829b3923c5aa4522cc36b4b0fee7ca6c7d34c35a1966703fe1b9da1876822169

Analysis

max time kernel
111s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 21:08

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General

Target

08c44f3c0c5e903d7b1879b42987a260N.exe
Size

28KB
MD5

08c44f3c0c5e903d7b1879b42987a260
SHA1

3e8c2031989724b9fa0445912eaedf0b96c8b2ca
SHA256

829b3923c5aa4522cc36b4b0fee7ca6c7d34c35a1966703fe1b9da1876822169
SHA512

cab94b0da2c038bc00cb3665f66bdea1e934e49f8a7ef0cd4cbefa197ba20c1dc4124422e4d266642ac7b5415c806a4d6c63886928cd74a9af5f790c3a0c21cf
SSDEEP

384:MqvAXxH6zoHAcIWed4+kSLqrXla7vvxlLjlFVVVV1dFFFFT:zWxMoHNed6a7DZrdFFFFT

Score

8^/10

defense_evasion discovery evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
1720	attrib.exe

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-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	08c44f3c0c5e903d7b1879b42987a260N.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	oqchost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\oqchost.exe	08c44f3c0c5e903d7b1879b42987a260N.exe
File opened for modification	C:\Windows\Debug\oqchost.exe	attrib.exe
File created	C:\Windows\Debug\oqchost.exe	08c44f3c0c5e903d7b1879b42987a260N.exe

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 4 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	08c44f3c0c5e903d7b1879b42987a260N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oqchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4740	08c44f3c0c5e903d7b1879b42987a260N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 1720	4740	08c44f3c0c5e903d7b1879b42987a260N.exe	84
PID 4740 wrote to memory of 1720	4740	08c44f3c0c5e903d7b1879b42987a260N.exe	84
PID 4740 wrote to memory of 1720	4740	08c44f3c0c5e903d7b1879b42987a260N.exe	84
PID 4740 wrote to memory of 5048	4740	08c44f3c0c5e903d7b1879b42987a260N.exe	90
PID 4740 wrote to memory of 5048	4740	08c44f3c0c5e903d7b1879b42987a260N.exe	90
PID 4740 wrote to memory of 5048	4740	08c44f3c0c5e903d7b1879b42987a260N.exe	90

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1720	attrib.exe

C:\Users\Admin\AppData\Local\Temp\08c44f3c0c5e903d7b1879b42987a260N.exe
"C:\Users\Admin\AppData\Local\Temp\08c44f3c0c5e903d7b1879b42987a260N.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\oqchost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\08C44F~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5048

C:\Windows\Debug\oqchost.exe
C:\Windows\Debug\oqchost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

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:\Windows\debug\oqchost.exe

Filesize
28KB

MD5
4ba8a1617a83c185167b66dc5db79844

SHA1
ee1e367af2f9ab9b2390554334d685f29f619c3a

SHA256
819d74cbb258030bfd95ea22d8fd6064f6e919fef25a65e3bd97bfc5e3c2bcec

SHA512
1a03d730d73449aca03d8cdf74719d489689668d56a030e66265792a6c11d90433df3ac95e059b9b7f3edcb5b458310aee2078afb34972cc12f6a1d1a1776c86

Download Submit
memory/2196-5-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2196-7-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2196-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2196-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2196-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4740-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads