3ccb5ce14d16a3b02527883512560a553829b031fce2406c4607002d83b80c59

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 10:22

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General

Target

16dfe7af5ce9776e09ae81a46a2a3e0d.exe
Size

142KB
MD5

16dfe7af5ce9776e09ae81a46a2a3e0d
SHA1

30664146af5e4644b6700305b9e735e1d407b503
SHA256

3ccb5ce14d16a3b02527883512560a553829b031fce2406c4607002d83b80c59
SHA512

1c465b971349ac21ac8276230dde08d1648977b022ec9e6e35ddfd241f9467da313c28466b793a84c21ab402f47b1510643fd18d9beb4c5723470c1451885481
SSDEEP

3072:KnOn7t7XpdpCCTg/sxFgJKeqgKJ+BCxCPiDee/8KfXZvtkS88LoFz:KKpdcCrTdgKwKDL/8KvlC3P

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4492	downloadmr.exe

Loads dropped DLL 2 IoCs

pid	Process
4376	16dfe7af5ce9776e09ae81a46a2a3e0d.exe
4376	16dfe7af5ce9776e09ae81a46a2a3e0d.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
4492	downloadmr.exe
4492	downloadmr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 4492	4376	16dfe7af5ce9776e09ae81a46a2a3e0d.exe	88
PID 4376 wrote to memory of 4492	4376	16dfe7af5ce9776e09ae81a46a2a3e0d.exe	88
PID 4376 wrote to memory of 4492	4376	16dfe7af5ce9776e09ae81a46a2a3e0d.exe	88

C:\Users\Admin\AppData\Local\Temp\16dfe7af5ce9776e09ae81a46a2a3e0d.exe
"C:\Users\Admin\AppData\Local\Temp\16dfe7af5ce9776e09ae81a46a2a3e0d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\nsi41BE.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsi41BE.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e2501588
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4492

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\nsi41BE.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi41BE.tmp\downloadmr.exe

Filesize
122KB

MD5
da254a8488b60244654e1cf4d6796cf8

SHA1
23d06f4589786652a3a226b5012a5520a3d03452

SHA256
6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

SHA512
d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

Download Submit
memory/4376-23-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/4492-13-0x0000000073FB0000-0x0000000074561000-memory.dmp

Filesize
5.7MB

Download
memory/4492-14-0x0000000073FB0000-0x0000000074561000-memory.dmp

Filesize
5.7MB

Download
memory/4492-15-0x0000000000F60000-0x0000000000F70000-memory.dmp

Filesize
64KB

Download
memory/4492-16-0x0000000000F60000-0x0000000000F70000-memory.dmp

Filesize
64KB

Download
memory/4492-17-0x0000000000F60000-0x0000000000F70000-memory.dmp

Filesize
64KB

Download
memory/4492-19-0x0000000073FB0000-0x0000000074561000-memory.dmp

Filesize
5.7MB

Download