b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699

General

Target

b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe
Size

296KB
MD5

81ab1c6af2437eb2e800e1455573f067
SHA1

ce9cadcd5756360f2e62e75538be626ef49c95c8
SHA256

b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699
SHA512

c2915e2d100c41dcfdf2bd410c7e0e8036c58640e2986392ed013f67354be8e3be1ac3cc5e9ae19998278879ef7362ee8d8eb70ef7d19ac7eb1b5bdc3a017e49
SSDEEP

6144:0GXJvoHat3SeJ1cUSSD6IqtVASLv0ISIdld:1XJAHa5V6o6IeLLcWN

Score

8^/10

persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe

Executes dropped EXE 1 IoCs

Processes:

dplaysvr.exe

pid process

744 dplaysvr.exe

pid	process
744	dplaysvr.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe

Loads dropped DLL 1 IoCs

Processes:

dplaysvr.exe

pid process

744 dplaysvr.exe

pid	process
744	dplaysvr.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\dplaysvr = "C:\\Users\\Admin\\AppData\\Local\\dplaysvr.exe"	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dplaysvr = "C:\\Users\\Admin\\AppData\\Local\\dplaysvr.exe"	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

dplaysvr.exe

pid process

744 dplaysvr.exe

pid	process
744	dplaysvr.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe

description	pid	process	target process
PID 2972 wrote to memory of 744	2972	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe	dplaysvr.exe
PID 2972 wrote to memory of 744	2972	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe	dplaysvr.exe
PID 2972 wrote to memory of 744	2972	b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe	dplaysvr.exe

C:\Users\Admin\AppData\Local\Temp\b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe
"C:\Users\Admin\AppData\Local\Temp\b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe"
1⤵
- Drops file in Drivers directory
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2972

C:\Users\Admin\AppData\Local\dplaysvr.exe
"C:\Users\Admin\AppData\Local\dplaysvr.exe" C:\Users\Admin\AppData\Local\Temp\b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:744

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}
1⤵
PID:2820

Network

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DA19.tmp
Filesize
120KB

MD5
fa177b19810aab654f90901f0bf4aa5a

SHA1
a4b85aba037ba3e34a565b240a98edac4512f044

SHA256
ef2bb74b710a805c8330b3bac5930cfd8338cfceea61d0ae509c1bb06c41180d

SHA512
ed3a38e50cc3e32d47d3f3b804ccfe73f607ac6c1874e3dddd52006818a4a025109bdb2f7c5f2d95a1ecbe2de1aa0cdc893a83a79dfe3412428fb3d6d45480aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\DA1A.tmp
Filesize
49KB

MD5
35e5f9b769951356d41169c722b1d530

SHA1
71cd17fb9644cfa3472fdf28efb99d116987166b

SHA256
2e337c4cae86cd7f2add2e047676920ae1fe7a91b350735ae27e53725ed965e3

SHA512
91e94990c18166f4cfb7ae3f179e7b66506dd2850aed1701dc4019b806e36e190f1fc63b1750005720fec14f6c08178a007f6805a49e8bf40f0ccc343a2a76e6

Download Submit
C:\Users\Admin\AppData\Local\dplaysvr.exe
Filesize
120KB

MD5
fa177b19810aab654f90901f0bf4aa5a

SHA1
a4b85aba037ba3e34a565b240a98edac4512f044

SHA256
ef2bb74b710a805c8330b3bac5930cfd8338cfceea61d0ae509c1bb06c41180d

SHA512
ed3a38e50cc3e32d47d3f3b804ccfe73f607ac6c1874e3dddd52006818a4a025109bdb2f7c5f2d95a1ecbe2de1aa0cdc893a83a79dfe3412428fb3d6d45480aa

Download Submit
C:\Users\Admin\AppData\Local\dplaysvr.exe
Filesize
120KB

MD5
fa177b19810aab654f90901f0bf4aa5a

SHA1
a4b85aba037ba3e34a565b240a98edac4512f044

SHA256
ef2bb74b710a805c8330b3bac5930cfd8338cfceea61d0ae509c1bb06c41180d

SHA512
ed3a38e50cc3e32d47d3f3b804ccfe73f607ac6c1874e3dddd52006818a4a025109bdb2f7c5f2d95a1ecbe2de1aa0cdc893a83a79dfe3412428fb3d6d45480aa

Download Submit
C:\Users\Admin\AppData\Local\dplayx.dll
Filesize
49KB

MD5
35e5f9b769951356d41169c722b1d530

SHA1
71cd17fb9644cfa3472fdf28efb99d116987166b

SHA256
2e337c4cae86cd7f2add2e047676920ae1fe7a91b350735ae27e53725ed965e3

SHA512
91e94990c18166f4cfb7ae3f179e7b66506dd2850aed1701dc4019b806e36e190f1fc63b1750005720fec14f6c08178a007f6805a49e8bf40f0ccc343a2a76e6

Download Submit
C:\Users\Admin\AppData\Local\dplayx.dll
Filesize
49KB

MD5
35e5f9b769951356d41169c722b1d530

SHA1
71cd17fb9644cfa3472fdf28efb99d116987166b

SHA256
2e337c4cae86cd7f2add2e047676920ae1fe7a91b350735ae27e53725ed965e3

SHA512
91e94990c18166f4cfb7ae3f179e7b66506dd2850aed1701dc4019b806e36e190f1fc63b1750005720fec14f6c08178a007f6805a49e8bf40f0ccc343a2a76e6

Download Submit
memory/744-142-0x0000000002060000-0x0000000002080000-memory.dmp

Filesize
128KB

Download
memory/744-148-0x00000000020C0000-0x00000000020C9000-memory.dmp

Filesize
36KB

Download
memory/744-150-0x0000000002100000-0x0000000002109000-memory.dmp

Filesize
36KB

Download
memory/744-141-0x0000000002040000-0x0000000002051000-memory.dmp

Filesize
68KB

Download
memory/744-149-0x00000000020D0000-0x00000000020E1000-memory.dmp

Filesize
68KB

Download
memory/744-143-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/744-139-0x0000000000000000-mapping.dmp

Download
memory/744-145-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/744-147-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2972-133-0x00000000021D0000-0x0000000002202000-memory.dmp

Filesize
200KB

Download
memory/2972-144-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2972-134-0x0000000002240000-0x000000000228D000-memory.dmp

Filesize
308KB

Download
memory/2972-135-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2972-151-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads