23cdb1fe7d4ca31ebf1800e75ec9193e91f01f288d38d2472291f94b97aa27bc

General

Target

3f04b8a16dafdb114000fa5c9c437984.exe
Size

562KB
MD5

3f04b8a16dafdb114000fa5c9c437984
SHA1

748cf2a224e517dc634ef18ddbfe85c164aaaeda
SHA256

23cdb1fe7d4ca31ebf1800e75ec9193e91f01f288d38d2472291f94b97aa27bc
SHA512

b65ba35648ceb99f7c049bc1d8b71a3bbdce3114eefed5867cee4efeb3179905e62bf3db4c8b3580798dde8e69de4de5920a8b41b023d100c2f6b25e08d8b261
SSDEEP

12288:oPwMDD1dxDx5SCbpK2h6Ieu96aUT7dxIfLbdi8R+3z2f:kt9jF5JU2h6IlLUTUvdRRaz2f

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3940	DownloadManager.exe

Loads dropped DLL 6 IoCs

pid	Process
3976	3f04b8a16dafdb114000fa5c9c437984.exe
3976	3f04b8a16dafdb114000fa5c9c437984.exe
3976	3f04b8a16dafdb114000fa5c9c437984.exe
3976	3f04b8a16dafdb114000fa5c9c437984.exe
3976	3f04b8a16dafdb114000fa5c9c437984.exe
3976	3f04b8a16dafdb114000fa5c9c437984.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
3940	DownloadManager.exe
3940	DownloadManager.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 3940	3976	3f04b8a16dafdb114000fa5c9c437984.exe	21
PID 3976 wrote to memory of 3940	3976	3f04b8a16dafdb114000fa5c9c437984.exe	21

C:\Users\Admin\AppData\Local\Temp\3f04b8a16dafdb114000fa5c9c437984.exe
"C:\Users\Admin\AppData\Local\Temp\3f04b8a16dafdb114000fa5c9c437984.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Users\Admin\AppData\Local\Temp\DM_2j3r2gkc0r\DownloadManager.exe
  DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\3f04b8a16dafdb114000fa5c9c437984.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DM_2j3r2gkc0r\ApplicationDebug.log

Filesize
230B

MD5
13319c83cb404695da6bc802d41e9fd0

SHA1
0e424113697ea4b5f4acb2664557c36009b930d6

SHA256
43c613fae535720a5d73ca73e28a30e1c81fb1716bece4ee096ee3fd304265da

SHA512
83dbb6e59682b0e783a68dfe9386d3ccce88d1a9afd53e06d57e98f1a9ddef3203c1b23cdce7aae3cf0752df3a16366ead4797a34a699258a19c43e6cce10abf

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd4F88.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd4F88.tmp\UserInfo.dll

Filesize
4KB

MD5
031ec9b12afb1fafc9fc397f3b90f29c

SHA1
de26ddfe3ef452f8205bfbd5520a8eff6328619f

SHA256
2dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1

SHA512
cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd4F88.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd4F88.tmp\pwgen.dll

Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/3940-44-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-53-0x00007FFB606E0000-0x00007FFB61081000-memory.dmp

Filesize
9.6MB

Download
memory/3940-40-0x000000001B7A0000-0x000000001B7A8000-memory.dmp

Filesize
32KB

Download
memory/3940-41-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-43-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-45-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-38-0x000000001C420000-0x000000001C8EE000-memory.dmp

Filesize
4.8MB

Download
memory/3940-47-0x000000001E840000-0x000000001E8A2000-memory.dmp

Filesize
392KB

Download
memory/3940-42-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-48-0x0000000020860000-0x0000000021006000-memory.dmp

Filesize
7.6MB

Download
memory/3940-54-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-39-0x000000001C8F0000-0x000000001C98C000-memory.dmp

Filesize
624KB

Download
memory/3940-55-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-57-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-56-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-58-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-59-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/3940-62-0x00007FFB606E0000-0x00007FFB61081000-memory.dmp

Filesize
9.6MB

Download
memory/3940-35-0x00007FFB606E0000-0x00007FFB61081000-memory.dmp

Filesize
9.6MB

Download
memory/3940-37-0x00007FFB606E0000-0x00007FFB61081000-memory.dmp

Filesize
9.6MB

Download
memory/3940-36-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download

Analysis

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