bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009

Analysis

max time kernel
145s
max time network
208s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 13:12

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General

Target

bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe
Size

471KB
MD5

fbed12d69b26ccb21e5d26a16cea5453
SHA1

587b43d4db27be5863081b5feb4172fccc5a2ea7
SHA256

bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009
SHA512

ca8190652bbd523c0d14960df8b1b3071c17dd8177545f408f35c37b1d4c0a980b3cef71bb807904576f558f3d0c32d6808a96ac69a804fe2a83ba5adff1d7f6
SSDEEP

6144:Nmsyd7BspOWZ+Stxo3Gc2uqy3gu88mWCMpCRWFf2Kj+m+6XjY1:5pO3StxwGc2c3tfmfsCRA22+m+8a

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

worker.exe

pid process

864 worker.exe
Loads dropped DLL 1 IoCs

Processes:

bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe

pid process

1296 bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.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

Processes:

worker.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main worker.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

worker.exe

description pid process

Token: SeDebugPrivilege 864 worker.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

worker.exe

pid process

864 worker.exe
864 worker.exe

pid	process
864	worker.exe

pid	process
1296	bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	worker.exe

description	pid	process
Token: SeDebugPrivilege	864	worker.exe

pid	process
864	worker.exe
864	worker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe

description	pid	process	target process
PID 1296 wrote to memory of 864	1296	bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe	worker.exe
PID 1296 wrote to memory of 864	1296	bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe	worker.exe
PID 1296 wrote to memory of 864	1296	bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe	worker.exe
PID 1296 wrote to memory of 864	1296	bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe	worker.exe

C:\Users\Admin\AppData\Local\Temp\bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe
"C:\Users\Admin\AppData\Local\Temp\bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Users\Admin\AppData\Local\Temp\DM\worker.exe
  "C:\Users\Admin\AppData\Local\Temp\DM\worker.exe"
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:864

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\DM\parent.txt

Filesize
471KB

MD5
fbed12d69b26ccb21e5d26a16cea5453

SHA1
587b43d4db27be5863081b5feb4172fccc5a2ea7

SHA256
bfd0cddf2f6242efe309cd52a256ba471e3ffd962fbbc73370121a8ea17dc009

SHA512
ca8190652bbd523c0d14960df8b1b3071c17dd8177545f408f35c37b1d4c0a980b3cef71bb807904576f558f3d0c32d6808a96ac69a804fe2a83ba5adff1d7f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\worker.exe

Filesize
19KB

MD5
2b23c69b68708c14fc214c3454e6b1bd

SHA1
5c923d25c14ad13dab4f05bb1423026f873e7dc4

SHA256
b2eb3b20cfa82a80207cb9fe8ea7cb28faa1b35612816b7b0052e68b9c8068bd

SHA512
00135ff0664e9de5f98be600773c72025f5f338e7301ab9d10b023fef672baa2ddbe3124813352eacf8d7475f0905d68dded619aa2cc3099f10b943ff3cdb8c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\worker.exe

Filesize
19KB

MD5
2b23c69b68708c14fc214c3454e6b1bd

SHA1
5c923d25c14ad13dab4f05bb1423026f873e7dc4

SHA256
b2eb3b20cfa82a80207cb9fe8ea7cb28faa1b35612816b7b0052e68b9c8068bd

SHA512
00135ff0664e9de5f98be600773c72025f5f338e7301ab9d10b023fef672baa2ddbe3124813352eacf8d7475f0905d68dded619aa2cc3099f10b943ff3cdb8c5

Download Submit
\Users\Admin\AppData\Local\Temp\DM\worker.exe

Filesize
19KB

MD5
2b23c69b68708c14fc214c3454e6b1bd

SHA1
5c923d25c14ad13dab4f05bb1423026f873e7dc4

SHA256
b2eb3b20cfa82a80207cb9fe8ea7cb28faa1b35612816b7b0052e68b9c8068bd

SHA512
00135ff0664e9de5f98be600773c72025f5f338e7301ab9d10b023fef672baa2ddbe3124813352eacf8d7475f0905d68dded619aa2cc3099f10b943ff3cdb8c5

Download Submit
memory/864-56-0x0000000000000000-mapping.dmp

Download
memory/864-59-0x000007FEF3270000-0x000007FEF3C93000-memory.dmp

Filesize
10.1MB

Download
memory/864-60-0x000007FEF21D0000-0x000007FEF3266000-memory.dmp

Filesize
16.6MB

Download
memory/864-61-0x000007FEFB5F1000-0x000007FEFB5F3000-memory.dmp

Filesize
8KB

Download
memory/1296-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download