eb7d8111aaffce0c9baa510490ff711e2c451895869116a7d00eeb44b4c0cdeb

Analysis

max time kernel
112s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2022 11:59

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General

Target

eb7d8111aaffce0c9baa510490ff711e2c451895869116a7d00eeb44b4c0cdeb.dll
Size

217KB
MD5

1993603b6181b721d20fc3fa06f2aff0
SHA1

5fdec012c95fef960d2935245fb8829b530c0b45
SHA256

eb7d8111aaffce0c9baa510490ff711e2c451895869116a7d00eeb44b4c0cdeb
SHA512

d30c904567545012dc90f8277e03b073f1db990a0fcdd7923379af047ec6c4c9a954b4b8acb96aa05ebb6e902dd612d8cb51713a3ea7f9a3ab3ef1abbf63f0e2
SSDEEP

6144:QPa3p/H4ctxiYSiC20e/nrFtVRx2RG1XD:QIp1dC20CxtVRxasXD

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
532	regsvr32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/532-137-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
532	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5076	532	WerFault.exe	84

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 3340	1656	regsvr32.exe	82
PID 1656 wrote to memory of 3340	1656	regsvr32.exe	82
PID 1656 wrote to memory of 3340	1656	regsvr32.exe	82
PID 3340 wrote to memory of 532	3340	regsvr32.exe	84
PID 3340 wrote to memory of 532	3340	regsvr32.exe	84
PID 3340 wrote to memory of 532	3340	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\eb7d8111aaffce0c9baa510490ff711e2c451895869116a7d00eeb44b4c0cdeb.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\eb7d8111aaffce0c9baa510490ff711e2c451895869116a7d00eeb44b4c0cdeb.dll
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3340
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 476
      4⤵
      Program crash
      PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 532 -ip 532
1⤵
PID:3076

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMBF7C.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
7657fcb7d772448a6d8504e4b20168b8

SHA1
84c7201f7e59cb416280fd69a2e7f2e349ec8242

SHA256
54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

SHA512
786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
7657fcb7d772448a6d8504e4b20168b8

SHA1
84c7201f7e59cb416280fd69a2e7f2e349ec8242

SHA256
54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

SHA512
786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

Download Submit
memory/532-133-0x0000000000000000-mapping.dmp

Download
memory/532-137-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/532-138-0x0000000002180000-0x00000000021AA000-memory.dmp

Filesize
168KB

Download
memory/532-139-0x0000000077D30000-0x0000000077ED3000-memory.dmp

Filesize
1.6MB

Download
memory/3340-132-0x0000000000000000-mapping.dmp

Download