552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e

General

Target

552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe
Size

92KB
MD5

84593b1faf3fd1b1b06ad6c626037633
SHA1

3ca61c457df216a5a3ca4b0a088039785cdef7a9
SHA256

552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e
SHA512

1b036d117dcc7c90e318f48f1db219be750d9444da6666a089c3daca8c11b59007c8f9b3c9ca05869457fea87384f808513d2102a75d6c558e058aa2f274460b
SSDEEP

1536:Dv+vzSjbJ2F/bJKqOBGpBZ6E1EZ2SsNqTyraNUsdo4zgir6vpAl:ivzCcFTJK5BG2Z2LNqWoUdpAl

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

regsvr32.exe

pid process

1340 regsvr32.exe

pid	process
1340	regsvr32.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{7M8A6G00-3I18-11C0-821H-444200140P0S}	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7M8A6G00-3I18-11C0-821H-444200140P0S}\StubPath = "C:\\Windows\\system32\\OLE32Init.exe"	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{7M8A6G00-3I18-11C0-821H-444200140P0S}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7M8A6G00-3I18-11C0-821H-444200140P0S}\StubPath = "C:\\Windows\\system32\\OLE32Init.exe"	regsvr32.exe

Drops file in System32 directory 2 IoCs

Processes:

552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe

description	ioc	process
File created	C:\Windows\SysWOW64\OLE32Init.exe	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe
File opened for modification	C:\Windows\SysWOW64\OLE32Init.exe	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe

Drops file in Windows directory 2 IoCs

Processes:

552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe

description	ioc	process
File opened for modification	C:\Windows\regsvr32.exe	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe
File created	C:\Windows\regsvr32.exe	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe

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

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regsvr32.exe

pid process

1340 regsvr32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid process

996 DllHost.exe

pid	process
1340	regsvr32.exe

pid	process
996	DllHost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe

description	pid	process	target process
PID 1844 wrote to memory of 1340	1844	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe	regsvr32.exe
PID 1844 wrote to memory of 1340	1844	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe	regsvr32.exe
PID 1844 wrote to memory of 1340	1844	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe	regsvr32.exe
PID 1844 wrote to memory of 1340	1844	552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe
"C:\Users\Admin\AppData\Local\Temp\552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e.exe"
1⤵
- Modifies Installed Components in the registry
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1844

C:\Windows\regsvr32.exe
C:\Windows\regsvr32.exe
2⤵
- Executes dropped EXE
- Modifies Installed Components in the registry
- Suspicious behavior: GetForegroundWindowSpam
PID:1340

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:996

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\429581_286083708132098_100001914136218_703738_1749634620_n.jpg
Filesize
48KB

MD5
83f87883a00abc25e33084d5865b6bcc

SHA1
204e72bac317b0d751279e021937ac0c9aed2061

SHA256
143f1f3d5fd683bb2fd612b4603c2b7835e579fe8f47887d1d55db0c73348123

SHA512
d53a0ab01d520484c85baa53ddc9c66b1a7611f8b158e5c2173798aab6080aa9ead128d955ced33da8bd8ad7273a3aa521c2724c7f14305c13222d8be3a4cf28

Download Submit
C:\Windows\SysWOW64\OLE32Init.exe
Filesize
92KB

MD5
84593b1faf3fd1b1b06ad6c626037633

SHA1
3ca61c457df216a5a3ca4b0a088039785cdef7a9

SHA256
552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e

SHA512
1b036d117dcc7c90e318f48f1db219be750d9444da6666a089c3daca8c11b59007c8f9b3c9ca05869457fea87384f808513d2102a75d6c558e058aa2f274460b

Download Submit
C:\Windows\regsvr32.exe
Filesize
92KB

MD5
84593b1faf3fd1b1b06ad6c626037633

SHA1
3ca61c457df216a5a3ca4b0a088039785cdef7a9

SHA256
552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e

SHA512
1b036d117dcc7c90e318f48f1db219be750d9444da6666a089c3daca8c11b59007c8f9b3c9ca05869457fea87384f808513d2102a75d6c558e058aa2f274460b

Download Submit
C:\Windows\regsvr32.exe
Filesize
92KB

MD5
84593b1faf3fd1b1b06ad6c626037633

SHA1
3ca61c457df216a5a3ca4b0a088039785cdef7a9

SHA256
552a762da1fbb301948b2495d594ee7329181ff2f230f2def1140ff05b426c0e

SHA512
1b036d117dcc7c90e318f48f1db219be750d9444da6666a089c3daca8c11b59007c8f9b3c9ca05869457fea87384f808513d2102a75d6c558e058aa2f274460b

Download Submit
memory/1340-57-0x0000000000000000-mapping.dmp

Download
memory/1340-63-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1844-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/1844-55-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1844-59-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads