73dbee33203bc6e3d8ccd5ec69d363b756238739faa0965ecc76faa5817b87ff

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 17:24

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General

Target

0859f435bd474351a3bcdcbdc5843d76.exe
Size

142KB
MD5

0859f435bd474351a3bcdcbdc5843d76
SHA1

4e8a67f67b4d89164915266b7e43604f13864a75
SHA256

73dbee33203bc6e3d8ccd5ec69d363b756238739faa0965ecc76faa5817b87ff
SHA512

218df8dc5dd306876d183d34626a7cd9587874f8ca6792e388b4d2878f7a6458d3c5e6b6cce7c99e0ed521865a0a9130197fec86e6c955e72da3ea520c3aa278
SSDEEP

3072:inOn7t7XpdpCCTg/sxFgJKeqgKJ+BCxCD3xxLMlA3FZNlbwhDYi93:iKpdcCrTdgKwTxxL4A3P8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2128	downloadmr.exe

Loads dropped DLL 2 IoCs

pid	Process
2404	0859f435bd474351a3bcdcbdc5843d76.exe
2404	0859f435bd474351a3bcdcbdc5843d76.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	downloadmr.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2128	downloadmr.exe
2128	downloadmr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2128	2404	0859f435bd474351a3bcdcbdc5843d76.exe	89
PID 2404 wrote to memory of 2128	2404	0859f435bd474351a3bcdcbdc5843d76.exe	89
PID 2404 wrote to memory of 2128	2404	0859f435bd474351a3bcdcbdc5843d76.exe	89

C:\Users\Admin\AppData\Local\Temp\0859f435bd474351a3bcdcbdc5843d76.exe
"C:\Users\Admin\AppData\Local\Temp\0859f435bd474351a3bcdcbdc5843d76.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Local\Temp\nsf4633.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsf4633.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e2405794
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2128

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\nsf4633.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf4633.tmp\downloadmr.exe

Filesize
122KB

MD5
da254a8488b60244654e1cf4d6796cf8

SHA1
23d06f4589786652a3a226b5012a5520a3d03452

SHA256
6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

SHA512
d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

Download Submit
memory/2128-13-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-14-0x0000000001800000-0x0000000001810000-memory.dmp

Filesize
64KB

Download
memory/2128-15-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/2128-17-0x0000000001800000-0x0000000001810000-memory.dmp

Filesize
64KB

Download
memory/2128-16-0x0000000001800000-0x0000000001810000-memory.dmp

Filesize
64KB

Download
memory/2128-18-0x0000000001800000-0x0000000001810000-memory.dmp

Filesize
64KB

Download
memory/2128-20-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/2404-24-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download