diamondfox | 3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248

General

Target

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
Size

312KB
MD5

17a1f7e98731df9b74b98accb650d50e
SHA1

64a96c0cfd3884f682b1b56f3e9e1b880849694f
SHA256

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248
SHA512

49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917

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

Processes:

resource	yara_rule
behavioral2/memory/3932-138-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral2/memory/3932-142-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral2/memory/5112-150-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox
behavioral2/memory/5112-151-0x0000000000400000-0x000000000049C000-memory.dmp	diamondfox

Executes dropped EXE 1 IoCs

Processes:

lsass.exe

pid	Process
5112	lsass.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3932-130-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/3932-131-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/3932-133-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/3932-138-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/files/0x0006000000023141-140.dat	upx
behavioral2/files/0x0006000000023141-141.dat	upx
behavioral2/memory/3932-142-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/5112-143-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/5112-144-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/5112-145-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/5112-150-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/5112-151-0x0000000000400000-0x000000000049C000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 8 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exelsass.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000	lsass.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\ConfigFlags	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	lsass.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\ConfigFlags	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exelsass.exe

pid	Process
3932	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
5112	lsass.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe

description	pid	Process	procid_target
PID 3932 wrote to memory of 4228	3932	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	79
PID 3932 wrote to memory of 4228	3932	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	79
PID 3932 wrote to memory of 5112	3932	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	82
PID 3932 wrote to memory of 5112	3932	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	82
PID 3932 wrote to memory of 5112	3932	3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe	82

C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
"C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe"
1⤵
- Checks computer location settings
- Checks SCSI registry key(s)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4228
- C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe
  "C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe" 0
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of SetWindowsHookEx
  PID:5112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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
memory/3932-137-0x0000000000A70000-0x0000000000CF1000-memory.dmp

Filesize
2.5MB

Download
memory/3932-142-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3932-130-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3932-138-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3932-133-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3932-131-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4228-132-0x0000000000000000-mapping.dmp

Download
memory/5112-139-0x0000000000000000-mapping.dmp

Download
memory/5112-143-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/5112-144-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/5112-145-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/5112-149-0x0000000002760000-0x0000000002775000-memory.dmp

Filesize
84KB

Download
memory/5112-150-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/5112-151-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads