3fbb1d9de93bbf45bd3f58aa1e4bd52b2927166c52311693c293ab73ae04f30a

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 14:40

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General

Target

dc705157d940cc37c50e75f0702bc7eb_JaffaCakes118.exe
Size

6.8MB
MD5

dc705157d940cc37c50e75f0702bc7eb
SHA1

a364efefd1c69d17bf45d7bc86aaa29c130d07f2
SHA256

3fbb1d9de93bbf45bd3f58aa1e4bd52b2927166c52311693c293ab73ae04f30a
SHA512

faca50aa36ba44c90dd6aee1f78f0ea43badddc4d532cda94d02337727230997b918c5674138426d601823479d90e821f4646cf26a0e15825948bbdfc1d786de
SSDEEP

98304:avIYceUCwHzHChh5xoAPQyIKrYfo1ZGXp:AFlIATsor

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2204	fremax.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4948-0-0x0000000000400000-0x0000000000AC8000-memory.dmp	upx
behavioral2/files/0x0002000000022a83-7.dat	upx
behavioral2/memory/2204-9-0x0000000000400000-0x0000000000AC8000-memory.dmp	upx
behavioral2/memory/4948-18-0x0000000000400000-0x0000000000AC8000-memory.dmp	upx
behavioral2/memory/2204-19-0x0000000000400000-0x0000000000AC8000-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	dc705157d940cc37c50e75f0702bc7eb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fremax.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 2204	4948	dc705157d940cc37c50e75f0702bc7eb_JaffaCakes118.exe	92
PID 4948 wrote to memory of 2204	4948	dc705157d940cc37c50e75f0702bc7eb_JaffaCakes118.exe	92
PID 4948 wrote to memory of 2204	4948	dc705157d940cc37c50e75f0702bc7eb_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\dc705157d940cc37c50e75f0702bc7eb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dc705157d940cc37c50e75f0702bc7eb_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4948
- C:\fremax\fremax.exe
  C:\fremax\fremax.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2204

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\Desktop\fremax.lnk

Filesize
1KB

MD5
6e31ee3149242955f8e9f098a21de201

SHA1
b1364cb298cc60b890da691ce1bf5e3b83885012

SHA256
474baea6c4dbebc28c4f583299f8df65a29733f19b8daca05eb6bc25fa495d89

SHA512
8564d2cdac4e994610bc1ee2d2a44c8c09a6b55d1c669903dc210b2eef5fb6ed8825b6a239b0e1f9eb4690753d629e966f67adf079a992f7df67959416512aed

Download Submit
C:\fremax\fremax.exe

Filesize
6.8MB

MD5
dc705157d940cc37c50e75f0702bc7eb

SHA1
a364efefd1c69d17bf45d7bc86aaa29c130d07f2

SHA256
3fbb1d9de93bbf45bd3f58aa1e4bd52b2927166c52311693c293ab73ae04f30a

SHA512
faca50aa36ba44c90dd6aee1f78f0ea43badddc4d532cda94d02337727230997b918c5674138426d601823479d90e821f4646cf26a0e15825948bbdfc1d786de

Download Submit
memory/2204-10-0x0000000002740000-0x0000000002741000-memory.dmp

Filesize
4KB

Download
memory/2204-9-0x0000000000400000-0x0000000000AC8000-memory.dmp

Filesize
6.8MB

Download
memory/2204-19-0x0000000000400000-0x0000000000AC8000-memory.dmp

Filesize
6.8MB

Download
memory/4948-0-0x0000000000400000-0x0000000000AC8000-memory.dmp

Filesize
6.8MB

Download
memory/4948-1-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

Filesize
4KB

Download
memory/4948-18-0x0000000000400000-0x0000000000AC8000-memory.dmp

Filesize
6.8MB

Download