diamondfox | 3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248

General

Target

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
Size

312KB
MD5

17a1f7e98731df9b74b98accb650d50e
SHA1

64a96c0cfd3884f682b1b56f3e9e1b880849694f
SHA256

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248
SHA512

49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917
SSDEEP

6144:n6Mld0mZO7xKwkN4hzWxXAjHO4aoi8yij67LHMtBhqjeicA:ntlZQxRkN4hyxwbx0ctjbX

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 10 IoCs

Detects DiamondFox payload in file/memory.

infostealer

resource	yara_rule
behavioral1/memory/2628-6-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral1/memory/2628-7-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral1/memory/2628-17-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral1/memory/2916-28-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral1/memory/2916-29-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral1/memory/2916-30-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral1/memory/2916-31-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral1/memory/2916-32-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral1/memory/2916-36-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral1/memory/2916-39-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox

Executes dropped EXE 1 IoCs

pid	Process
2916	lsass.exe

Loads dropped DLL 1 IoCs

pid	Process
2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2628-0-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2628-1-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2628-3-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2628-6-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2628-7-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/files/0x000900000001229a-16.dat	upx
behavioral1/memory/2628-15-0x0000000002FE0000-0x000000000307C000-memory.dmp	upx
behavioral1/files/0x000900000001229a-14.dat	upx
behavioral1/memory/2916-18-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2628-17-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/files/0x000900000001229a-12.dat	upx
behavioral1/memory/2916-21-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2916-24-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2916-28-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2916-29-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2916-30-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2916-31-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2916-32-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2916-36-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral1/memory/2916-39-0x0000000000400000-0x000000000049C000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
2916	lsass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 548	2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	28
PID 2628 wrote to memory of 548	2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	28
PID 2628 wrote to memory of 548	2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	28
PID 2628 wrote to memory of 548	2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	28
PID 2628 wrote to memory of 2916	2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	29
PID 2628 wrote to memory of 2916	2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	29
PID 2628 wrote to memory of 2916	2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	29
PID 2628 wrote to memory of 2916	2628	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	29

C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
"C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:548
- 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:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
312KB

MD5
17a1f7e98731df9b74b98accb650d50e

SHA1
64a96c0cfd3884f682b1b56f3e9e1b880849694f

SHA256
3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248

SHA512
49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917

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

Filesize
312KB

MD5
17a1f7e98731df9b74b98accb650d50e

SHA1
64a96c0cfd3884f682b1b56f3e9e1b880849694f

SHA256
3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248

SHA512
49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917

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

Filesize
312KB

MD5
17a1f7e98731df9b74b98accb650d50e

SHA1
64a96c0cfd3884f682b1b56f3e9e1b880849694f

SHA256
3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248

SHA512
49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917

Download Submit
memory/2628-19-0x0000000000320000-0x0000000000335000-memory.dmp

Filesize
84KB

Download
memory/2628-1-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2628-7-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2628-3-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2628-15-0x0000000002FE0000-0x000000000307C000-memory.dmp

Filesize
624KB

Download
memory/2628-2-0x0000000000320000-0x0000000000335000-memory.dmp

Filesize
84KB

Download
memory/2628-6-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2628-0-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2628-17-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-18-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-21-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-24-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-28-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-29-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-30-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-31-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-32-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-36-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2916-39-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download

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