e02121138494c3d9dd2fd562645cc3ac1eafa1f28c8fe8e7f2c072f80734e5ad

Analysis

max time kernel
36s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 18:38

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General

Target

00b90a228239015a6ae5e91f645300af.exe
Size

2.3MB
MD5

00b90a228239015a6ae5e91f645300af
SHA1

0b94ebb85712d03a5b4f545833a055420a23e321
SHA256

e02121138494c3d9dd2fd562645cc3ac1eafa1f28c8fe8e7f2c072f80734e5ad
SHA512

9fd2054d4341d703a66d93d6aa58de0a2f2113e6dcea0eccb5082d5a6b36e22a4cc96df8df0921b744fec12e5a3651f00ecce53826c9a9ba2fb2fcd5daa5e54e
SSDEEP

49152:fDfK+gW5pdhoi11+qkPmMbi+Ncu87dlzhDhgMMMZMMMACh43Dp/wPHv:fDfz33dhR11Rkg7NeMMMZMMMACh431/G

Score

7^/10

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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	00b90a228239015a6ae5e91f645300af.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\KartRider.exe	00b90a228239015a6ae5e91f645300af.exe
File opened for modification	C:\Windows\KartRider.exe	00b90a228239015a6ae5e91f645300af.exe

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
3408	1476	WerFault.exe	24
4808	1476	WerFault.exe	24
4480	1476	WerFault.exe	24

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	00b90a228239015a6ae5e91f645300af.exe

C:\Users\Admin\AppData\Local\Temp\00b90a228239015a6ae5e91f645300af.exe
"C:\Users\Admin\AppData\Local\Temp\00b90a228239015a6ae5e91f645300af.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
PID:1476
- C:\Windows\KartRider.exe
  "C:\Windows\KartRider.exe"
  2⤵
  PID:2808
- C:\Windows\Server_Setup.exe
  "C:\Windows\Server_Setup.exe"
  2⤵
  PID:5056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 996
  2⤵
  - Program crash
  PID:3408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 720
  2⤵
  - Program crash
  PID:4808
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 1480
  2⤵
  - Program crash
  PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1476 -ip 1476
1⤵
PID:1032

C:\Windows\Hacker.com.cn.exe
C:\Windows\Hacker.com.cn.exe
1⤵
PID:2784
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:1176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1476 -ip 1476
1⤵
PID:3648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1476 -ip 1476
1⤵
PID:2668

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

memory/1476-99-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2784-98-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2784-101-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/5056-93-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/5056-100-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download