cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d

Analysis

max time kernel
36s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-12-2022 23:39

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General

Target

cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe
Size

154KB
MD5

89db710f7c7ed95c9fadd0bd06049111
SHA1

147a224cc885e24029235bb3e1d378ab140d14af
SHA256

cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d
SHA512

c09a321e5e6915d683123e2aca753164bd61655f3f263cb28a30467365ed915d58863e20b7ade380ff61b666ee5bb27f6214ab988ea37d9c8b08e5c4f4bfdd90
SSDEEP

3072:+iNvADVbmHGL0IVh4ZeCdDLb6fzRhMnmkAs3BIBniNWSlkn:+SvADVbkGLZwHJLer/MnmkAs3aBvSs

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wincomdll = "C:\\Windows\\system32\\windllup\\dllwinup.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wincomdll = "C:\\Windows\\system32\\windllup\\dllwinup.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	explorer.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{IVI080EX-7N31-CTLW-8706-UA5J81HW76YR}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{IVI080EX-7N31-CTLW-8706-UA5J81HW76YR}\StubPath = "C:\\Windows\\system32\\windllup\\dllwinup.exe Restart"	explorer.exe

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1988-76-0x0000000000320000-0x000000000032D000-memory.dmp	upx
behavioral1/memory/1988-80-0x0000000000330000-0x000000000033D000-memory.dmp	upx
behavioral1/memory/1988-85-0x0000000010490000-0x000000001049D000-memory.dmp	upx
behavioral1/memory/1988-91-0x00000000104A0000-0x00000000104AD000-memory.dmp	upx
behavioral1/memory/1988-97-0x00000000104B0000-0x00000000104BD000-memory.dmp	upx
behavioral1/memory/1988-103-0x00000000104C0000-0x00000000104CD000-memory.dmp	upx
behavioral1/memory/1988-109-0x00000000104D0000-0x00000000104DD000-memory.dmp	upx
behavioral1/memory/1988-115-0x00000000104E0000-0x00000000104ED000-memory.dmp	upx
behavioral1/memory/1988-121-0x00000000104F0000-0x00000000104FD000-memory.dmp	upx
behavioral1/memory/1988-127-0x0000000010500000-0x000000001050D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winupcom = "C:\\Windows\\system32\\windllup\\dllwinup.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\systemdll = "C:\\Windows\\system32\\windllup\\dllwinup.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	explorer.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\windllup\dllwinup.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\windllup\dllwinup.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\windllup\plugin.dat	explorer.exe
File opened for modification	C:\Windows\SysWOW64\windllup\	explorer.exe
File created	C:\Windows\SysWOW64\windllup\logsystem.dat	explorer.exe
File opened for modification	C:\Windows\SysWOW64\windllup\logsystem.dat	explorer.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe
Token: SeDebugPrivilege	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe
Token: SeDebugPrivilege	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe
Token: SeDebugPrivilege	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe
Token: SeDebugPrivilege	1640	explorer.exe
Token: SeDebugPrivilege	1640	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16
PID 1988 wrote to memory of 1384	1988	cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe	16

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

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:464
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:808
- - C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    3⤵
    PID:1316
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1036
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1216
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:1636
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1116
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:296
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:300
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:872
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:844
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:756
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:672
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:592

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:412

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:380

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:332

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1384
- C:\Users\Admin\AppData\Local\Temp\cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe
  "C:\Users\Admin\AppData\Local\Temp\cb7c72b25861439f1a4a72bcc179b3de674194aa7236b4b8907e5c041bb1835d.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Adds policy Run key to start application
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    - Drops file in System32 directory
    - Suspicious use of AdjustPrivilegeToken
    PID:1640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/260-88-0x0000000010490000-0x000000001049D000-memory.dmp

Filesize
52KB

Download
memory/1384-61-0x0000000010410000-0x0000000010441000-memory.dmp

Filesize
196KB

Download
memory/1640-83-0x0000000010450000-0x0000000010481000-memory.dmp

Filesize
196KB

Download
memory/1640-66-0x0000000074FF1000-0x0000000074FF3000-memory.dmp

Filesize
8KB

Download
memory/1640-138-0x0000000010450000-0x0000000010481000-memory.dmp

Filesize
196KB

Download
memory/1640-65-0x0000000075911000-0x0000000075913000-memory.dmp

Filesize
8KB

Download
memory/1988-91-0x00000000104A0000-0x00000000104AD000-memory.dmp

Filesize
52KB

Download
memory/1988-55-0x0000000010410000-0x0000000010441000-memory.dmp

Filesize
196KB

Download
memory/1988-85-0x0000000010490000-0x000000001049D000-memory.dmp

Filesize
52KB

Download
memory/1988-80-0x0000000000330000-0x000000000033D000-memory.dmp

Filesize
52KB

Download
memory/1988-76-0x0000000000320000-0x000000000032D000-memory.dmp

Filesize
52KB

Download
memory/1988-97-0x00000000104B0000-0x00000000104BD000-memory.dmp

Filesize
52KB

Download
memory/1988-103-0x00000000104C0000-0x00000000104CD000-memory.dmp

Filesize
52KB

Download
memory/1988-109-0x00000000104D0000-0x00000000104DD000-memory.dmp

Filesize
52KB

Download
memory/1988-115-0x00000000104E0000-0x00000000104ED000-memory.dmp

Filesize
52KB

Download
memory/1988-121-0x00000000104F0000-0x00000000104FD000-memory.dmp

Filesize
52KB

Download
memory/1988-127-0x0000000010500000-0x000000001050D000-memory.dmp

Filesize
52KB

Download
memory/1988-67-0x0000000010450000-0x0000000010481000-memory.dmp

Filesize
196KB

Download