06aef60871153b731f4ed99aa1cf638e022da25cd62cd4d121a3e9799c5fbeb4

General

Target

13bdc0c585544fbe18ff4edd7d4af294.exe
Size

593KB
MD5

13bdc0c585544fbe18ff4edd7d4af294
SHA1

a8bf5125de8bc439490755332703e67a8742a193
SHA256

06aef60871153b731f4ed99aa1cf638e022da25cd62cd4d121a3e9799c5fbeb4
SHA512

413349dc6e8a3cdd9bac8d9175a98c45c659eab6088c14569bff80bd4ec972ecbbfcc289f5286ced88a1d43799e0cc64b5975d17555f1a43cb92ce13b1e29f89
SSDEEP

12288:lwMDD4z8x0bDiuWkPDBfOkAXlgmpQ5K/dQlnrH2DDm:ltghsSD5o1r68/dQlD4Dm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
688	DownloadManager.exe

Loads dropped DLL 7 IoCs

pid	Process
2948	13bdc0c585544fbe18ff4edd7d4af294.exe
2948	13bdc0c585544fbe18ff4edd7d4af294.exe
2948	13bdc0c585544fbe18ff4edd7d4af294.exe
2948	13bdc0c585544fbe18ff4edd7d4af294.exe
2948	13bdc0c585544fbe18ff4edd7d4af294.exe
2948	13bdc0c585544fbe18ff4edd7d4af294.exe
2948	13bdc0c585544fbe18ff4edd7d4af294.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	DownloadManager.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	DownloadManager.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	DownloadManager.exe
File created	C:\Windows\assembly\Desktop.ini	DownloadManager.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	DownloadManager.exe

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
688	DownloadManager.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
688	DownloadManager.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
688	DownloadManager.exe
688	DownloadManager.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 688	2948	13bdc0c585544fbe18ff4edd7d4af294.exe	90
PID 2948 wrote to memory of 688	2948	13bdc0c585544fbe18ff4edd7d4af294.exe	90

C:\Users\Admin\AppData\Local\Temp\13bdc0c585544fbe18ff4edd7d4af294.exe
"C:\Users\Admin\AppData\Local\Temp\13bdc0c585544fbe18ff4edd7d4af294.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Temp\DM_tEn0m8JvQN\DownloadManager.exe
  DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\13bdc0c585544fbe18ff4edd7d4af294.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:688

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_tEn0m8JvQN\DownloadManager.exe

Filesize
1.1MB

MD5
9afe8849216f0163294d6e01a6ac54d4

SHA1
2620528dd4c4ff43e23bb715718c69b7a22ec113

SHA256
915b63d65a2c040401ccb9775618c6edb6c03efa22ce661fb63b26dadd4f6f17

SHA512
5feb397238d8a8b95aded81e113430e4a475de8c49cd203510094e102cd519a391fa58b8718075a0d5c010984d75c435794a5604abd84975f6a2d6b8a0f0a905

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi686F.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi686F.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi686F.tmp\inetc.dll

Filesize
20KB

MD5
c498ae64b4971132bba676873978de1e

SHA1
92e4009cd776b6c8616d8bffade7668ef3cb3c27

SHA256
5552bdde7e4113393f683ef501e4cc84dccc071bdc51391ea7fa3e7c1d49e4e8

SHA512
8e5ca35493f749a39ceae6796d2658ba10f7d8d9ceca45bb4365b338fabd1dfa9b9f92e33f50c91b0273e66adfbce4b98b09c15fd2473f8b214ed797462333d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi686F.tmp\pwgen.dll

Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/688-56-0x00007FFFEB3C0000-0x00007FFFEBD61000-memory.dmp

Filesize
9.6MB

Download
memory/688-60-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-38-0x00007FFFEB3C0000-0x00007FFFEBD61000-memory.dmp

Filesize
9.6MB

Download
memory/688-48-0x0000000001B60000-0x0000000001B78000-memory.dmp

Filesize
96KB

Download
memory/688-51-0x000000001CEA0000-0x000000001D36E000-memory.dmp

Filesize
4.8MB

Download
memory/688-52-0x000000001C8E0000-0x000000001C97C000-memory.dmp

Filesize
624KB

Download
memory/688-53-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-54-0x0000000001950000-0x0000000001958000-memory.dmp

Filesize
32KB

Download
memory/688-55-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-37-0x00007FFFEB3C0000-0x00007FFFEBD61000-memory.dmp

Filesize
9.6MB

Download
memory/688-57-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-58-0x00007FFFEB3C0000-0x00007FFFEBD61000-memory.dmp

Filesize
9.6MB

Download
memory/688-59-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-39-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-61-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-62-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-63-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-65-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-66-0x0000000021100000-0x00000000218A6000-memory.dmp

Filesize
7.6MB

Download
memory/688-67-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-68-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-73-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-74-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-75-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-76-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download
memory/688-77-0x0000000001980000-0x0000000001990000-memory.dmp

Filesize
64KB

Download

Analysis

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