1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763

Analysis

max time kernel
138s
max time network
161s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 18:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe
Size

559KB
MD5

336a56838f450c74c9e388065cb1dfca
SHA1

3e84dec3b485680395b4d69d48fb912679927b0e
SHA256

1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763
SHA512

5ab10ff74185eb6241842541edc14c988d30ebd4a3cb3e30b7e3ebe6f84b74836d39f066ee6bcaa40630fb17bc9bd642f2738d2ebe7d854defebb02eeaf4d7c0
SSDEEP

12288:RPwMDD10JLlX4plVF664qrsXvVNgTob5itLXvo9jyISJd1/dnee2f:1t909K/VF4qrW7CFXvoxbWz/Jee2f

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1776	DownloadManager.exe

Loads dropped DLL 8 IoCs

pid	Process
1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe
1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe
1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe
1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe
1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe
1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe
1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe
1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe

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

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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	DownloadManager.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1776	DownloadManager.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1776	DownloadManager.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1776	DownloadManager.exe
1776	DownloadManager.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1776	1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe	30
PID 1148 wrote to memory of 1776	1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe	30
PID 1148 wrote to memory of 1776	1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe	30
PID 1148 wrote to memory of 1776	1148	1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe	30

C:\Users\Admin\AppData\Local\Temp\1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe
"C:\Users\Admin\AppData\Local\Temp\1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Users\Admin\AppData\Local\Temp\DM_hmFSgj6M5U\DownloadManager.exe
  DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\1ebd0addb471cc10f837014f7cac122496e64e52fbd8714cde0119d7790e3763.exe"
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DM_hmFSgj6M5U\DownloadManager.exe

Filesize
858KB

MD5
af74f136d1706a7323107308294cce54

SHA1
30981d867bbb480ba134b1eec34a499466e480e3

SHA256
253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218

SHA512
1c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM_hmFSgj6M5U\DownloadManager.exe

Filesize
858KB

MD5
af74f136d1706a7323107308294cce54

SHA1
30981d867bbb480ba134b1eec34a499466e480e3

SHA256
253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218

SHA512
1c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a

Download Submit
\Users\Admin\AppData\Local\Temp\DM_hmFSgj6M5U\DownloadManager.exe

Filesize
858KB

MD5
af74f136d1706a7323107308294cce54

SHA1
30981d867bbb480ba134b1eec34a499466e480e3

SHA256
253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218

SHA512
1c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a

Download Submit
\Users\Admin\AppData\Local\Temp\DM_hmFSgj6M5U\DownloadManager.exe

Filesize
858KB

MD5
af74f136d1706a7323107308294cce54

SHA1
30981d867bbb480ba134b1eec34a499466e480e3

SHA256
253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218

SHA512
1c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a

Download Submit
\Users\Admin\AppData\Local\Temp\nst254E.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nst254E.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nst254E.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nst254E.tmp\UserInfo.dll

Filesize
4KB

MD5
031ec9b12afb1fafc9fc397f3b90f29c

SHA1
de26ddfe3ef452f8205bfbd5520a8eff6328619f

SHA256
2dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1

SHA512
cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6

Download Submit
\Users\Admin\AppData\Local\Temp\nst254E.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
\Users\Admin\AppData\Local\Temp\nst254E.tmp\pwgen.dll

Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/1148-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1776-63-0x0000000000000000-mapping.dmp

Download
memory/1776-66-0x000007FEF3170000-0x000007FEF3B93000-memory.dmp

Filesize
10.1MB

Download
memory/1776-67-0x000007FEF20D0000-0x000007FEF3166000-memory.dmp

Filesize
16.6MB

Download
memory/1776-68-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp

Filesize
8KB

Download
memory/1776-69-0x0000000000B87000-0x0000000000BA6000-memory.dmp

Filesize
124KB

Download
memory/1776-70-0x000007FEEC160000-0x000007FEECFEF000-memory.dmp

Filesize
14.6MB

Download
memory/1776-71-0x0000000000B87000-0x0000000000BA6000-memory.dmp

Filesize
124KB

Download