e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 10:03

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General

Target

e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
Size

1.8MB
MD5

9629c09dd115b3482c72e19d7bceb440
SHA1

9c9642a1c1261d99df9e5d1fff7e97ce3c629b1f
SHA256

e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251
SHA512

58daa52d2f448eadcf927b368345bea9d8765e3a149e78322467fe9f81b47f5101649ddbd2ebc93ac0afdfa4f93c8cf9c4bc59518dbc0ea74f5b8a75cfde6af1
SSDEEP

24576:9xFYGY9+9d/G7P9lkQ/exnzGn4dLsUvqkaT+0BpCCh+PDedNdUhZuIBWcC2YYtxn:ON26FOnzGn6LJvqkwnpC+mWd6uIccpsi

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe

Executes dropped EXE 1 IoCs

pid	Process
3260	irsetup.exe

Loads dropped DLL 1 IoCs

pid	Process
3260	irsetup.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00080000000233f9-5.dat	upx
behavioral2/memory/3260-12-0x0000000000400000-0x00000000007CB000-memory.dmp	upx
behavioral2/memory/3260-24-0x0000000000400000-0x00000000007CB000-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	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	irsetup.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3260	irsetup.exe
3260	irsetup.exe
3260	irsetup.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 3260	4968	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	82
PID 4968 wrote to memory of 3260	4968	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	82
PID 4968 wrote to memory of 3260	4968	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	82

C:\Users\Admin\AppData\Local\Temp\e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
"C:\Users\Admin\AppData\Local\Temp\e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4968
- 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:1742194 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe" "__IRCT:0" "__IRTSS:0" "__IRSID:S-1-5-21-2412658365-3084825385-3340777666-1000"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3260

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

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Downloads

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

Filesize
1.3MB

MD5
dec931e86140139380ea0df57cd132b6

SHA1
b717fd548382064189c16cb94dda28b1967a5712

SHA256
5ffd4b20dccfb84c8890abdb780184a7651e760aefba4ab0c6fba5b2a81f97d9

SHA512
14d594e88c4a1f0ec8bc1b4fe2d66e26358f907b1106c047ada35d500ca9e608f1ce5a57599453cf10f11f4d9f1948ced9056ce8bd944b16eca7e9b83e8b27af

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

Filesize
318KB

MD5
b5fc476c1bf08d5161346cc7dd4cb0ba

SHA1
280fac9cf711d93c95f6b80ac97d89cf5853c096

SHA256
12cb9b8f59c00ef40ea8f28bfc59a29f12dc28332bf44b1a5d8d6a8823365650

SHA512
17fa97f399287b941e958d2d42fe6adb62700b01d9dbe0c824604e8e06d903b330f9d7d8ffb109bfb7f6742f46e7e9cedad6981f0d94d629b8402d0a0174f697

Download Submit
memory/3260-12-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/3260-24-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download