80aea25afeadc04398b113cec5781bb5e60ca532b4b71f4c51817ba84d954cdf

Analysis

max time kernel
139s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 02:23

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General

Target

b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe
Size

31KB
MD5

b5fd28d918dd8fba316b82da13956d9b
SHA1

20b16e0a77b748d13d535c0ce148e02b0b12ffbe
SHA256

80aea25afeadc04398b113cec5781bb5e60ca532b4b71f4c51817ba84d954cdf
SHA512

61e8bf172698969691481ca4b64a3a16cfb91756b9d7e54b8d507f244782d498b188fda3e80ab1520c21223a323121051e2bf3e3a75945c566fb0233e5d89ac1
SSDEEP

768:sJxzV8eYPtBP68HEu7eGslwhMKpjgeebZx:2ild6mgeSH

Score

7^/10

discovery spyware stealer upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3884	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3884	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/984-0-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/984-3-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/984-9-0x0000000000400000-0x0000000000416000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2784	984	WerFault.exe	90
4368	984	WerFault.exe	90

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
984	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe
984	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe
984	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe
984	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe
3884	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
984	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe
984	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 3884	984	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe	104
PID 984 wrote to memory of 3884	984	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe	104
PID 984 wrote to memory of 3884	984	b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe	104

C:\Users\Admin\AppData\Local\Temp\b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b5fd28d918dd8fba316b82da13956d9b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:984
- C:\Windows\SysWOW64\rundll32.exe
  C:\Users\Admin\AppData\Local\Temp\CxF7XXmIddyyeFUy.dat, ServerMain 1c:\users\admin\appdata\local\temp\b5fd28d918dd8fba316b82da13956d9b_jaffacakes118.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 264
  2⤵
  - Program crash
  PID:2784
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 212
  2⤵
  - Program crash
  PID:4368

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2708,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=3840 /prefetch:8
1⤵
PID:4860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 984 -ip 984
1⤵
PID:3988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 984 -ip 984
1⤵
PID:780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CxF7XXmIddyyeFUy.dat

Filesize
3.2MB

MD5
330e2f3770a7a6ea1add114ccd617de1

SHA1
3da2def3141a51fd03261ae12cbd5450aec0a491

SHA256
03d69e08c7f3e1fe5535921010b9b1414e77023bc76f98e58a5df2bee9eee5e0

SHA512
bed5c70750cf19d4692deb788b19b2041dad83b4257b04bc4cad9e50829c5da333809bdd604406de645da2e58cc891cdbe8a4a44fff2f5a1b34d6673f7b3d714

Download Submit
memory/984-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/984-3-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/984-9-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download