2e3680529f95c94688e41a05bd5d666b1ed56a4aa0c89e2081a3ba5fd81097a8

Analysis

max time kernel
152s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 20:06

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General

Target

2e3680529f95c94688e41a05bd5d666b1ed56a4aa0c89e2081a3ba5fd81097a8.dll
Size

1.3MB
MD5

01e4cd99114c0c77d5d2d02c76ad5068
SHA1

6fd3a4b046ef5fb34282de4686628b5e31e13866
SHA256

2e3680529f95c94688e41a05bd5d666b1ed56a4aa0c89e2081a3ba5fd81097a8
SHA512

8762e26697a065cedba39a47d3893a21d6920f07d7f9c52c3926ffccac89bbd793bc96350ff24b7ad83f836b875a1019cc0c8c4906072f5fcc02ee459ee9b420
SSDEEP

12288:o9g8GZHpzAac5naAd25L5O+FQ7lW8lZ60ICPxaf6og38BfSH6gqrandxT+is3pj6:o68+O6pvbt/wuzTB2OFcdH

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2976	rundll32mgr.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2976-142-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2976-139-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/2976-143-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/2976-144-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/2976-146-0x0000000000400000-0x0000000000461000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
2976	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
984	1924	WerFault.exe	84
2248	2976	WerFault.exe	85

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2976	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 1924	3252	rundll32.exe	84
PID 3252 wrote to memory of 1924	3252	rundll32.exe	84
PID 3252 wrote to memory of 1924	3252	rundll32.exe	84
PID 1924 wrote to memory of 2976	1924	rundll32.exe	85
PID 1924 wrote to memory of 2976	1924	rundll32.exe	85
PID 1924 wrote to memory of 2976	1924	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e3680529f95c94688e41a05bd5d666b1ed56a4aa0c89e2081a3ba5fd81097a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3252
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e3680529f95c94688e41a05bd5d666b1ed56a4aa0c89e2081a3ba5fd81097a8.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of UnmapMainImage
    PID:2976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 260
      4⤵
      Program crash
      PID:2248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 612
    3⤵
    - Program crash
    PID:984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1924 -ip 1924
1⤵
PID:4512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2976 -ip 2976
1⤵
PID:5048

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMB606.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
133KB

MD5
cdb08259f376e72d84caaff2246e7b8d

SHA1
c812ffaebdac00ea61901b2a3d0b40bd9495d1da

SHA256
c572bcb3d9c247d7f45fefaaa5d62463bf5ef701a13cbbfc160dc81fc0301a05

SHA512
1e693e099ce8cad51863e44e522cb9b67ec785891b36eb623048a8ab6d37619a2a599c8237c5757f85aa696335c57c54b55afd2a92189cc46378998dad8af7f7

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

Filesize
133KB

MD5
cdb08259f376e72d84caaff2246e7b8d

SHA1
c812ffaebdac00ea61901b2a3d0b40bd9495d1da

SHA256
c572bcb3d9c247d7f45fefaaa5d62463bf5ef701a13cbbfc160dc81fc0301a05

SHA512
1e693e099ce8cad51863e44e522cb9b67ec785891b36eb623048a8ab6d37619a2a599c8237c5757f85aa696335c57c54b55afd2a92189cc46378998dad8af7f7

Download Submit
memory/1924-140-0x0000000010000000-0x000000001014C000-memory.dmp

Filesize
1.3MB

Download
memory/2976-142-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2976-139-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2976-143-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2976-144-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2976-146-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2976-147-0x0000000077990000-0x0000000077B33000-memory.dmp

Filesize
1.6MB

Download