1b4c923e24b664d37b86d03137329a26825cda84e8fdb85d8636457c4c02444a

Analysis

max time kernel
101s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 00:13 UTC

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General

Target

1b4c923e24b664d37b86d03137329a26825cda84e8fdb85d8636457c4c02444a.dll
Size

195KB
MD5

6c79e1fc7d42c40bbbf8ee159db079e0
SHA1

6b08b7c41eefae80e847f7eb68fba3a62f750dcd
SHA256

1b4c923e24b664d37b86d03137329a26825cda84e8fdb85d8636457c4c02444a
SHA512

91bdfc859545f4f4be744a6fce0c0dd8bab2757d61d01a04699c1dae2536632370e03c2aaaf926a246f6f13eb7194b23d9fc3febccfdb8d92c509b61b1c6b6f2
SSDEEP

6144:ZyE00tVMm0OFgaZSs1D2wY3Yspdg5LFsT1y:ZyErQm7S1wYoR5RsY

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2504	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2504-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
2504	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
1696	2504	WerFault.exe	84

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 4172	1120	rundll32.exe	83
PID 1120 wrote to memory of 4172	1120	rundll32.exe	83
PID 1120 wrote to memory of 4172	1120	rundll32.exe	83
PID 4172 wrote to memory of 2504	4172	rundll32.exe	84
PID 4172 wrote to memory of 2504	4172	rundll32.exe	84
PID 4172 wrote to memory of 2504	4172	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b4c923e24b664d37b86d03137329a26825cda84e8fdb85d8636457c4c02444a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b4c923e24b664d37b86d03137329a26825cda84e8fdb85d8636457c4c02444a.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4172
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 552
      4⤵
      Program crash
      PID:1696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2504 -ip 2504
1⤵
PID:1824

Network

No results found

8.252.118.126:80

260 B
5
8.252.118.126:80

260 B
5
13.69.239.74:443

322 B
7
8.252.118.126:80

260 B
5
93.184.220.29:80

322 B
7
93.184.220.29:80

260 B
5
8.252.118.126:80

322 B
7
8.252.118.126:80

322 B
7
8.252.118.126:80

322 B
7
93.184.221.240:80

322 B
7
104.80.225.205:443

322 B
7

No results found

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM2403.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
106KB

MD5
dcd2cafa72c9d5bd898b636a18133d3c

SHA1
b55e85453de9254cbf4c21c0de92d82c6deefccb

SHA256
936b14fbbf629fcf92ac06673d974de2b2a44a109953e6664e1c36a4e5c9d27c

SHA512
59e475f668015b3a6372d79ea6459b21ae591d73305b7696ef139fe0e716f1038595ea5df079e1850535e6358aef4d8e92bdee68ffd07b44471bc7133041952c

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

Filesize
106KB

MD5
dcd2cafa72c9d5bd898b636a18133d3c

SHA1
b55e85453de9254cbf4c21c0de92d82c6deefccb

SHA256
936b14fbbf629fcf92ac06673d974de2b2a44a109953e6664e1c36a4e5c9d27c

SHA512
59e475f668015b3a6372d79ea6459b21ae591d73305b7696ef139fe0e716f1038595ea5df079e1850535e6358aef4d8e92bdee68ffd07b44471bc7133041952c

Download Submit
memory/2504-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2504-139-0x00000000007C0000-0x00000000007EA000-memory.dmp

Filesize
168KB

Download
memory/2504-140-0x00000000771F0000-0x0000000077393000-memory.dmp

Filesize
1.6MB

Download
memory/2504-141-0x00000000771F0000-0x0000000077393000-memory.dmp

Filesize
1.6MB

Download
memory/4172-136-0x0000000074C90000-0x0000000074CC6000-memory.dmp

Filesize
216KB

Download