4a0bfd4489e4c1e7092c1457cbe393702561db736885fe48ba89107bb4e4e5ca

General

Target

452c9453f1b1616ccafe6455d8d70f84.exe
Size

562KB
MD5

452c9453f1b1616ccafe6455d8d70f84
SHA1

853252b78b745b70c7432f410ce43730f713ba1d
SHA256

4a0bfd4489e4c1e7092c1457cbe393702561db736885fe48ba89107bb4e4e5ca
SHA512

c5e75b4856986194538afdb4599f9e97a0bd71df6b979d6d08aca858d869fa6d0e7d06f98aaff763088b63f944c71e4e697917a1d586c3a4f5115c7e7ccf0583
SSDEEP

12288:oPwMDD1dxDx5SCbpK2h6Ieu96aUT7dxIfLbdi8R+3z2f:kt9jF5JU2h6IlLUTUvdRRaz2f

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2900	DownloadManager.exe

Loads dropped DLL 8 IoCs

pid	Process
2248	452c9453f1b1616ccafe6455d8d70f84.exe
2248	452c9453f1b1616ccafe6455d8d70f84.exe
2248	452c9453f1b1616ccafe6455d8d70f84.exe
2248	452c9453f1b1616ccafe6455d8d70f84.exe
2248	452c9453f1b1616ccafe6455d8d70f84.exe
2248	452c9453f1b1616ccafe6455d8d70f84.exe
2248	452c9453f1b1616ccafe6455d8d70f84.exe
2248	452c9453f1b1616ccafe6455d8d70f84.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main	DownloadManager.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2900	DownloadManager.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2900	DownloadManager.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2900	DownloadManager.exe
2900	DownloadManager.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2900	2248	452c9453f1b1616ccafe6455d8d70f84.exe	29
PID 2248 wrote to memory of 2900	2248	452c9453f1b1616ccafe6455d8d70f84.exe	29
PID 2248 wrote to memory of 2900	2248	452c9453f1b1616ccafe6455d8d70f84.exe	29
PID 2248 wrote to memory of 2900	2248	452c9453f1b1616ccafe6455d8d70f84.exe	29

C:\Users\Admin\AppData\Local\Temp\452c9453f1b1616ccafe6455d8d70f84.exe
"C:\Users\Admin\AppData\Local\Temp\452c9453f1b1616ccafe6455d8d70f84.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\DM_T0mQHKclwq\DownloadManager.exe
  DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\452c9453f1b1616ccafe6455d8d70f84.exe"
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\DM_T0mQHKclwq\DownloadManager.exe

Filesize
96KB

MD5
3e7164c6750e14ba53cdb6029875764f

SHA1
6d906aafa905954a8ff2620e0c0a2d7b634b731e

SHA256
18b655d03d5419268746024db4b07755bee5d201240a4ad0acb6e9174676a46f

SHA512
9d9c717cb314909df7abf3854b906a7a30a1cc87142023c66201c24374dfbd2af7a48f74c39e1d783c6d715b34d884878a13bd15a9c5f118690cfff8df539c75

Download Submit
\Users\Admin\AppData\Local\Temp\DM_T0mQHKclwq\DownloadManager.exe

Filesize
92KB

MD5
cfb3f3e5df5c29894934a80d0d4cf043

SHA1
205612814f6e15e50c46b239ff66d845f99ea497

SHA256
ea49ff21b608a406fe92bc343ad3854b520af88b611e569138288ccd4596200d

SHA512
39554338196cfd202e8d39b0191240b5a79078fa75ea1bff8fd3793343b59f0b107457f17f3e3d6a9b28da4831e3396c6718b3add11fde466659492201e19e6d

Download Submit
\Users\Admin\AppData\Local\Temp\nstE54.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nstE54.tmp\UserInfo.dll

Filesize
4KB

MD5
031ec9b12afb1fafc9fc397f3b90f29c

SHA1
de26ddfe3ef452f8205bfbd5520a8eff6328619f

SHA256
2dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1

SHA512
cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6

Download Submit
\Users\Admin\AppData\Local\Temp\nstE54.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
\Users\Admin\AppData\Local\Temp\nstE54.tmp\pwgen.dll

Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/2900-40-0x00000000004E0000-0x0000000000560000-memory.dmp

Filesize
512KB

Download
memory/2900-41-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

Filesize
9.6MB

Download
memory/2900-39-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

Filesize
9.6MB

Download
memory/2900-43-0x00000000004E0000-0x0000000000560000-memory.dmp

Filesize
512KB

Download
memory/2900-42-0x00000000004E0000-0x0000000000560000-memory.dmp

Filesize
512KB

Download
memory/2900-44-0x00000000004E0000-0x0000000000560000-memory.dmp

Filesize
512KB

Download
memory/2900-45-0x0000000021540000-0x0000000021CE6000-memory.dmp

Filesize
7.6MB

Download
memory/2900-51-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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