diamondfox | 99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a

General

Target

99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a.exe
Size

259KB
MD5

16ee0affd90564a4bc174144b100af1b
SHA1

218c7b919ce938ab78afa6979895250f1f1cdea8
SHA256

99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a
SHA512

856970fa108ed79d21d786416c7177c9d4d9ea3a87f8863a18406d32e7cceca7b1cd73013467e995d3f634bd46688a096393160205750ad2345a998225d533a3
SSDEEP

6144:L8SHY14PRLaHOmOFWRVwQDDZO9fT32bn/VS:LvHYqPRKOmOFWAK1QfTc

Score

10^/10

diamondfox botnet infostealer stealer

Malware Config

Signatures

DiamondFox
DiamondFox is a multipurpose botnet with many capabilities.
botnet stealer diamondfox

DiamondFox payload 4 IoCs

Detects DiamondFox payload in file/memory.

infostealer

resource	yara_rule
behavioral1/memory/1496-56-0x0000000000840000-0x0000000000873000-memory.dmp	diamondfox
behavioral1/memory/1496-57-0x0000000000400000-0x000000000083B000-memory.dmp	diamondfox
behavioral1/memory/276-65-0x0000000000400000-0x000000000083B000-memory.dmp	diamondfox
behavioral1/memory/276-69-0x0000000000400000-0x000000000083B000-memory.dmp	diamondfox

Executes dropped EXE 1 IoCs

pid	Process
276	MicrosoftEdgeCPS.exe

Loads dropped DLL 3 IoCs

pid	Process
1496	99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a.exe
1496	99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a.exe
276	MicrosoftEdgeCPS.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 276	1496	99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a.exe	27
PID 1496 wrote to memory of 276	1496	99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a.exe	27
PID 1496 wrote to memory of 276	1496	99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a.exe	27
PID 1496 wrote to memory of 276	1496	99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a.exe	27

C:\Users\Admin\AppData\Local\Temp\99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a.exe
"C:\Users\Admin\AppData\Local\Temp\99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
  "C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:276

Network

MITRE ATT&CK Enterprise v6

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\Roaming\EdgeCP\MicrosoftEdgeCPS.exe

Filesize
259KB

MD5
16ee0affd90564a4bc174144b100af1b

SHA1
218c7b919ce938ab78afa6979895250f1f1cdea8

SHA256
99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a

SHA512
856970fa108ed79d21d786416c7177c9d4d9ea3a87f8863a18406d32e7cceca7b1cd73013467e995d3f634bd46688a096393160205750ad2345a998225d533a3

Download Submit
C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe

Filesize
259KB

MD5
16ee0affd90564a4bc174144b100af1b

SHA1
218c7b919ce938ab78afa6979895250f1f1cdea8

SHA256
99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a

SHA512
856970fa108ed79d21d786416c7177c9d4d9ea3a87f8863a18406d32e7cceca7b1cd73013467e995d3f634bd46688a096393160205750ad2345a998225d533a3

Download Submit
\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe

Filesize
259KB

MD5
16ee0affd90564a4bc174144b100af1b

SHA1
218c7b919ce938ab78afa6979895250f1f1cdea8

SHA256
99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a

SHA512
856970fa108ed79d21d786416c7177c9d4d9ea3a87f8863a18406d32e7cceca7b1cd73013467e995d3f634bd46688a096393160205750ad2345a998225d533a3

Download Submit
\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe

Filesize
259KB

MD5
16ee0affd90564a4bc174144b100af1b

SHA1
218c7b919ce938ab78afa6979895250f1f1cdea8

SHA256
99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a

SHA512
856970fa108ed79d21d786416c7177c9d4d9ea3a87f8863a18406d32e7cceca7b1cd73013467e995d3f634bd46688a096393160205750ad2345a998225d533a3

Download Submit
\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe

Filesize
259KB

MD5
16ee0affd90564a4bc174144b100af1b

SHA1
218c7b919ce938ab78afa6979895250f1f1cdea8

SHA256
99dc3fa5b1eb7771475721fbfb981615126ccb11e51bd0f8375735f1eedf9d7a

SHA512
856970fa108ed79d21d786416c7177c9d4d9ea3a87f8863a18406d32e7cceca7b1cd73013467e995d3f634bd46688a096393160205750ad2345a998225d533a3

Download Submit
memory/276-64-0x00000000009EA000-0x0000000000A08000-memory.dmp

Filesize
120KB

Download
memory/276-65-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/276-68-0x00000000009EA000-0x0000000000A08000-memory.dmp

Filesize
120KB

Download
memory/276-69-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/1496-57-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/1496-62-0x00000000002AA000-0x00000000002C8000-memory.dmp

Filesize
120KB

Download
memory/1496-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1496-55-0x00000000002AA000-0x00000000002C8000-memory.dmp

Filesize
120KB

Download
memory/1496-56-0x0000000000840000-0x0000000000873000-memory.dmp

Filesize
204KB

Download

Analysis

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