2fa0de77949c1c80710b166f0658bf2c3a9cf5772dba6640d68807015c5dd78a

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 10:51

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General

Target

b486869f5d0455cd0179ede65d334ddb.exe
Size

115KB
MD5

b486869f5d0455cd0179ede65d334ddb
SHA1

89846a60ec8f3380781331c58d10e66886bd755f
SHA256

2fa0de77949c1c80710b166f0658bf2c3a9cf5772dba6640d68807015c5dd78a
SHA512

e701c883c398de4673e700f851cda070f728d9b4446362b2fcb6927a37834abf374f7254eddf0cf95d9db7271702ba233199d900f8de7bda0c221b1369fad45f
SSDEEP

1536:E33gB2Aj5E33sIstpxNhB8AmlI9mSui8NDz9RBkChaNomb:GqzGsI0hgAmomSuiKDJRBkMxS

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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	b486869f5d0455cd0179ede65d334ddb.exe

Executes dropped EXE 1 IoCs

pid	Process
4596	WinHom.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\WinHom.exe	b486869f5d0455cd0179ede65d334ddb.exe
File created	C:\Windows\As.ico	b486869f5d0455cd0179ede65d334ddb.exe

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

System Information Discovery
T1082

Modifies registry class 30 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\Shell\ÊôÐÔ(&D)\Command\ = "Rundll32.exe Shell32.dll,Control_RunDLL Inetcpl.cpl"	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\Shell\Open(&O)	b486869f5d0455cd0179ede65d334ddb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DefaultIcon\ = "C:\\Windows\\As.ico"	b486869f5d0455cd0179ede65d334ddb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\Shell\Open(&O)\Command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE %1 h%t%t%p:%//%w%w%w.%y%a%o%ch%a.l%a"	b486869f5d0455cd0179ede65d334ddb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\Shell\Open(&O)\ = "Open(&O)"	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Shell\Open(&O)\Command	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Shell\Open(&O)	b486869f5d0455cd0179ede65d334ddb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\ = "Internet Explorer"	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\Shell	b486869f5d0455cd0179ede65d334ddb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Shell\ÊôÐÔ(&D)\Command	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Shell	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\DefaultIcon	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\Shell\ÊôÐÔ(&D)	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DefaultIcon	b486869f5d0455cd0179ede65d334ddb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Shell\Open(&O)\Command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE "	b486869f5d0455cd0179ede65d334ddb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Shell\Open(&O)\ = "Open(&O)"	b486869f5d0455cd0179ede65d334ddb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\ShellFolder\Attributes = "0"	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\Shell\ÊôÐÔ(&D)\Command	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\ShellFolder	b486869f5d0455cd0179ede65d334ddb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\DefaultIcon\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE"	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\	b486869f5d0455cd0179ede65d334ddb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Shell\ÊôÐÔ(&D)\Command\ = "Rundll32.exe Shell32.dll,Control_RunDLL Inetcpl.cpl"	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ShellFolder	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	b486869f5d0455cd0179ede65d334ddb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\ShellFolder\Attributes = "0"	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Shell\ÊôÐÔ(&D)	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	b486869f5d0455cd0179ede65d334ddb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D8B9F522-3C24-11D4-97C2-0080C882687E}\Shell\Open(&O)\Command	b486869f5d0455cd0179ede65d334ddb.exe

Runs .reg file with regedit 3 IoCs

pid	Process
4340	regedit.exe
3144	regedit.exe
1452	regedit.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4596	WinHom.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 4340	3604	b486869f5d0455cd0179ede65d334ddb.exe	89
PID 3604 wrote to memory of 4340	3604	b486869f5d0455cd0179ede65d334ddb.exe	89
PID 3604 wrote to memory of 4340	3604	b486869f5d0455cd0179ede65d334ddb.exe	89
PID 3604 wrote to memory of 3144	3604	b486869f5d0455cd0179ede65d334ddb.exe	90
PID 3604 wrote to memory of 3144	3604	b486869f5d0455cd0179ede65d334ddb.exe	90
PID 3604 wrote to memory of 3144	3604	b486869f5d0455cd0179ede65d334ddb.exe	90
PID 3604 wrote to memory of 1452	3604	b486869f5d0455cd0179ede65d334ddb.exe	91
PID 3604 wrote to memory of 1452	3604	b486869f5d0455cd0179ede65d334ddb.exe	91
PID 3604 wrote to memory of 1452	3604	b486869f5d0455cd0179ede65d334ddb.exe	91
PID 3604 wrote to memory of 4596	3604	b486869f5d0455cd0179ede65d334ddb.exe	92
PID 3604 wrote to memory of 4596	3604	b486869f5d0455cd0179ede65d334ddb.exe	92
PID 3604 wrote to memory of 4596	3604	b486869f5d0455cd0179ede65d334ddb.exe	92
PID 3604 wrote to memory of 100	3604	b486869f5d0455cd0179ede65d334ddb.exe	93
PID 3604 wrote to memory of 100	3604	b486869f5d0455cd0179ede65d334ddb.exe	93
PID 3604 wrote to memory of 100	3604	b486869f5d0455cd0179ede65d334ddb.exe	93

C:\Users\Admin\AppData\Local\Temp\b486869f5d0455cd0179ede65d334ddb.exe
"C:\Users\Admin\AppData\Local\Temp\b486869f5d0455cd0179ede65d334ddb.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Windows\SysWOW64\regedit.exe
  regedit /s C:\Users\Admin\AppData\Local\Temp\As.reg
  2⤵
  - Runs .reg file with regedit
  PID:4340
- C:\Windows\SysWOW64\regedit.exe
  regedit /s C:\Users\Admin\AppData\Local\Temp\As.reg
  2⤵
  - Runs .reg file with regedit
  PID:3144
- C:\Windows\SysWOW64\regedit.exe
  regedit /s C:\Users\Admin\AppData\Local\Temp\As.reg
  2⤵
  - Runs .reg file with regedit
  PID:1452
- C:\Windows\WinHom.exe
  "C:\Windows\WinHom.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4596
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\b486869f5d0455cd0179ede65d334ddb.exe"
  2⤵
  PID:100

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

C:\Users\Admin\AppData\Local\Temp\As.reg

Filesize
191B

MD5
8ce1e0204d80e9acfdf66075942b89de

SHA1
dd5ad43c5567e1cdb1a5fef5775d09ace0ed4ffe

SHA256
d804bfbe0fcda12c7eac87d50d97711d58d9233c9fa4dbc28df06fceee614fba

SHA512
f14d237ccdf68e09c71f0445bd3469ceb4147e02c85aec0346e69787999cc6c58b9bef15a3aa36ba533d55296cc400e0a193cf7dc3cf5ac5d1bcd17d42021f9f

Download Submit
C:\Users\Admin\AppData\Local\Temp\As.reg

Filesize
136B

MD5
29e90ccb597f9d84e6b8ed0573a5ed16

SHA1
0e596e582edad25cc0d110368a94e21b913a4611

SHA256
9b49398b2740012e3b439bb6d124d99b506e2c20ce34825ac56df4c3867ca876

SHA512
11eacace0cdf5d5c8d137acaa81f1fb03d13edb570e6fa4a77b686fe6e29c0f4502f7fa3f842bf7a979419b2dc1014ae204540aff3acca9a6c6ba9a49a7ab8ed

Download Submit
C:\Windows\WinHom.exe

Filesize
8KB

MD5
776e2ef225c629cb923d8aca937920e7

SHA1
64beb91d93aea435417ddd526d62d49229d96d79

SHA256
d7f692df91931910fd78a6595d066f345872611d7502839dc9ffced5dc37df54

SHA512
a03be154a6442b8588923811963220c247d720861946a830496321c6988602ee5d84fd97f1eb89017f166c0d7e61de687d5ffc0f5c9e6106adbbbae312dcd424

Download Submit
memory/3604-0-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/3604-21-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/4596-17-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4596-18-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/4596-24-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download