6d30e4f77d71b127d3b096aa36e6b8cb4905bffca3085cb38ce2c3fc3677f459

Analysis

max time kernel
27s
max time network
2s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2022, 17:49

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General

Target

6d30e4f77d71b127d3b096aa36e6b8cb4905bffca3085cb38ce2c3fc3677f459.dll
Size

333KB
MD5

669544398d45018bf3cc5a09719ce1e6
SHA1

3b648a1bf8a6262d1f6e12ffa939dbe2f5819aef
SHA256

6d30e4f77d71b127d3b096aa36e6b8cb4905bffca3085cb38ce2c3fc3677f459
SHA512

3bad648d52c3d5317f9743527900ba0ddab9af31284212bdc118a30c3a400fe421592d43b8b705c9ef8972805f18f9257dc3e181150874bd3d3ec2b9681ca663
SSDEEP

6144:HdsOrBoBdoQJmuZdQ5LaQwyyv9IjmVpMVI9g5+oR02MOU:/idoQModKOQwFGjmsVWC+xTOU

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3732	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3732-137-0x0000000000400000-0x000000000042C1D8-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
3732	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4856	3732	WerFault.exe	78

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 1928	2876	rundll32.exe	77
PID 2876 wrote to memory of 1928	2876	rundll32.exe	77
PID 2876 wrote to memory of 1928	2876	rundll32.exe	77
PID 1928 wrote to memory of 3732	1928	rundll32.exe	78
PID 1928 wrote to memory of 3732	1928	rundll32.exe	78
PID 1928 wrote to memory of 3732	1928	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d30e4f77d71b127d3b096aa36e6b8cb4905bffca3085cb38ce2c3fc3677f459.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d30e4f77d71b127d3b096aa36e6b8cb4905bffca3085cb38ce2c3fc3677f459.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 10168
      4⤵
      Program crash
      PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3732 -ip 3732
1⤵
PID:3600

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM1424.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
97KB

MD5
ef5dc2521333fb418bd5518f1db3fd08

SHA1
3d5e8d6dbf09a599f674fe9d6c1d736b0c31cb70

SHA256
75bfc7c1f54f2579541c35f721a6bbd9083c7208bd989624ceb25f16bd03afbe

SHA512
8768e95f5539dc61350f552d575c683e20e000f41283701c9c5f393da40975a02a7d432374c72565f3e1848266ee94e20d905f62b849f91f3c956b7980d87882

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
97KB

MD5
ef5dc2521333fb418bd5518f1db3fd08

SHA1
3d5e8d6dbf09a599f674fe9d6c1d736b0c31cb70

SHA256
75bfc7c1f54f2579541c35f721a6bbd9083c7208bd989624ceb25f16bd03afbe

SHA512
8768e95f5539dc61350f552d575c683e20e000f41283701c9c5f393da40975a02a7d432374c72565f3e1848266ee94e20d905f62b849f91f3c956b7980d87882

Download Submit
memory/1928-136-0x0000000010000000-0x0000000010058000-memory.dmp

Filesize
352KB

Download
memory/3732-137-0x0000000000400000-0x000000000042C1D8-memory.dmp

Filesize
176KB

Download
memory/3732-138-0x0000000002160000-0x000000000218D000-memory.dmp

Filesize
180KB

Download
memory/3732-140-0x00000000771B0000-0x0000000077353000-memory.dmp

Filesize
1.6MB

Download
memory/3732-141-0x00000000771B0000-0x0000000077353000-memory.dmp

Filesize
1.6MB

Download
memory/3732-142-0x00000000771B0000-0x0000000077353000-memory.dmp

Filesize
1.6MB

Download
memory/3732-143-0x00000000771B0000-0x0000000077353000-memory.dmp

Filesize
1.6MB

Download