diamondfox | 3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248

Resubmissions

29-08-2023 03:06

230829-dl7ayacf91 10

01-07-2022 14:18

220701-rmjg6ahdd6 10

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2023 03:06

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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 7 IoCs

Detects DiamondFox payload in file/memory.

infostealer

Processes:

resource	yara_rule
behavioral2/memory/3108-5-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral2/memory/3108-20-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral2/memory/4180-25-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral2/memory/4180-28-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral2/memory/4180-31-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral2/memory/4180-34-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral2/memory/4180-37-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox

Executes dropped EXE 1 IoCs

Processes:

lsass.exe

pid	Process
4180	lsass.exe

UPX packed file 15 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3108-0-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/3108-1-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/3108-3-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/3108-5-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/files/0x0006000000023263-12.dat	upx
behavioral2/files/0x0006000000023263-18.dat	upx
behavioral2/files/0x0006000000023263-19.dat	upx
behavioral2/memory/3108-20-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4180-22-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4180-23-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4180-25-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4180-28-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4180-31-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4180-34-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4180-37-0x0000000000400000-0x000000000049C000-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

Processes:

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exelsass.exe

pid	Process
3108	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
4180	lsass.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe

description	pid	Process	procid_target
PID 3108 wrote to memory of 4580	3108	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	88
PID 3108 wrote to memory of 4580	3108	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	88
PID 3108 wrote to memory of 4180	3108	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	89
PID 3108 wrote to memory of 4180	3108	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	89
PID 3108 wrote to memory of 4180	3108	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	89

C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
"C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4580
- 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:4180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Filesize
312KB

MD5
17a1f7e98731df9b74b98accb650d50e

SHA1
64a96c0cfd3884f682b1b56f3e9e1b880849694f

SHA256
3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248

SHA512
49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917

Download Submit
memory/3108-20-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3108-5-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3108-3-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3108-2-0x00000000005C0000-0x00000000005D5000-memory.dmp

Filesize
84KB

Download
memory/3108-1-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3108-0-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3108-21-0x00000000005C0000-0x00000000005D5000-memory.dmp

Filesize
84KB

Download
memory/4180-22-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4180-23-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4180-25-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4180-28-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4180-31-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4180-34-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4180-37-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download