912bc02ee5e14f199f401a536f5077d77c7cded30dcb4ad88d84cdf87f9290d2

Analysis

max time kernel
124s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 16:31

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General

Target

fcb30f481c0324afbf086208ebda25bf_JaffaCakes118.exe
Size

35KB
MD5

fcb30f481c0324afbf086208ebda25bf
SHA1

2a01aa56a89eb9bbee4c2dce076f1c331a238831
SHA256

912bc02ee5e14f199f401a536f5077d77c7cded30dcb4ad88d84cdf87f9290d2
SHA512

e84d5eb991aa5e3cb3dfec9f8c1ce3322fd52ebef0ebba91c1ca4b83a10989c00cd9dd9f24b9ab04904acaede3a9e6e21247c6911550fc918ab54c6304a7f414
SSDEEP

768:UdVvX9JoSSdRrNhaX/NiN8+vJRnzAm6kRRu2iZslgY:gtoDnrNh+6XrAnL2lgY

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3736	A~NSISu_.exe

Executes dropped EXE 1 IoCs

pid	Process
3736	A~NSISu_.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4720-0-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/files/0x000a000000023651-4.dat	upx
behavioral2/memory/4720-6-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/3736-7-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/3736-9-0x0000000000400000-0x000000000043A000-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	fcb30f481c0324afbf086208ebda25bf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	A~NSISu_.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 3736	4720	fcb30f481c0324afbf086208ebda25bf_JaffaCakes118.exe	89
PID 4720 wrote to memory of 3736	4720	fcb30f481c0324afbf086208ebda25bf_JaffaCakes118.exe	89
PID 4720 wrote to memory of 3736	4720	fcb30f481c0324afbf086208ebda25bf_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\fcb30f481c0324afbf086208ebda25bf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcb30f481c0324afbf086208ebda25bf_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe
  "C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3736

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=4464,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=2264 /prefetch:8
1⤵
PID:4992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe

Filesize
35KB

MD5
fcb30f481c0324afbf086208ebda25bf

SHA1
2a01aa56a89eb9bbee4c2dce076f1c331a238831

SHA256
912bc02ee5e14f199f401a536f5077d77c7cded30dcb4ad88d84cdf87f9290d2

SHA512
e84d5eb991aa5e3cb3dfec9f8c1ce3322fd52ebef0ebba91c1ca4b83a10989c00cd9dd9f24b9ab04904acaede3a9e6e21247c6911550fc918ab54c6304a7f414

Download Submit
memory/3736-7-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3736-9-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4720-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4720-6-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download