407fb414b0fcec0bd9a0cbaadfedd14c5995c2c6147ca49228733c78348a2f63

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-01-2024 09:18

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General

Target

67408553f723f42dc8a080108df72fc3.dll
Size

11KB
MD5

67408553f723f42dc8a080108df72fc3
SHA1

0755d2c692edb9de190942edb77093e550efc047
SHA256

407fb414b0fcec0bd9a0cbaadfedd14c5995c2c6147ca49228733c78348a2f63
SHA512

bc73bf75f033d25cdaa2eb69cd5b57c33407ee76b1c5dd98be032b4f1ea9535dfa2f4e673cad3a6da4a2cbd04553c0e3a9ac855bb20928f164e2fb6c7ab856cf
SSDEEP

192:C9u5qK0Tz2ZRrL0GaHMQ0UOmPQKzYoun1dLtjAJjcU9eL5rWKmboK4YHCFCkgUwM:8uEK0TARr9CHh3Youn1dZslcUkl1msK8

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msosmnsf00.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\msosmnsf00.dll	rundll32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2356	rundll32.exe
2356	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	rundll32.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2356	2056	rundll32.exe	28
PID 2056 wrote to memory of 2356	2056	rundll32.exe	28
PID 2056 wrote to memory of 2356	2056	rundll32.exe	28
PID 2056 wrote to memory of 2356	2056	rundll32.exe	28
PID 2056 wrote to memory of 2356	2056	rundll32.exe	28
PID 2056 wrote to memory of 2356	2056	rundll32.exe	28
PID 2056 wrote to memory of 2356	2056	rundll32.exe	28
PID 2356 wrote to memory of 260	2356	rundll32.exe	27
PID 2356 wrote to memory of 336	2356	rundll32.exe	26
PID 2356 wrote to memory of 384	2356	rundll32.exe	25
PID 2356 wrote to memory of 400	2356	rundll32.exe	24
PID 2356 wrote to memory of 436	2356	rundll32.exe	23
PID 2356 wrote to memory of 480	2356	rundll32.exe	22
PID 2356 wrote to memory of 496	2356	rundll32.exe	21
PID 2356 wrote to memory of 504	2356	rundll32.exe	20
PID 2356 wrote to memory of 600	2356	rundll32.exe	19
PID 2356 wrote to memory of 680	2356	rundll32.exe	18
PID 2356 wrote to memory of 748	2356	rundll32.exe	17
PID 2356 wrote to memory of 824	2356	rundll32.exe	16
PID 2356 wrote to memory of 860	2356	rundll32.exe	15
PID 2356 wrote to memory of 972	2356	rundll32.exe	13
PID 2356 wrote to memory of 276	2356	rundll32.exe	12
PID 2356 wrote to memory of 1044	2356	rundll32.exe	11
PID 2356 wrote to memory of 1076	2356	rundll32.exe	10
PID 2356 wrote to memory of 1100	2356	rundll32.exe	9
PID 2356 wrote to memory of 1112	2356	rundll32.exe	8
PID 2356 wrote to memory of 1172	2356	rundll32.exe	7
PID 2356 wrote to memory of 1456	2356	rundll32.exe	5
PID 2356 wrote to memory of 2972	2356	rundll32.exe	4
PID 2356 wrote to memory of 2052	2356	rundll32.exe	3
PID 2356 wrote to memory of 2056	2356	rundll32.exe	1

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\67408553f723f42dc8a080108df72fc3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\67408553f723f42dc8a080108df72fc3.dll,#1
  2⤵
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2356

C:\Windows\system32\sppsvc.exe
C:\Windows\system32\sppsvc.exe
1⤵
PID:2052

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
1⤵
PID:2972

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1456

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
1⤵
PID:1172

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:1100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1076

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
1⤵
PID:276

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
1⤵
PID:972

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:860

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
1⤵
PID:824

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
1⤵
PID:748

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
1⤵
PID:680

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
1⤵
PID:600

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:504

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:496

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:480

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:436

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:400

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:384

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:336

C:\Windows\System32\smss.exe
\SystemRoot\System32\smss.exe
1⤵
PID:260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/260-4-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/260-7-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2356-0-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/2356-1-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/2356-86-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download