4dfb5e60476206e3dbe0892b3c2d0bee647632fb10e6c95a588f74b61b3e39b2

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 02:48

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General

Target

4dd1b48ec2e837e91fdd535c1280c189.exe
Size

142KB
MD5

4dd1b48ec2e837e91fdd535c1280c189
SHA1

4039b5f9af74bdfa4efdd870f1d2c39c90680c2b
SHA256

4dfb5e60476206e3dbe0892b3c2d0bee647632fb10e6c95a588f74b61b3e39b2
SHA512

2b357410525e486fc31cd125987c1172a71ae3646f989d86e60ffc39caf4e0852e49e1abeee9ed6dfcc6cf12f8adee6e2424eb7f71182035e55854cc9dcc5025
SSDEEP

3072:6nOn7t7XpdpCCTg/sxFgJaeqgKJ+BCpCSSyFc4Kmg9b51tJZOElNg:6KpdcCrTdgK4SSyFcbmgVjBS

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2740	downloadmr.exe

Loads dropped DLL 4 IoCs

pid	Process
2196	4dd1b48ec2e837e91fdd535c1280c189.exe
2196	4dd1b48ec2e837e91fdd535c1280c189.exe
2196	4dd1b48ec2e837e91fdd535c1280c189.exe
2196	4dd1b48ec2e837e91fdd535c1280c189.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
2740	downloadmr.exe
2740	downloadmr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2740	2196	4dd1b48ec2e837e91fdd535c1280c189.exe	28
PID 2196 wrote to memory of 2740	2196	4dd1b48ec2e837e91fdd535c1280c189.exe	28
PID 2196 wrote to memory of 2740	2196	4dd1b48ec2e837e91fdd535c1280c189.exe	28
PID 2196 wrote to memory of 2740	2196	4dd1b48ec2e837e91fdd535c1280c189.exe	28

C:\Users\Admin\AppData\Local\Temp\4dd1b48ec2e837e91fdd535c1280c189.exe
"C:\Users\Admin\AppData\Local\Temp\4dd1b48ec2e837e91fdd535c1280c189.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\nso655A.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nso655A.tmp\downloadmr.exe /u4f79719d-1368-4f37-a09f-28bd5bc06f2f /e2704947
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2740

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\nso655A.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
\Users\Admin\AppData\Local\Temp\nso655A.tmp\downloadmr.exe

Filesize
122KB

MD5
da254a8488b60244654e1cf4d6796cf8

SHA1
23d06f4589786652a3a226b5012a5520a3d03452

SHA256
6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

SHA512
d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

Download Submit
memory/2196-23-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2196-37-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2196-24-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

Filesize
52KB

Download
memory/2740-20-0x00000000009D0000-0x0000000000A10000-memory.dmp

Filesize
256KB

Download
memory/2740-22-0x00000000009D0000-0x0000000000A10000-memory.dmp

Filesize
256KB

Download
memory/2740-21-0x00000000009D0000-0x0000000000A10000-memory.dmp

Filesize
256KB

Download
memory/2740-19-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2740-25-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2740-26-0x00000000009D0000-0x0000000000A10000-memory.dmp

Filesize
256KB

Download
memory/2740-27-0x00000000061A0000-0x00000000062A0000-memory.dmp

Filesize
1024KB

Download
memory/2740-28-0x00000000009D0000-0x0000000000A10000-memory.dmp

Filesize
256KB

Download
memory/2740-31-0x00000000009D0000-0x0000000000A10000-memory.dmp

Filesize
256KB

Download
memory/2740-32-0x00000000009D0000-0x0000000000A10000-memory.dmp

Filesize
256KB

Download
memory/2740-33-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2740-18-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download