32c2b0e2b89103da6722110439572b10fd288054af0c7651b00d3d3568ce475a

Analysis

max time kernel
196s
max time network
204s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 01:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c9e6dee589715daa2c0bde8d9a9de139_JC.exe
Size

48KB
MD5

c9e6dee589715daa2c0bde8d9a9de139
SHA1

a46154a248df435adab1e58cfadd2b56dd653c92
SHA256

32c2b0e2b89103da6722110439572b10fd288054af0c7651b00d3d3568ce475a
SHA512

aafa36cf637511c61d29f4429e82a1f91ac0dda3abea7eb47ae4db603f3c88eb1ce6eafd0b8aead4f697dd326e108193f017c9bea7191382e2886345e9e8b4ab
SSDEEP

768:4vQ5qeLHRdw2iPSMEk/6KMvu571x6EMb96/yX:4vQVLHjw2iWPKMvw71A7oyX

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-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	c9e6dee589715daa2c0bde8d9a9de139_JC.exe

Executes dropped EXE 3 IoCs

pid	Process
4896	fsohost.exe
412	fsohost.exe
4900	fsohost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\fsohost.exe	c9e6dee589715daa2c0bde8d9a9de139_JC.exe
File created	C:\Windows\Debug\fsohost.exe	c9e6dee589715daa2c0bde8d9a9de139_JC.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
656	4896	WerFault.exe	88
1952	412	WerFault.exe	96
1524	4900	WerFault.exe	103

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5104	c9e6dee589715daa2c0bde8d9a9de139_JC.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 5084	5104	c9e6dee589715daa2c0bde8d9a9de139_JC.exe	91
PID 5104 wrote to memory of 5084	5104	c9e6dee589715daa2c0bde8d9a9de139_JC.exe	91
PID 5104 wrote to memory of 5084	5104	c9e6dee589715daa2c0bde8d9a9de139_JC.exe	91

C:\Users\Admin\AppData\Local\Temp\c9e6dee589715daa2c0bde8d9a9de139_JC.exe
"C:\Users\Admin\AppData\Local\Temp\c9e6dee589715daa2c0bde8d9a9de139_JC.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C9E6DE~1.EXE > nul
  2⤵
  PID:5084

C:\Windows\Debug\fsohost.exe
C:\Windows\Debug\fsohost.exe
1⤵
- Executes dropped EXE
PID:4896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 592
  2⤵
  - Program crash
  PID:656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4896 -ip 4896
1⤵
PID:4740

C:\Windows\Debug\fsohost.exe
C:\Windows\Debug\fsohost.exe
1⤵
- Executes dropped EXE
PID:412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 412 -s 564
  2⤵
  - Program crash
  PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 412 -ip 412
1⤵
PID:932

C:\Windows\Debug\fsohost.exe
C:\Windows\Debug\fsohost.exe
1⤵
- Executes dropped EXE
PID:4900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 564
  2⤵
  - Program crash
  PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4900 -ip 4900
1⤵
PID:3684

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

Loading Replay Monitor...

Downloads

C:\Windows\Debug\fsohost.exe

Filesize
48KB

MD5
91341f5c4eb5e69057cf8651fb24bfc3

SHA1
8c38bee6d2189ecc5ed2869c86d732d24f48a9db

SHA256
4e2d2efe23d4935eeffe96985f102c4eaa35064d067abe94a25f9715fe4785ca

SHA512
88156825731df5001ff1d0c51dd50f42a5b0cf0b0857fa6b43b6113ecceba7b6acbf9ae7b88037eed5e8a3294f96b1d12d0a3f92c1ba0bec6c1e69dab1096e3a

Download Submit
C:\Windows\debug\fsohost.exe

Filesize
48KB

MD5
91341f5c4eb5e69057cf8651fb24bfc3

SHA1
8c38bee6d2189ecc5ed2869c86d732d24f48a9db

SHA256
4e2d2efe23d4935eeffe96985f102c4eaa35064d067abe94a25f9715fe4785ca

SHA512
88156825731df5001ff1d0c51dd50f42a5b0cf0b0857fa6b43b6113ecceba7b6acbf9ae7b88037eed5e8a3294f96b1d12d0a3f92c1ba0bec6c1e69dab1096e3a

Download Submit
C:\Windows\debug\fsohost.exe

Filesize
48KB

MD5
91341f5c4eb5e69057cf8651fb24bfc3

SHA1
8c38bee6d2189ecc5ed2869c86d732d24f48a9db

SHA256
4e2d2efe23d4935eeffe96985f102c4eaa35064d067abe94a25f9715fe4785ca

SHA512
88156825731df5001ff1d0c51dd50f42a5b0cf0b0857fa6b43b6113ecceba7b6acbf9ae7b88037eed5e8a3294f96b1d12d0a3f92c1ba0bec6c1e69dab1096e3a

Download Submit
C:\Windows\debug\fsohost.exe

Filesize
48KB

MD5
91341f5c4eb5e69057cf8651fb24bfc3

SHA1
8c38bee6d2189ecc5ed2869c86d732d24f48a9db

SHA256
4e2d2efe23d4935eeffe96985f102c4eaa35064d067abe94a25f9715fe4785ca

SHA512
88156825731df5001ff1d0c51dd50f42a5b0cf0b0857fa6b43b6113ecceba7b6acbf9ae7b88037eed5e8a3294f96b1d12d0a3f92c1ba0bec6c1e69dab1096e3a

Download Submit
memory/412-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4896-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4900-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5104-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5104-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download