diamondfox | aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9

General

Target

aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe
Size

569KB
MD5

1da9a3e209139bef422041960aba6464
SHA1

00f40230e43aeabb7ef3fb3332a29b59e95e24f9
SHA256

aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9
SHA512

f9d8c905ff143dac5b95be12afd21698795211a639b2977fa0f993221bf2ee86cc1eb8253433dda8e70c58ee559b92d094c75d8750cfa7ed7e1f7316b8621f23

Score

10^/10

diamondfox botnet infostealer stealer upx

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/1992-61-0x0000000000400000-0x0000000000494000-memory.dmp	diamondfox
behavioral1/memory/1992-68-0x0000000000400000-0x0000000000494000-memory.dmp	diamondfox
behavioral1/memory/1244-73-0x0000000000400000-0x0000000000494000-memory.dmp	diamondfox
behavioral1/memory/1244-74-0x0000000000400000-0x0000000000494000-memory.dmp	diamondfox

Executes dropped EXE 1 IoCs

pid	Process
1244	lsass.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1992-57-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral1/memory/1992-61-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral1/memory/1992-68-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral1/memory/1244-69-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral1/memory/1244-73-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral1/memory/1244-74-0x0000000000400000-0x0000000000494000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.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 SetWindowsHookEx 2 IoCs

pid	Process
1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe
1244	lsass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1952	1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe	26
PID 1992 wrote to memory of 1952	1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe	26
PID 1992 wrote to memory of 1952	1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe	26
PID 1992 wrote to memory of 1952	1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe	26
PID 1992 wrote to memory of 1244	1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe	27
PID 1992 wrote to memory of 1244	1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe	27
PID 1992 wrote to memory of 1244	1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe	27
PID 1992 wrote to memory of 1244	1992	aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe	27

C:\Users\Admin\AppData\Local\Temp\aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe
"C:\Users\Admin\AppData\Local\Temp\aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1952
- C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe
  "C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe" 0
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1244

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\lsassfold\lsass.exe

Filesize
569KB

MD5
1da9a3e209139bef422041960aba6464

SHA1
00f40230e43aeabb7ef3fb3332a29b59e95e24f9

SHA256
aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9

SHA512
f9d8c905ff143dac5b95be12afd21698795211a639b2977fa0f993221bf2ee86cc1eb8253433dda8e70c58ee559b92d094c75d8750cfa7ed7e1f7316b8621f23

Download Submit
\Users\Admin\AppData\Roaming\lsassfold\lsass.exe

Filesize
569KB

MD5
1da9a3e209139bef422041960aba6464

SHA1
00f40230e43aeabb7ef3fb3332a29b59e95e24f9

SHA256
aee8df317acf19c8b0645de2ad4595d85281eeaeaf5b9b8f8786c647f8365de9

SHA512
f9d8c905ff143dac5b95be12afd21698795211a639b2977fa0f993221bf2ee86cc1eb8253433dda8e70c58ee559b92d094c75d8750cfa7ed7e1f7316b8621f23

Download Submit
memory/1244-74-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1244-73-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1244-69-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1992-57-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1992-61-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1992-68-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1992-60-0x0000000000380000-0x0000000000395000-memory.dmp

Filesize
84KB

Download
memory/1992-54-0x0000000076291000-0x0000000076293000-memory.dmp

Filesize
8KB

Download
memory/1992-55-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download

Analysis

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