82a28f5605208bfed596158dfd31d5f59e8a5f13ca7744620b7751c8dd208566

Analysis

max time kernel
135s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 01:11

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General

Target
28e664bcb4a03520b09a410151c32269.exe
Size 228.4MB
Sample240603-bke4ysfb76
SHA256 82a28f5605208bfed596158dfd31d5f59e8a5f13ca7744620b7751c8dd208566
MD5 28e664bcb4a03520b09a410151c32269
SHA1 65c9e69b641f336572ee827134cc130cde55f08d
SHA512 7fe1d98b1bb5746de1788627d2a76a36f16df1661b697098c52aef8e557cb9906251895036ea8be366ad31c1d7ecf791a761d088214f60b518a651f5b8f1c2d3
SSDEEP 6291456:o5pWCNWl+ai4PMkWJSXzTJKDAh6h/nHuAwjBkunax:3J0YHDYAh6xujq+q
MD5 SHA1 SHA512 SSDEEP

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	28e664bcb4a03520b09a410151c32269.exe

Executes dropped EXE 1 IoCs

pid	Process
1556	irsetup.exe

Loads dropped DLL 1 IoCs

pid	Process
1556	irsetup.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023415-5.dat	upx
behavioral2/memory/1556-14-0x0000000000840000-0x0000000000C27000-memory.dmp	upx
behavioral2/memory/1556-28-0x0000000000840000-0x0000000000C27000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1556	irsetup.exe
1556	irsetup.exe
1556	irsetup.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 1556	1448	28e664bcb4a03520b09a410151c32269.exe	88
PID 1448 wrote to memory of 1556	1448	28e664bcb4a03520b09a410151c32269.exe	88
PID 1448 wrote to memory of 1556	1448	28e664bcb4a03520b09a410151c32269.exe	88

C:\Users\Admin\AppData\Local\Temp\28e664bcb4a03520b09a410151c32269.exe
"C:\Users\Admin\AppData\Local\Temp\28e664bcb4a03520b09a410151c32269.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1448
- 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:1796874 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\28e664bcb4a03520b09a410151c32269.exe" "__IRCT:2" "__IRTSS:1170379990" "__IRSID:S-1-5-21-1337824034-2731376981-3755436523-1000"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:1556

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

irsetup.exe

Path C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
Size 1.3MB
SHA256 8fac4c6e17d8718e07a84be80b25b9e4c3ce7a1a1f297b3de51f0f741cc3106c
MD5 ab236deb058254e038694920fedcb5dd
SHA1 d15390ecfa6f0481512e5bc549bbbc1fb7e73409
SHA512 753df59776b8c8912eefa6dec4ba3bf99293c4848eaa24beadfb6c7ff2755da65572909a5163eedd07f4f5afbe32fefde66400ac178e4a56e83353d1a6b10af0
SSDEEP 24576:azC25QqJNUXIaRks5D8hYm0bXixegr1+sIG6byK7ki6Nrimo8BiGxnJgYQp1g:iC2lJmXbj5DIwbQea1LPEyK7r385JDV
MD5 SHA1 SHA512 SSDEEP

Submit Download

lua5.1.dll

Path C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll
Size 322KB
SHA256 769416fa7edf38e91a55f4f7163914ee4aad9c8c890ed641c300b73157acac45
MD5 c3f5f4a1fb69b5889f0bbb313cf6017f
SHA1 e4f592cfbd62a3c3caf27177ccea5a77afa649bb
SHA512 e17d3be36fd2ba892d945f3737ebffdefe6d476224ef3459b567579971559a048a886941f57ae671b3df32844f99575a14c72ef8c49c2d4b1e8352204ccc05ab
SSDEEP 6144:+kn2LG5bwf92+0HiDhAqUS0aMkhwfDRAOj+JzOg7Fp:72x2cdUhZcIDR8xhp
MD5 SHA1 SHA512 SSDEEP