e4a3e5ce9e0675235f733c9cf687cdc0d1f76de6f92c9b6844a845c76750ca61

Analysis

max time kernel
24s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 12:06

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General

Target

e4a3e5ce9e0675235f733c9cf687cdc0d1f76de6f92c9b6844a845c76750ca61.dll
Size

2.4MB
MD5

f5767296fa1364afd6536822d07ffaa2
SHA1

089a525adae971caec5ffb4159fb07484ad0f168
SHA256

e4a3e5ce9e0675235f733c9cf687cdc0d1f76de6f92c9b6844a845c76750ca61
SHA512

0350ad4547b107997f098bd6b05497c6143aafa3c69506d2ece7014050174e30dd52d65912fe4fd7337f5b6a3de7d66dd02df1a9f540f425bd6bc095b8d73f3f
SSDEEP

49152:v3pp9ziy5bRCrEaoWzw7ai91wgvTBBsCkh9Sp3BVcmUG8lFN6ijGUKYsVMLz6onr:v3pv+y5dIVs7aWPvTBBKh9UBVc/ln16u

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2036	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
1224	rundll32.exe
1224	rundll32.exe
760	WerFault.exe
760	WerFault.exe
760	WerFault.exe
760	WerFault.exe
760	WerFault.exe
760	WerFault.exe
760	WerFault.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
1704	1224	WerFault.exe	28
760	2036	WerFault.exe	29

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1120 wrote to memory of 1224	1120	rundll32.exe	28
PID 1224 wrote to memory of 2036	1224	rundll32.exe	29
PID 1224 wrote to memory of 2036	1224	rundll32.exe	29
PID 1224 wrote to memory of 2036	1224	rundll32.exe	29
PID 1224 wrote to memory of 2036	1224	rundll32.exe	29
PID 1224 wrote to memory of 1704	1224	rundll32.exe	30
PID 1224 wrote to memory of 1704	1224	rundll32.exe	30
PID 1224 wrote to memory of 1704	1224	rundll32.exe	30
PID 1224 wrote to memory of 1704	1224	rundll32.exe	30
PID 2036 wrote to memory of 760	2036	rundll32mgr.exe	31
PID 2036 wrote to memory of 760	2036	rundll32mgr.exe	31
PID 2036 wrote to memory of 760	2036	rundll32mgr.exe	31
PID 2036 wrote to memory of 760	2036	rundll32mgr.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4a3e5ce9e0675235f733c9cf687cdc0d1f76de6f92c9b6844a845c76750ca61.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4a3e5ce9e0675235f733c9cf687cdc0d1f76de6f92c9b6844a845c76750ca61.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 232
    3⤵
    - Program crash
    PID:1704

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/1224-55-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

Download
memory/1224-68-0x00000000741D0000-0x000000007443F000-memory.dmp

Filesize
2.4MB

Download
memory/1224-69-0x0000000074440000-0x00000000746AF000-memory.dmp

Filesize
2.4MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads