b589b79d19de9389c621142fc05f9bd180a1c84f7d2ee701d6f8ace9e0ccab25

Analysis

max time kernel
129s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 05:18

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General

Target

b589b79d19de9389c621142fc05f9bd180a1c84f7d2ee701d6f8ace9e0ccab25.dll
Size

1.6MB
MD5

80a52efd0c41ba37770c711fb85ca4f0
SHA1

508a62cdf6835cc78fb90d2a0723bf55e3556b90
SHA256

b589b79d19de9389c621142fc05f9bd180a1c84f7d2ee701d6f8ace9e0ccab25
SHA512

2e59884bf8dfffcefc3ac67d56b399b2a00bd5cefd7cec4be1ad164115b6d41b5547419ff85aa1e4dc82a593a3b2ee7561ad358abc3e30b39c3a1580a21fc025
SSDEEP

3072:G3huG90E7NOkdvaURX0iyUhfImen+ELTD2qnFkscO8Nw0r8usH3:euG9nN91R0iHFI1LTDpeK8Os

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SENS\Parameters\ServiceDll = "C:\\PROGRA~3\\dimasonimnj.dat"	rundll32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\PROGRA~3\dimasonimnj.dat	rundll32.exe
File opened for modification	C:\PROGRA~3\dimasonimnj.dat	rundll32.exe
File created	C:\PROGRA~3\jnminosamid.dat	rundll32.exe
File opened for modification	C:\PROGRA~3\jnminosamid.dat	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{0B24D55E-1EA3-4C7B-884A-69562E1E88E7}.crmlog	dllhost.exe
File opened for modification	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{0B24D55E-1EA3-4C7B-884A-69562E1E88E7}.crmlog	dllhost.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3740	4868	WerFault.exe	84

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4868	rundll32.exe
4868	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4868	rundll32.exe
Token: SeDebugPrivilege	4868	rundll32.exe
Token: SeDebugPrivilege	4868	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4868	rundll32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 4868	4904	rundll32.exe	84
PID 4904 wrote to memory of 4868	4904	rundll32.exe	84
PID 4904 wrote to memory of 4868	4904	rundll32.exe	84
PID 4868 wrote to memory of 788	4868	rundll32.exe	82
PID 4868 wrote to memory of 4684	4868	rundll32.exe	85
PID 4868 wrote to memory of 4684	4868	rundll32.exe	85
PID 4868 wrote to memory of 4684	4868	rundll32.exe	85
PID 4684 wrote to memory of 2108	4684	cmd.exe	88
PID 4684 wrote to memory of 2108	4684	cmd.exe	88
PID 4684 wrote to memory of 2108	4684	cmd.exe	88
PID 2108 wrote to memory of 4156	2108	net.exe	89
PID 2108 wrote to memory of 4156	2108	net.exe	89
PID 2108 wrote to memory of 4156	2108	net.exe	89
PID 4868 wrote to memory of 3552	4868	rundll32.exe	91
PID 4868 wrote to memory of 3552	4868	rundll32.exe	91
PID 4868 wrote to memory of 3552	4868	rundll32.exe	91
PID 3552 wrote to memory of 3300	3552	cmd.exe	93
PID 3552 wrote to memory of 3300	3552	cmd.exe	93
PID 3552 wrote to memory of 3300	3552	cmd.exe	93
PID 3300 wrote to memory of 2044	3300	net.exe	94
PID 3300 wrote to memory of 2044	3300	net.exe	94
PID 3300 wrote to memory of 2044	3300	net.exe	94

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
1⤵
PID:788

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b589b79d19de9389c621142fc05f9bd180a1c84f7d2ee701d6f8ace9e0ccab25.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b589b79d19de9389c621142fc05f9bd180a1c84f7d2ee701d6f8ace9e0ccab25.dll,#1
  2⤵
  - Sets DLL path for service in the registry
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c net start COMSysApp
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4684
  - - C:\Windows\SysWOW64\net.exe
      net start COMSysApp
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2108
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 start COMSysApp
        5⤵
        
        PID:4156
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c net start SENS
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Windows\SysWOW64\net.exe
      net start SENS
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3300
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 start SENS
        5⤵
        
        PID:2044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 692
    3⤵
    - Program crash
    PID:3740

C:\Windows\system32\dllhost.exe
C:\Windows\system32\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235}
1⤵
- Drops file in Windows directory
PID:2992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4868 -ip 4868
1⤵
PID:4948

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:2212

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

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Downloads

memory/4868-134-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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memory/4868-137-0x00000000029F0000-0x0000000002A16000-memory.dmp

Filesize
152KB

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