538cadb133cb8584371925aa96039c118f1ad9aa09cbe70fc779388c84070bb1

Analysis

max time kernel
119s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 22:20

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General

Target

0577b2c1b125a8470db6154f7fb90c91.exe
Size

142KB
MD5

0577b2c1b125a8470db6154f7fb90c91
SHA1

51d18664904386af3bc379243791898bd5174aca
SHA256

538cadb133cb8584371925aa96039c118f1ad9aa09cbe70fc779388c84070bb1
SHA512

ad60216f28c236a75b5d7a4bffd361d3f26a9c681c74d7574eb1331440435ff486429a05485e664dd1f7d7b9497fba535a908d76323a37487c433c74f29b53a7
SSDEEP

3072:ZnOn7t7XpdpCCTg/sxFgJKeqgKJ+BCqCWu5L76mvCZtNiXuag:ZKpdcCrTdgK3Wu51CZvGFg

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2964	downloadmr.exe

Loads dropped DLL 4 IoCs

pid	Process
2576	0577b2c1b125a8470db6154f7fb90c91.exe
2576	0577b2c1b125a8470db6154f7fb90c91.exe
2576	0577b2c1b125a8470db6154f7fb90c91.exe
2576	0577b2c1b125a8470db6154f7fb90c91.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
2964	downloadmr.exe
2964	downloadmr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 2964	2576	0577b2c1b125a8470db6154f7fb90c91.exe	29
PID 2576 wrote to memory of 2964	2576	0577b2c1b125a8470db6154f7fb90c91.exe	29
PID 2576 wrote to memory of 2964	2576	0577b2c1b125a8470db6154f7fb90c91.exe	29
PID 2576 wrote to memory of 2964	2576	0577b2c1b125a8470db6154f7fb90c91.exe	29

C:\Users\Admin\AppData\Local\Temp\0577b2c1b125a8470db6154f7fb90c91.exe
"C:\Users\Admin\AppData\Local\Temp\0577b2c1b125a8470db6154f7fb90c91.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Users\Admin\AppData\Local\Temp\nszEEF3.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nszEEF3.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e2406631
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2964

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\nszEEF3.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
\Users\Admin\AppData\Local\Temp\nszEEF3.tmp\downloadmr.exe

Filesize
122KB

MD5
da254a8488b60244654e1cf4d6796cf8

SHA1
23d06f4589786652a3a226b5012a5520a3d03452

SHA256
6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

SHA512
d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

Download Submit
memory/2576-0-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2576-19-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2576-20-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

Filesize
52KB

Download
memory/2576-37-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2964-25-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2964-26-0x0000000000190000-0x00000000001D0000-memory.dmp

Filesize
256KB

Download
memory/2964-29-0x0000000000190000-0x00000000001D0000-memory.dmp

Filesize
256KB

Download
memory/2964-30-0x0000000000190000-0x00000000001D0000-memory.dmp

Filesize
256KB

Download
memory/2964-31-0x0000000000190000-0x00000000001D0000-memory.dmp

Filesize
256KB

Download
memory/2964-32-0x00000000058D0000-0x00000000059D0000-memory.dmp

Filesize
1024KB

Download
memory/2964-33-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2964-24-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download