6dc74ab228ff34ec14757c6c5cda78651485466ec571b101bff7be0be7623b8b

Analysis

max time kernel
121s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 14:47

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General

Target

76b9a0afec7b9bcdd26689c7ff2d2bd9.exe
Size

142KB
MD5

76b9a0afec7b9bcdd26689c7ff2d2bd9
SHA1

f477d3dc69dfb8c27297866bb2bfba7d87a642a3
SHA256

6dc74ab228ff34ec14757c6c5cda78651485466ec571b101bff7be0be7623b8b
SHA512

02af670e4e51c290d9a489b6c5525e8e492b300141b455a60df97148f44eac5350576fc7904c519796cf1643cfdd6d413797f1ca3bc028c1228dd351e1cbf9c4
SSDEEP

3072:anOn7t7XpdpCCTg/sxFgJaeqgKJ+BCZCiyBNhSGmpV8pG6JtDUf/:aKpdcCrTdgKoxBNhHmfB6a/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2708	downloadmr.exe

Loads dropped DLL 4 IoCs

pid	Process
1796	76b9a0afec7b9bcdd26689c7ff2d2bd9.exe
1796	76b9a0afec7b9bcdd26689c7ff2d2bd9.exe
1796	76b9a0afec7b9bcdd26689c7ff2d2bd9.exe
1796	76b9a0afec7b9bcdd26689c7ff2d2bd9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2708	downloadmr.exe
2708	downloadmr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2708	1796	76b9a0afec7b9bcdd26689c7ff2d2bd9.exe	28
PID 1796 wrote to memory of 2708	1796	76b9a0afec7b9bcdd26689c7ff2d2bd9.exe	28
PID 1796 wrote to memory of 2708	1796	76b9a0afec7b9bcdd26689c7ff2d2bd9.exe	28
PID 1796 wrote to memory of 2708	1796	76b9a0afec7b9bcdd26689c7ff2d2bd9.exe	28

C:\Users\Admin\AppData\Local\Temp\76b9a0afec7b9bcdd26689c7ff2d2bd9.exe
"C:\Users\Admin\AppData\Local\Temp\76b9a0afec7b9bcdd26689c7ff2d2bd9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Local\Temp\nstD1A3.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nstD1A3.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e2507920
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nstD1A3.tmp\downloadmr.exe

Filesize
122KB

MD5
da254a8488b60244654e1cf4d6796cf8

SHA1
23d06f4589786652a3a226b5012a5520a3d03452

SHA256
6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

SHA512
d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

Download Submit
\Users\Admin\AppData\Local\Temp\nstD1A3.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
memory/1796-32-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1796-24-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

Filesize
52KB

Download
memory/1796-23-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2708-21-0x0000000000410000-0x0000000000450000-memory.dmp

Filesize
256KB

Download
memory/2708-22-0x0000000000410000-0x0000000000450000-memory.dmp

Filesize
256KB

Download
memory/2708-20-0x0000000000410000-0x0000000000450000-memory.dmp

Filesize
256KB

Download
memory/2708-19-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-25-0x0000000000410000-0x0000000000450000-memory.dmp

Filesize
256KB

Download
memory/2708-26-0x00000000059B0000-0x0000000005AB0000-memory.dmp

Filesize
1024KB

Download
memory/2708-27-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-28-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-18-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download