66fdbe881e0da551db7364097dbbe6db48e5d2bcbdc9a1a01078d9f0877b61d8

Analysis

max time kernel
149s
max time network
136s
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 10:49

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General

Target

186de12bec010431c8f907dcd9b15a16.exe
Size

142KB
MD5

186de12bec010431c8f907dcd9b15a16
SHA1

80348d0d069ce66176e4de58e2fcf8efca5a6f62
SHA256

66fdbe881e0da551db7364097dbbe6db48e5d2bcbdc9a1a01078d9f0877b61d8
SHA512

89e0fc832f52ad8e0aa8e6fff65312c0998e3a448ae4391ee4b6d0ffb39d92cccb5a700fabf337a38dbf254424947d465c76632f9e1da1b7f892c5e8f59ba639
SSDEEP

3072:anOn7t7XpdpCCTg/sxFgJKeqgKJ+BC1Ca2JibCmW1UQLSQ:aKpdcCrTdgKUanzKUQGQ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1368	downloadmr.exe

Loads dropped DLL 2 IoCs

pid	Process
2544	186de12bec010431c8f907dcd9b15a16.exe
2544	186de12bec010431c8f907dcd9b15a16.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
1368	downloadmr.exe
1368	downloadmr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 1368	2544	186de12bec010431c8f907dcd9b15a16.exe	21
PID 2544 wrote to memory of 1368	2544	186de12bec010431c8f907dcd9b15a16.exe	21
PID 2544 wrote to memory of 1368	2544	186de12bec010431c8f907dcd9b15a16.exe	21

C:\Users\Admin\AppData\Local\Temp\186de12bec010431c8f907dcd9b15a16.exe
"C:\Users\Admin\AppData\Local\Temp\186de12bec010431c8f907dcd9b15a16.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\nsu4690.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsu4690.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e53588
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1368

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\nsu4690.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
memory/1368-13-0x0000000073DF0000-0x00000000743A1000-memory.dmp

Filesize
5.7MB

Download
memory/1368-15-0x0000000001330000-0x0000000001340000-memory.dmp

Filesize
64KB

Download
memory/1368-14-0x0000000073DF0000-0x00000000743A1000-memory.dmp

Filesize
5.7MB

Download
memory/1368-17-0x0000000001330000-0x0000000001340000-memory.dmp

Filesize
64KB

Download
memory/1368-16-0x0000000001330000-0x0000000001340000-memory.dmp

Filesize
64KB

Download
memory/1368-18-0x0000000001330000-0x0000000001340000-memory.dmp

Filesize
64KB

Download
memory/1368-20-0x0000000073DF0000-0x00000000743A1000-memory.dmp

Filesize
5.7MB

Download
memory/2544-24-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download