07b977b35942e20829f632fd790032c75f8293900813e6f83a20f2bb0280b244

Analysis

max time kernel
138s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2024 17:47

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General

Target

file.exe
Size

32KB
MD5

3815abc79e3c096b28895f08b7989124
SHA1

8f1dd8631aa80272d0cf7e8e37d5664b6da3ce2e
SHA256

0f3b85163045b2388f961c9be8f1eeb4025b5163a1424a0faf21d3ade908c179
SHA512

0ef50db2d90766f939f8df6233152a3d8af78f1952faf062151c551d1f5926a310e2b7043e2f97ae4a365491651e9b0b5d26bc0d64468a87ec6b7dabb034a85a
SSDEEP

768:gJRbew8Le1ZDUNAVh2foRV77CtH65kNx8UFSNK:yZr1RUmXDVvKH66HF8K

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1016	file.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\nnnliJcA.dll	file.exe
File created	C:\Windows\SysWOW64\nnnliJcA.dll	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1016	file.exe
1016	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1016	file.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1016	file.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 632	1016	file.exe	3
PID 1016 wrote to memory of 3204	1016	file.exe	98
PID 1016 wrote to memory of 3204	1016	file.exe	98
PID 1016 wrote to memory of 3204	1016	file.exe	98
PID 1016 wrote to memory of 3920	1016	file.exe	99
PID 1016 wrote to memory of 3920	1016	file.exe	99
PID 1016 wrote to memory of 3920	1016	file.exe	99

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:632

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe ,a
  2⤵
  PID:3204
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\removalfile.bat "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  PID:3920

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\removalfile.bat

Filesize
43B

MD5
9a7ef09167a6f4433681b94351509043

SHA1
259b1375ed8e84943ca1d42646bb416325c89e12

SHA256
d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

SHA512
96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

Download Submit
C:\Windows\SysWOW64\nnnliJcA.dll

Filesize
24KB

MD5
5e40f0d4aa50b3050f415a82abd65426

SHA1
1a291da2f777e00e3d22691e496418d2b43e3399

SHA256
a0fadfc96845015b3a5c846cc9efe28b516f91cd1bcda0951a425cb948baac30

SHA512
389d95c258ebf51da0911e66697a1527a031e9aa7cbc000288022d073ccb2548661185293925727f2184ae8cf14e4ac50bb52bdc6c1e2735802d6970223aeb83

Download Submit
memory/1016-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1016-1-0x0000000000440000-0x0000000000447000-memory.dmp

Filesize
28KB

Download
memory/1016-7-0x0000000000440000-0x0000000000445000-memory.dmp

Filesize
20KB

Download
memory/1016-8-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1016-9-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1016-10-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1016-12-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1016-15-0x0000000000440000-0x0000000000447000-memory.dmp

Filesize
28KB

Download
memory/1016-16-0x0000000000440000-0x0000000000445000-memory.dmp

Filesize
20KB

Download