f756eb7ac1830a7d6f2d6494995e483421895c125f335106b1e023c05ca602a6

Analysis

max time kernel
119s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 14:21

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General

Target

3d658ea8d1d631607e0f947e8dd78d60N.exe
Size

20KB
MD5

3d658ea8d1d631607e0f947e8dd78d60
SHA1

5c5ea949d1ccb802135b4926765b767892445efc
SHA256

f756eb7ac1830a7d6f2d6494995e483421895c125f335106b1e023c05ca602a6
SHA512

05236af35623c3a6f85a4740a32ab25d723d6ef8309d5709419f4b29cb350b5ebeb676a3b037b12b8586242733df61994738255c3a86bda668d655e6002b2298
SSDEEP

384:UCcGwJGWjzc7Vmm2IQ0wgvRcOAUZtM+LUr/afjuByAty:TcfGWaZ2IQ0NlM+6/afjuVy

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	3d658ea8d1d631607e0f947e8dd78d60N.exe

Executes dropped EXE 1 IoCs

pid	Process
1168	cnwog.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4004-0-0x0000000000C30000-0x0000000000C3C000-memory.dmp	upx
behavioral2/files/0x0009000000023342-7.dat	upx
behavioral2/memory/1168-10-0x0000000000650000-0x000000000065C000-memory.dmp	upx
behavioral2/memory/4004-13-0x0000000000C30000-0x0000000000C3C000-memory.dmp	upx
behavioral2/memory/1168-16-0x0000000000650000-0x000000000065C000-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	3d658ea8d1d631607e0f947e8dd78d60N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cnwog.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 1168	4004	3d658ea8d1d631607e0f947e8dd78d60N.exe	84
PID 4004 wrote to memory of 1168	4004	3d658ea8d1d631607e0f947e8dd78d60N.exe	84
PID 4004 wrote to memory of 1168	4004	3d658ea8d1d631607e0f947e8dd78d60N.exe	84

C:\Users\Admin\AppData\Local\Temp\3d658ea8d1d631607e0f947e8dd78d60N.exe
"C:\Users\Admin\AppData\Local\Temp\3d658ea8d1d631607e0f947e8dd78d60N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Users\Admin\AppData\Local\Temp\cnwog.exe
  "C:\Users\Admin\AppData\Local\Temp\cnwog.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1168

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\cnwog.exe

Filesize
20KB

MD5
354b94a662faba172856cbd0746833b3

SHA1
341afae76bf71fefc51c6c3a0e20c6fe3cabf666

SHA256
ba04910998925a6fd5cb43e17bbb78de93619fec32e11d9b4f4ca72b5ec177c9

SHA512
a1de1444118189b150d30210d98b279f1c99e0f574ff3fef84e151342ebbb4261608888ba0446a5bced93004d5cc798b3b625f2a7a4ce9d790b8b92b30614bf4

Download Submit
memory/1168-10-0x0000000000650000-0x000000000065C000-memory.dmp

Filesize
48KB

Download
memory/1168-16-0x0000000000650000-0x000000000065C000-memory.dmp

Filesize
48KB

Download
memory/4004-0-0x0000000000C30000-0x0000000000C3C000-memory.dmp

Filesize
48KB

Download
memory/4004-1-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4004-13-0x0000000000C30000-0x0000000000C3C000-memory.dmp

Filesize
48KB

Download