eb3ca646cb614b738a490b9c9d3e2be52e2198a4e9002776496957299a8e8930

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/02/2024, 18:38

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General

Target

a9df637248d2d0dcecbe64a12f5ad91e.exe
Size

15KB
MD5

a9df637248d2d0dcecbe64a12f5ad91e
SHA1

2032dcb4ea72d85fd6417534b44155a88c7c1141
SHA256

eb3ca646cb614b738a490b9c9d3e2be52e2198a4e9002776496957299a8e8930
SHA512

7af93c62e0625cc72a0d068d762223296f3d807204b4d222d6df315ab35ff241efa7234f70861589aaa61ca9494c8a9268ca12d6a62a7cc5925096a0e0f8f354
SSDEEP

384:j2FLS0+hIgcKIuq6NgJ6U+IqJ/iTMktppf4JwY5d:jYS0QwKI5CUPqJ/intr4C2d

Score

8^/10

persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\msosmsfpfis64.sys	a9df637248d2d0dcecbe64a12f5ad91e.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
3060	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2936	a9df637248d2d0dcecbe64a12f5ad91e.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msosfmsq00.dll	a9df637248d2d0dcecbe64a12f5ad91e.exe
File opened for modification	C:\Windows\SysWOW64\msosfmsq00.dll	a9df637248d2d0dcecbe64a12f5ad91e.exe
File opened for modification	C:\Windows\SysWOW64\msosfmsq.dat	a9df637248d2d0dcecbe64a12f5ad91e.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	a9df637248d2d0dcecbe64a12f5ad91e.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2936	a9df637248d2d0dcecbe64a12f5ad91e.exe
2936	a9df637248d2d0dcecbe64a12f5ad91e.exe
2936	a9df637248d2d0dcecbe64a12f5ad91e.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
464	services.exe
464	services.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 260	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	7
PID 2936 wrote to memory of 336	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	6
PID 2936 wrote to memory of 372	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	5
PID 2936 wrote to memory of 384	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	4
PID 2936 wrote to memory of 420	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	3
PID 2936 wrote to memory of 464	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	2
PID 2936 wrote to memory of 480	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	1
PID 2936 wrote to memory of 488	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	8
PID 2936 wrote to memory of 604	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	19
PID 2936 wrote to memory of 680	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	18
PID 2936 wrote to memory of 764	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	10
PID 2936 wrote to memory of 812	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	9
PID 2936 wrote to memory of 852	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	17
PID 2936 wrote to memory of 968	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	12
PID 2936 wrote to memory of 280	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	16
PID 2936 wrote to memory of 112	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	15
PID 2936 wrote to memory of 1028	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	13
PID 2936 wrote to memory of 1248	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	14
PID 2936 wrote to memory of 1332	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	20
PID 2936 wrote to memory of 1360	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	22
PID 2936 wrote to memory of 1756	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	23
PID 2936 wrote to memory of 1124	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	24
PID 2936 wrote to memory of 2224	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	25
PID 2936 wrote to memory of 3060	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	28
PID 2936 wrote to memory of 3060	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	28
PID 2936 wrote to memory of 3060	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	28
PID 2936 wrote to memory of 3060	2936	a9df637248d2d0dcecbe64a12f5ad91e.exe	28

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

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
- Suspicious behavior: LoadsDriver
PID:464
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:812
- - C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    3⤵
    PID:1332
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:764
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:968
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1028
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1248
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:112
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:280
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:852
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:680
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:604
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:1756
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1124
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:2224

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

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:384

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:372
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:488

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1360
- C:\Users\Admin\AppData\Local\Temp\a9df637248d2d0dcecbe64a12f5ad91e.exe
  "C:\Users\Admin\AppData\Local\Temp\a9df637248d2d0dcecbe64a12f5ad91e.exe"
  2⤵
  - Drops file in Drivers directory
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\a9df637248d2d0dcecbe64a12f5ad91e.exe"
    3⤵
    - Deletes itself
    PID:3060

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

\Users\Admin\AppData\Local\Temp\tmp5533.tmp

Filesize
10KB

MD5
465b02933468dd714def42201a058c5f

SHA1
5d0fdb1998dd92aac3615ab39a4f90fda848550d

SHA256
5818aa56895d3ed98eab14220b773df9e651a017af0a92f3eec707a35b43de09

SHA512
66b7a6659922310278148ab25140d0931f8945c602ebf22a217cf557f69c993b74f4e8d816f550501c981280a2679bc26f26b9bd3cabef16c0607e3fc493317f

Download Submit
memory/260-9-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/464-28-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2936-10-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

Download
memory/2936-88-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

Download