daa6fc6a17e34e4858fbf4ea6192dcfabf883a291213d9965616567e9686410a

Analysis

max time kernel
141s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 03:44

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General

Target

381526bbbe65028438d6aac7751dee59_JaffaCakes118.exe
Size

23.1MB
MD5

381526bbbe65028438d6aac7751dee59
SHA1

e3edd928fc3e5cfd3b1bb111e2bca4c78cadab21
SHA256

daa6fc6a17e34e4858fbf4ea6192dcfabf883a291213d9965616567e9686410a
SHA512

661c2df53506513eba470ad0cb24b034ef6a3ca85ef14f8a409cc56e0a46c8bf4040e7c995fd7cae6c16fd15eda23303830d4d004109951876a25747c7ec7514
SSDEEP

393216:jVjSEv3Q23b//dPyH5ACQvUzO8SuMN1SWCgAmKp2KRWMnfIBnI9J6JD/tKTC3EBW:hd3bdqHqQCu44bmKQUWYIpI9JcsBox80

Score

7^/10

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	381526bbbe65028438d6aac7751dee59_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3508	irsetup.exe

Loads dropped DLL 1 IoCs

pid	Process
3508	irsetup.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00080000000233eb-4.dat	upx
behavioral2/memory/3508-14-0x0000000000BD0000-0x0000000000FB7000-memory.dmp	upx
behavioral2/memory/3508-26-0x0000000000BD0000-0x0000000000FB7000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SEF II Setup Log.txt	irsetup.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3508	irsetup.exe
3508	irsetup.exe
3508	irsetup.exe
3508	irsetup.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 3508	3024	381526bbbe65028438d6aac7751dee59_JaffaCakes118.exe	83
PID 3024 wrote to memory of 3508	3024	381526bbbe65028438d6aac7751dee59_JaffaCakes118.exe	83
PID 3024 wrote to memory of 3508	3024	381526bbbe65028438d6aac7751dee59_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\381526bbbe65028438d6aac7751dee59_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\381526bbbe65028438d6aac7751dee59_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:1796762 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\381526bbbe65028438d6aac7751dee59_JaffaCakes118.exe" "__IRCT:0" "__IRTSS:24261784" "__IRSID:S-1-5-21-1337824034-2731376981-3755436523-1000"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:3508

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe

Filesize
1.3MB

MD5
cde4014bb822f2c0d39a9619e99630da

SHA1
0cc5bfc4b1c427c8e0c873d2219adf4d9a548fbc

SHA256
bebe27f3087ab6869564d88d9e5e3cdcfd9d0ab9038d54699a38fa89f98c2109

SHA512
66653188d6826a576bc36cafc5646bc065712a0e828766469254abc9a64c8ef0f6f090c865adaa060b3b07c19d4c4e2b28ebc3021f3d9599d2e1bbbd6a9a9090

Download Submit
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll

Filesize
322KB

MD5
c3f5f4a1fb69b5889f0bbb313cf6017f

SHA1
e4f592cfbd62a3c3caf27177ccea5a77afa649bb

SHA256
769416fa7edf38e91a55f4f7163914ee4aad9c8c890ed641c300b73157acac45

SHA512
e17d3be36fd2ba892d945f3737ebffdefe6d476224ef3459b567579971559a048a886941f57ae671b3df32844f99575a14c72ef8c49c2d4b1e8352204ccc05ab

Download Submit
memory/3508-14-0x0000000000BD0000-0x0000000000FB7000-memory.dmp

Filesize
3.9MB

Download
memory/3508-26-0x0000000000BD0000-0x0000000000FB7000-memory.dmp

Filesize
3.9MB

Download