5e1ab24b01a648670cfb6befaad8f3a24a798e94ed60505e139faf7956d2c4e7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 18:33

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General

Target

0c241937e7dc216ba21629fd1a76c3b3.exe
Size

142KB
MD5

0c241937e7dc216ba21629fd1a76c3b3
SHA1

bc5c9c97cac65a485756956b17b5c4a20dca4894
SHA256

5e1ab24b01a648670cfb6befaad8f3a24a798e94ed60505e139faf7956d2c4e7
SHA512

d137f4688b66312119670f308f029e01f828c66cd8efd10605612b6e46df97c88307d9cd9a33554468e6ee29400df598da176393d53b1c5e5772ef829b41fbe0
SSDEEP

3072:KnOn7t7XpdpCCTg/sxFgJKeqgKJ+BCxCuq+aVxjx8o+5c1:KKpdcCrTdgKwuql1D8E

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2540	downloadmr.exe

Loads dropped DLL 4 IoCs

pid	Process
2156	0c241937e7dc216ba21629fd1a76c3b3.exe
2156	0c241937e7dc216ba21629fd1a76c3b3.exe
2156	0c241937e7dc216ba21629fd1a76c3b3.exe
2156	0c241937e7dc216ba21629fd1a76c3b3.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
2540	downloadmr.exe
2540	downloadmr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2540	2156	0c241937e7dc216ba21629fd1a76c3b3.exe	27
PID 2156 wrote to memory of 2540	2156	0c241937e7dc216ba21629fd1a76c3b3.exe	27
PID 2156 wrote to memory of 2540	2156	0c241937e7dc216ba21629fd1a76c3b3.exe	27
PID 2156 wrote to memory of 2540	2156	0c241937e7dc216ba21629fd1a76c3b3.exe	27

C:\Users\Admin\AppData\Local\Temp\0c241937e7dc216ba21629fd1a76c3b3.exe
"C:\Users\Admin\AppData\Local\Temp\0c241937e7dc216ba21629fd1a76c3b3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\nst199B.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nst199B.tmp\downloadmr.exe /u4d48827d-aee0-4055-ba08-79595bc06ebe /e4295
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2540

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\nst199B.tmp\downloadmr.exe

Filesize
122KB

MD5
da254a8488b60244654e1cf4d6796cf8

SHA1
23d06f4589786652a3a226b5012a5520a3d03452

SHA256
6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

SHA512
d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

Download Submit
\Users\Admin\AppData\Local\Temp\nst199B.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
memory/2156-33-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2156-26-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2156-27-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

Filesize
52KB

Download
memory/2540-21-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download
memory/2540-22-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download
memory/2540-23-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download
memory/2540-25-0x0000000005A10000-0x0000000005B10000-memory.dmp

Filesize
1024KB

Download
memory/2540-24-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download
memory/2540-19-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-20-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download
memory/2540-28-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-29-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-18-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download