3a07c871cd53f42ebb9bc5136f12ebac6d68b90b6392dfec2b134f4aedb61672

General

Target

7500abde570e37dfe1a450f98e6774f2.exe
Size

94KB
MD5

7500abde570e37dfe1a450f98e6774f2
SHA1

31c3044778d2e18379af8cc03f4e3500154894c0
SHA256

3a07c871cd53f42ebb9bc5136f12ebac6d68b90b6392dfec2b134f4aedb61672
SHA512

a73730e1995413b6cd9614c8df0dbf680800497c88deb531e05a193fb564cd2f6a00ac46a60ecf318fb13c2b987644819159161755e37f9be1660739913dc8a1
SSDEEP

768:Q6quHUzxzOOTdqqYJTScKx8UJklOquH+npqigVjfqXPXkfyUhV:Q6BJTRK1k8IpWjw0fZ/

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7500abde570e37dfe1a450f98e6774f2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\dpvvoxmh.dll = "{2876D76C-CAAA-4313-AF97-8D1D9A2A1087}"	7500abde570e37dfe1a450f98e6774f2.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2672 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

7500abde570e37dfe1a450f98e6774f2.exe

pid process

1852 7500abde570e37dfe1a450f98e6774f2.exe

pid	process
2672	cmd.exe

pid	process
1852	7500abde570e37dfe1a450f98e6774f2.exe

Drops file in System32 directory 3 IoCs

Processes:

7500abde570e37dfe1a450f98e6774f2.exe

description	ioc	process
File created	C:\Windows\SysWOW64\dpvvoxmh.tmp	7500abde570e37dfe1a450f98e6774f2.exe
File opened for modification	C:\Windows\SysWOW64\dpvvoxmh.tmp	7500abde570e37dfe1a450f98e6774f2.exe
File opened for modification	C:\Windows\SysWOW64\dpvvoxmh.nls	7500abde570e37dfe1a450f98e6774f2.exe

Modifies registry class 4 IoCs

Processes:

7500abde570e37dfe1a450f98e6774f2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2876D76C-CAAA-4313-AF97-8D1D9A2A1087}\InProcServer32\ = "C:\\Windows\\SysWow64\\dpvvoxmh.dll"	7500abde570e37dfe1a450f98e6774f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2876D76C-CAAA-4313-AF97-8D1D9A2A1087}\InProcServer32\ThreadingModel = "Apartment"	7500abde570e37dfe1a450f98e6774f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2876D76C-CAAA-4313-AF97-8D1D9A2A1087}	7500abde570e37dfe1a450f98e6774f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2876D76C-CAAA-4313-AF97-8D1D9A2A1087}\InProcServer32	7500abde570e37dfe1a450f98e6774f2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

7500abde570e37dfe1a450f98e6774f2.exe

pid process

1852 7500abde570e37dfe1a450f98e6774f2.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

7500abde570e37dfe1a450f98e6774f2.exe

pid process

1852 7500abde570e37dfe1a450f98e6774f2.exe
1852 7500abde570e37dfe1a450f98e6774f2.exe
1852 7500abde570e37dfe1a450f98e6774f2.exe

pid	process
1852	7500abde570e37dfe1a450f98e6774f2.exe

pid	process
1852	7500abde570e37dfe1a450f98e6774f2.exe
1852	7500abde570e37dfe1a450f98e6774f2.exe
1852	7500abde570e37dfe1a450f98e6774f2.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

7500abde570e37dfe1a450f98e6774f2.exe

description	pid	process	target process
PID 1852 wrote to memory of 2672	1852	7500abde570e37dfe1a450f98e6774f2.exe	cmd.exe
PID 1852 wrote to memory of 2672	1852	7500abde570e37dfe1a450f98e6774f2.exe	cmd.exe
PID 1852 wrote to memory of 2672	1852	7500abde570e37dfe1a450f98e6774f2.exe	cmd.exe
PID 1852 wrote to memory of 2672	1852	7500abde570e37dfe1a450f98e6774f2.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\7500abde570e37dfe1a450f98e6774f2.exe
"C:\Users\Admin\AppData\Local\Temp\7500abde570e37dfe1a450f98e6774f2.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\8EC8.tmp.bat
2⤵
- Deletes itself
PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\8EC8.tmp.bat

Filesize
179B

MD5
69c78b41602f6243654d2ffafaedb954

SHA1
d4e8de5ba354080ab8bc4b796e8f9ee8b73eaf38

SHA256
ea13cfe15e335efdad087dc5852a7072d4fd66fcfe290bab935cfd4cd28ef7ab

SHA512
7428fb419117080a975792782e6f1a6abdc57cd2dcca7c01e52fa68c4c20738d1c7442a26f83780aea1abb645903d3168e985f1f3fa0c07707ef49a092d9ce12

Download Submit
C:\Windows\SysWOW64\dpvvoxmh.tmp

Filesize
731KB

MD5
018a5c8effa5800bbf934a536aa630cc

SHA1
93bef36f4ed280ec28bd89f6079caa699e88bc88

SHA256
55b2e85ec87fabb2b6707efb50f64a22cbb89ec552cd76153fe9f21b09e3e6e2

SHA512
10cca28077b31e6bbb9f82a2ef9687389ad50bdfd159ed69e93db7fdeea416755141e4d94eaf53fd9e14d4545cf22bf5b958b0da2cdd423651c562b21319bfea

Download Submit
\Windows\SysWOW64\dpvvoxmh.dll

Filesize
629KB

MD5
6ed1a56739e6d1b1cc30180683798bdc

SHA1
8fbb1e9534f99b6fea63fea8fb23e85c5529761a

SHA256
0c8a43240bf665fb6588808d1748f7f4d9fd17a73f6e3aace27dbedd882671f7

SHA512
af3b409882a7c340211b6d658e713e330aa521dc09ff549fdf583ac190f41a74a926c40ba3158b1bd64664a9e497d1f93fb4006d2275a8a9b85ff6c34acb0ecf

Download Submit
memory/1852-8-0x0000000020000000-0x0000000020009000-memory.dmp

Filesize
36KB

Download
memory/1852-17-0x0000000020000000-0x0000000020009000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads