244c693922da65a044f6226a3f05ba26d8055eb210b3f43e64925dc80f3d6a17

General

Target

7341e923d37930deb38419980bc4d3b2.exe
Size

779KB
MD5

7341e923d37930deb38419980bc4d3b2
SHA1

130b7c917d72d0ee83e81397cd60ad5684d6175d
SHA256

244c693922da65a044f6226a3f05ba26d8055eb210b3f43e64925dc80f3d6a17
SHA512

220a41d08151d1a3b102bbcd1d16c8db313a87a6d6bec80e4f8de5ccba0f4691917d2178dc42523455e5abbe9555fa93aee647ec92c4dc838e93c43d0d86dcda
SSDEEP

12288:gwMDD47E2/bDlvNXK6si6xhMiprWebxTAij1rlAUN4Cvt0RUli/F2mu:gtg7E2NvJAv/dqIxLjAUVl0RUlGYm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
184	DownloadManager.exe

Loads dropped DLL 7 IoCs

pid	Process
2924	7341e923d37930deb38419980bc4d3b2.exe
2924	7341e923d37930deb38419980bc4d3b2.exe
2924	7341e923d37930deb38419980bc4d3b2.exe
2924	7341e923d37930deb38419980bc4d3b2.exe
2924	7341e923d37930deb38419980bc4d3b2.exe
2924	7341e923d37930deb38419980bc4d3b2.exe
2924	7341e923d37930deb38419980bc4d3b2.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\Desktop.ini	DownloadManager.exe
File opened for modification	C:\Windows\assembly	DownloadManager.exe
File created	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
184	DownloadManager.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
184	DownloadManager.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
184	DownloadManager.exe
184	DownloadManager.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 184	2924	7341e923d37930deb38419980bc4d3b2.exe	61
PID 2924 wrote to memory of 184	2924	7341e923d37930deb38419980bc4d3b2.exe	61

C:\Users\Admin\AppData\Local\Temp\7341e923d37930deb38419980bc4d3b2.exe
"C:\Users\Admin\AppData\Local\Temp\7341e923d37930deb38419980bc4d3b2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\DM_jOsty2KiUq\DownloadManager.exe
  DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\7341e923d37930deb38419980bc4d3b2.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:184

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_jOsty2KiUq\ApplicationDebug.log

Filesize
114B

MD5
c085d5451020159ec84ad5063d0faff7

SHA1
c32a9b21952ec1a2cb5dfffc8a6ddb0f5070692a

SHA256
5e82a976a9e3a193b2366954d94b8e919ab4d75b1573295684664a9e5d85f80d

SHA512
6deb0d3ca9c7368dfff5ac08da8d700debeda9c16f1d48175e3bf3e909c7db50d4a64b8373d81732901119ebaecb1684b0ab22ed1b0047a2b6241e0fbadf08eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM_jOsty2KiUq\DownloadManager.exe

Filesize
1.3MB

MD5
31199b186530877b8a853119ceaf39ac

SHA1
fdb4db880edb74e718c913d477316330f1341b9b

SHA256
33ab2810cab812621f8e8bf1d30e49a41570af00693db2bfabff69c6d242bd01

SHA512
7d5bb60198e03fc1c136a64a1721792805effd66aea593ea64a74b63e3cfa101a96508676abf64a3aa0a53b8e134f7a9da8e80c0def3eac3f5c745acd80b2a02

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu538F.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu538F.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu538F.tmp\inetc.dll

Filesize
20KB

MD5
c498ae64b4971132bba676873978de1e

SHA1
92e4009cd776b6c8616d8bffade7668ef3cb3c27

SHA256
5552bdde7e4113393f683ef501e4cc84dccc071bdc51391ea7fa3e7c1d49e4e8

SHA512
8e5ca35493f749a39ceae6796d2658ba10f7d8d9ceca45bb4365b338fabd1dfa9b9f92e33f50c91b0273e66adfbce4b98b09c15fd2473f8b214ed797462333d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu538F.tmp\pwgen.dll

Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/184-63-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-68-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-49-0x000000001D230000-0x000000001D2CC000-memory.dmp

Filesize
624KB

Download
memory/184-48-0x000000001CD60000-0x000000001D22E000-memory.dmp

Filesize
4.8MB

Download
memory/184-50-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-51-0x00000000013E0000-0x00000000013E8000-memory.dmp

Filesize
32KB

Download
memory/184-52-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-54-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-53-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-56-0x0000000021A50000-0x00000000221F6000-memory.dmp

Filesize
7.6MB

Download
memory/184-61-0x00007FFACE670000-0x00007FFACF011000-memory.dmp

Filesize
9.6MB

Download
memory/184-62-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-37-0x00007FFACE670000-0x00007FFACF011000-memory.dmp

Filesize
9.6MB

Download
memory/184-64-0x00007FFACE670000-0x00007FFACF011000-memory.dmp

Filesize
9.6MB

Download
memory/184-65-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-66-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-67-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-45-0x000000001BBB0000-0x000000001BBF8000-memory.dmp

Filesize
288KB

Download
memory/184-69-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-70-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download
memory/184-71-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-72-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-73-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-74-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-75-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-76-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-77-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-78-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-79-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-80-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-82-0x000000001EA70000-0x00000000200E7000-memory.dmp

Filesize
22.5MB

Download
memory/184-83-0x00007FFACE670000-0x00007FFACF011000-memory.dmp

Filesize
9.6MB

Download
memory/184-38-0x00000000012B0000-0x00000000012C0000-memory.dmp

Filesize
64KB

Download

Analysis

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