943b923d2cec0e479864512947211c52f05a451739bc3c1128c728f41c99e63d

Analysis

max time kernel
150s
max time network
151s
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 03:45

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General

Target

b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe
Size

339KB
MD5

b63851a599a0b28d1a875d30f345ed7b
SHA1

4d74b2a65e914033ff37968c386491099c37565f
SHA256

943b923d2cec0e479864512947211c52f05a451739bc3c1128c728f41c99e63d
SHA512

d3d261d38a21c637e682fe50731c00d8ad8b51a0461db19e02888634bd14e4b8388c7f02ce951884fd2d2ae2c3acc204826f226ab9407f0511d73dfa33e14b8a
SSDEEP

6144:8VQpV3uWk9eGfzZJKFi+x4E9sAHsdnrMt57+qKOasOvWG6gzyxj1u:jD3uWAXfzZMx4MsAHErMH+qXanZzyVY

Score

9^/10

credential_access discovery spyware stealer upx

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	geit_super.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	geit_super.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
4484	PerX.exe
3712	geit_super.exe
4896	geit_super.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 10 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000233f5-4.dat	upx
behavioral2/memory/4484-19-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4484-35-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4484-44-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4484-46-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4484-47-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4484-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4484-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4484-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4484-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	whatismyip.akamai.com

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\geit_super.exe	geit_super.exe
File opened for modification	C:\Windows\ufr_files	geit_super.exe
File created	C:\Windows\ufr_files\NO_PWDS_report_22-08-2024_03-45-31-PHHO.bin	geit_super.exe
File opened for modification	C:\Windows\ufr_files\NO_PWDS_report_22-08-2024_03-45-31-PHHO.bin	geit_super.exe
File created	C:\Windows\geit_super.exe	geit_super.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	PerX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geit_super.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geit_super.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.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	geit_super.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	geit_super.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	geit_super.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4896	geit_super.exe
4896	geit_super.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe
4484	PerX.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 4484	4392	b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe	84
PID 4392 wrote to memory of 4484	4392	b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe	84
PID 4392 wrote to memory of 4484	4392	b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe	84
PID 4392 wrote to memory of 3712	4392	b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe	85
PID 4392 wrote to memory of 3712	4392	b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe	85
PID 4392 wrote to memory of 3712	4392	b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe	85
PID 3712 wrote to memory of 4896	3712	geit_super.exe	86
PID 3712 wrote to memory of 4896	3712	geit_super.exe	86
PID 3712 wrote to memory of 4896	3712	geit_super.exe	86

C:\Users\Admin\AppData\Local\Temp\b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b63851a599a0b28d1a875d30f345ed7b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Users\Admin\AppData\Local\Temp\PerX.exe
  "C:\Users\Admin\AppData\Local\Temp\PerX.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4484
- C:\Users\Admin\AppData\Local\Temp\geit_super.exe
  "C:\Users\Admin\AppData\Local\Temp\geit_super.exe"
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3712
- - C:\Windows\geit_super.exe
    "C:\Windows\geit_super.exe"
    3⤵
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:4896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\PerX.exe

Filesize
262KB

MD5
e974a7ed7fa0c096aa1f59ae6d8cce72

SHA1
24b215e712fa745ac94d033ee7c5a556a5df0dab

SHA256
d042a6add7b1547e5165d0c0c0f0eb21ee778b44c27e0a2bbce9f02b79156c0b

SHA512
156cfa7b252d8737a4d3fdc3f8095353051d7f15e1293d6c1213de36ea44d526fd94e75765b3a1f75ed83f9b02dd4329b9eab466e9188fea107e622d0c1d6ba4

Download Submit
C:\Users\Admin\AppData\Local\Temp\geit_super.exe

Filesize
26KB

MD5
024c61357d01d45604201e9e517a48c0

SHA1
8167d2b9703ca812513bb296f43a097f4b76bf8b

SHA256
d366bc1e0a21d85358a0fedd5730100ad2166122cb4c91423211c03df4afe5c7

SHA512
cfe98ad7abf5fc332a70f640f2d8d18374b5c7c37312384aa09d09262a0dfb6dff76f0977f0c5a2899fe9ebc8b878f3c4e64d9f64e7d8395c13944e8e68ad2e6

Download Submit
C:\Windows\ufr_files\NO_PWDS_report_22-08-2024_03-45-31-PHHO.bin

Filesize
1KB

MD5
8b71434ae130ecbc2a6b466f3c785739

SHA1
342199ddebb26eb6113774026bc6e0f2169139bc

SHA256
f83b2757e3cfcb266330571fd4101ee3721efe96aa81da2fbf7b9cbce97d4bf2

SHA512
b30b35abdff9e3e22f92e906c057ec0773a8d6896a5c4aff7f875a609a5f7f19dcf254235e135ee4def5601baca52f3646a8f0ed1c1389b718dd079f2af0d0e8

Download Submit
memory/3712-30-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3712-21-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4484-47-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4484-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4484-23-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/4484-43-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/4484-44-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4484-46-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4484-19-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4484-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4484-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4484-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4484-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4896-42-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download