6779e470f864e43d56f1c32f4ec69d23bbba07789f667903c0d843acccc1d92b

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 04:06

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General

Target

52d3db430bf0acf7b98e3cf60a419449.exe
Size

142KB
MD5

52d3db430bf0acf7b98e3cf60a419449
SHA1

ffbe4448e1e9d0507bdc4c662a7aaa45fb41f0bf
SHA256

6779e470f864e43d56f1c32f4ec69d23bbba07789f667903c0d843acccc1d92b
SHA512

acd96029f61a8c310115d9decb93c616690fe7ce0c43e58e6b8b1437b6596af4e6ebf0c84fafb3e8292825276b0a4b87ec42aededdf655a1093b0e5df62d056b
SSDEEP

3072:inOn7t7XpdpCCTg/sxFgJ6eqgKJ+BCJC8+Z/TAFZqlzvgYu:iKpdcCrTdgKY8k/TUgl0d

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2736	downloadmr.exe

Loads dropped DLL 4 IoCs

pid	Process
1200	52d3db430bf0acf7b98e3cf60a419449.exe
1200	52d3db430bf0acf7b98e3cf60a419449.exe
1200	52d3db430bf0acf7b98e3cf60a419449.exe
1200	52d3db430bf0acf7b98e3cf60a419449.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
2736	downloadmr.exe
2736	downloadmr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 2736	1200	52d3db430bf0acf7b98e3cf60a419449.exe	28
PID 1200 wrote to memory of 2736	1200	52d3db430bf0acf7b98e3cf60a419449.exe	28
PID 1200 wrote to memory of 2736	1200	52d3db430bf0acf7b98e3cf60a419449.exe	28
PID 1200 wrote to memory of 2736	1200	52d3db430bf0acf7b98e3cf60a419449.exe	28

C:\Users\Admin\AppData\Local\Temp\52d3db430bf0acf7b98e3cf60a419449.exe
"C:\Users\Admin\AppData\Local\Temp\52d3db430bf0acf7b98e3cf60a419449.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\nsi5562.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsi5562.tmp\downloadmr.exe /u4f96c0af-ae48-469a-a08c-2bb95bc06f2f /e2832206
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2736

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\nsi5562.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
\Users\Admin\AppData\Local\Temp\nsi5562.tmp\downloadmr.exe

Filesize
122KB

MD5
da254a8488b60244654e1cf4d6796cf8

SHA1
23d06f4589786652a3a226b5012a5520a3d03452

SHA256
6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

SHA512
d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

Download Submit
\Users\Admin\AppData\Local\Temp\nsi5562.tmp\downloadmr.exe

Filesize
99KB

MD5
880daf7c97dfda0068ef351785de7935

SHA1
d96a329e756459018f5212ee627333fa6b224dcd

SHA256
134b227dd9a5ce0accb308f0cd7c9b747b314e8bf5ee118dce7abc75db914983

SHA512
527e3f39bd57abe6000460a9a1b0b9edb4412e7a6d35854c7297af91383f2dbdd59dfbf5770648666fba27da1a3751713e527eea8ce7e624301944582724e26a

Download Submit
memory/1200-29-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2736-18-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-19-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-20-0x0000000001F60000-0x0000000001FA0000-memory.dmp

Filesize
256KB

Download
memory/2736-21-0x0000000001F60000-0x0000000001FA0000-memory.dmp

Filesize
256KB

Download
memory/2736-22-0x0000000001F60000-0x0000000001FA0000-memory.dmp

Filesize
256KB

Download
memory/2736-23-0x0000000001F60000-0x0000000001FA0000-memory.dmp

Filesize
256KB

Download
memory/2736-24-0x00000000061B0000-0x00000000062B0000-memory.dmp

Filesize
1024KB

Download
memory/2736-25-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download