66fdbe881e0da551db7364097dbbe6db48e5d2bcbdc9a1a01078d9f0877b61d8

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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
2188	downloadmr.exe

Loads dropped DLL 4 IoCs

pid	Process
2244	186de12bec010431c8f907dcd9b15a16.exe
2244	186de12bec010431c8f907dcd9b15a16.exe
2244	186de12bec010431c8f907dcd9b15a16.exe
2244	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
2188	downloadmr.exe
2188	downloadmr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2188	2244	186de12bec010431c8f907dcd9b15a16.exe	28
PID 2244 wrote to memory of 2188	2244	186de12bec010431c8f907dcd9b15a16.exe	28
PID 2244 wrote to memory of 2188	2244	186de12bec010431c8f907dcd9b15a16.exe	28
PID 2244 wrote to memory of 2188	2244	186de12bec010431c8f907dcd9b15a16.exe	28

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:2244
- C:\Users\Admin\AppData\Local\Temp\nsdA01.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsdA01.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e53588
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2188

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

\Users\Admin\AppData\Local\Temp\nsdA01.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
\Users\Admin\AppData\Local\Temp\nsdA01.tmp\downloadmr.exe

Filesize
122KB

MD5
da254a8488b60244654e1cf4d6796cf8

SHA1
23d06f4589786652a3a226b5012a5520a3d03452

SHA256
6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

SHA512
d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

Download Submit
memory/2188-18-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/2188-19-0x0000000002190000-0x00000000021D0000-memory.dmp

Filesize
256KB

Download
memory/2188-20-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/2188-21-0x0000000002190000-0x00000000021D0000-memory.dmp

Filesize
256KB

Download
memory/2188-22-0x0000000002190000-0x00000000021D0000-memory.dmp

Filesize
256KB

Download
memory/2188-23-0x0000000005A40000-0x0000000005B40000-memory.dmp

Filesize
1024KB

Download
memory/2188-24-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-28-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download