631ef04aef947dc2229b_jaffacakes118.exe	8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe
File opened for modification	\??\c:\windows\8a9681783d3f631ef04aef947dc2229b_jaffacakes118.exe	8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: LoadsDriver 6 IoCs

pid	Process
4	Process not Found
4	Process not Found
4	Process not Found
4	Process not Found
4	Process not Found
656	Process not Found

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3660	8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe
3660	8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3660	8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe
3660	8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8a9681783d3f631ef04aef947dc2229b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\8a9681783d3f631ef04aef947dc2229b_jaffacakes118.exe

Filesize
47KB

MD5
8a9681783d3f631ef04aef947dc2229b

SHA1
2867998031da69a1caead6b6d2cfc194991d2f03

SHA256
a4c90335d09d4cfed4c8c83a9ccbba16f8186fc0202f0f45c1477cc66c3bdd67

SHA512
5bc1042b5e85638bfa7809413c823a0209759c4c6fef90c232629b04424fbfd7b9eb373bdcdd211a551d3f0fca678e93a553fa09f7ce492c619645c9dd32bdc3

Download Submit
memory/3660-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3660-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads