purplefox | c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c

General

Target

c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe
Size

570KB
MD5

cc1d473e4ff86eadfdb6b200af148778
SHA1

7b438765f45a1b006ff463d2d1cf87632c9cba61
SHA256

c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c
SHA512

8d4714f91a2288cdb053306f8192defb5701a1853e9aae5cea2457a58afad2ac13bea75d52c6a8a498bae13f4e3ef34492f0bcad2b183ccc3385c080a53261da
SSDEEP

12288:PQAk2mN2J/6b/Q+S5RMA2nvhBQ3nsae953+uPk7D31qDA4:IAhmN2J/6kvGA2nvhBQ3nGF+ug0M

Score

10^/10

purplefox sainbox loader dropper loader rootkit trojan upx

Malware Config

Extracted

Family

purplefox

Botnet

Sainbox

C2

162.211.180.205

Signatures

Detect PurpleFox Dropper 5 IoCs

Detect PurpleFox Dropper.

dropper loader

Processes:

resource	yara_rule
behavioral1/memory/556-65-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_dropper
behavioral1/memory/556-66-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_dropper
behavioral1/memory/556-68-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_dropper
behavioral1/memory/556-69-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_dropper
behavioral1/memory/556-72-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_dropper

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/556-65-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_rootkit
behavioral1/memory/556-66-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_rootkit
behavioral1/memory/556-68-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_rootkit
behavioral1/memory/556-69-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_rootkit
behavioral1/memory/556-72-0x0000000180000000-0x0000000180883000-memory.dmp	purplefox_rootkit

PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Executes dropped EXE 1 IoCs

Processes:

56789.exe

pid process

556 56789.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/556-62-0x0000000180000000-0x0000000180883000-memory.dmp	upx
behavioral1/memory/556-65-0x0000000180000000-0x0000000180883000-memory.dmp	upx
behavioral1/memory/556-66-0x0000000180000000-0x0000000180883000-memory.dmp	upx
behavioral1/memory/556-68-0x0000000180000000-0x0000000180883000-memory.dmp	upx
behavioral1/memory/556-69-0x0000000180000000-0x0000000180883000-memory.dmp	upx
behavioral1/memory/556-72-0x0000000180000000-0x0000000180883000-memory.dmp	upx

Loads dropped DLL 3 IoCs

Processes:

c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe56789.exe

pid	process
1664	c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe
1664	c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe
556	56789.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

56789.exe

description	ioc	process
File opened (read-only)	\??\S:	56789.exe
File opened (read-only)	\??\T:	56789.exe
File opened (read-only)	\??\X:	56789.exe
File opened (read-only)	\??\F:	56789.exe
File opened (read-only)	\??\G:	56789.exe
File opened (read-only)	\??\H:	56789.exe
File opened (read-only)	\??\L:	56789.exe
File opened (read-only)	\??\R:	56789.exe
File opened (read-only)	\??\N:	56789.exe
File opened (read-only)	\??\O:	56789.exe
File opened (read-only)	\??\P:	56789.exe
File opened (read-only)	\??\W:	56789.exe
File opened (read-only)	\??\Z:	56789.exe
File opened (read-only)	\??\E:	56789.exe
File opened (read-only)	\??\I:	56789.exe
File opened (read-only)	\??\J:	56789.exe
File opened (read-only)	\??\Q:	56789.exe
File opened (read-only)	\??\U:	56789.exe
File opened (read-only)	\??\B:	56789.exe
File opened (read-only)	\??\K:	56789.exe
File opened (read-only)	\??\M:	56789.exe
File opened (read-only)	\??\V:	56789.exe
File opened (read-only)	\??\Y:	56789.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

56789.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	56789.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	56789.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

56789.exe

pid	process
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe
556	56789.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid process

1312 DllHost.exe

pid	process
1312	DllHost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe

description	pid	process	target process
PID 1664 wrote to memory of 556	1664	c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe	56789.exe
PID 1664 wrote to memory of 556	1664	c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe	56789.exe
PID 1664 wrote to memory of 556	1664	c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe	56789.exe
PID 1664 wrote to memory of 556	1664	c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe	56789.exe

C:\Users\Admin\AppData\Local\Temp\c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe
"C:\Users\Admin\AppData\Local\Temp\c34fba6710c48163d8f508eaead4704e189ac383f120e7da6d375cb4591ac40c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1664

C:\ProgramData\56789.exe
"C:\ProgramData\56789.exe" -a
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:556

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:1312

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\1.jpg
Filesize
95KB

MD5
3fd62a684e641a41de73c5fd6194e849

SHA1
01a6688f15df9a118c1ae3388a7ee43eff7863d4

SHA256
fc8e35efc47f5586847badfead6a233924e54a6ccc9e5eeec143a117c09272a2

SHA512
d2646587151c75f5d44c983400c5efdb2fe41ab0db6dfb0378b5d829d4356098f13a01220a1132cbd202f958ced522d0794f21c1d2712a78f2b7612db27cd800

Download Submit
C:\ProgramData\56789.exe
Filesize
483KB

MD5
be1c30ac4a3ab12f7f867462c2eaaaa0

SHA1
1754115d879260984380671c4f8bbf90dde1d60a

SHA256
57b994435fd9c01b273888be5f4b210f8d0ca4b4598e0e8afd7339cfdb8bc6ab

SHA512
f28a241a76d77d837af25fa2be0536c38f505c5e16043f7a51794e490ed5d6241ce80fabab0f8b52a32a63aebd92f5d99894f2e83e9ef0f6585b78fd1a6d05cb

Download Submit
C:\ProgramData\7777.dll
Filesize
416KB

MD5
6e0f3a3bfe8b767e17b591a61fe05c53

SHA1
2aa49dfbf4310ff2f036b9635d83eab2b9e2510a

SHA256
10d2fe6d8ed612ca56441fd43c417dc9f0dde89c9402376f4930816cc10f01b6

SHA512
d6c34c1dc61f17aa08e214a1d2c10e635a68739dd2ff91b86a067dffb318c58807f4dc5dc3347e77a76762097451302cd5f9737dfc36e67e513d8bd1c75edd31

Download Submit
C:\ProgramData\luohua.xml
Filesize
2.7MB

MD5
216a36eac1b2e2d00710fce36154c4b9

SHA1
cbf9b4cd59dc94eb375e907fa9cae0f3dfbd9f08

SHA256
f4d33e7bcc4e6b17c8ac1e6c8ccdff72d342e91f4923fbae4c1a070ce06b8169

SHA512
052b9dff0073c50722409a0cec11164f5d607fef6f3e4fbcf254a8972c6a0a3170cfb2c45d649ec5637ca651f1715fff1dcf2132001c9c0589d80b003db7ff74

Download Submit
\ProgramData\56789.exe
Filesize
483KB

MD5
be1c30ac4a3ab12f7f867462c2eaaaa0

SHA1
1754115d879260984380671c4f8bbf90dde1d60a

SHA256
57b994435fd9c01b273888be5f4b210f8d0ca4b4598e0e8afd7339cfdb8bc6ab

SHA512
f28a241a76d77d837af25fa2be0536c38f505c5e16043f7a51794e490ed5d6241ce80fabab0f8b52a32a63aebd92f5d99894f2e83e9ef0f6585b78fd1a6d05cb

Download Submit
\ProgramData\56789.exe
Filesize
483KB

MD5
be1c30ac4a3ab12f7f867462c2eaaaa0

SHA1
1754115d879260984380671c4f8bbf90dde1d60a

SHA256
57b994435fd9c01b273888be5f4b210f8d0ca4b4598e0e8afd7339cfdb8bc6ab

SHA512
f28a241a76d77d837af25fa2be0536c38f505c5e16043f7a51794e490ed5d6241ce80fabab0f8b52a32a63aebd92f5d99894f2e83e9ef0f6585b78fd1a6d05cb

Download Submit
\ProgramData\7777.dll
Filesize
416KB

MD5
6e0f3a3bfe8b767e17b591a61fe05c53

SHA1
2aa49dfbf4310ff2f036b9635d83eab2b9e2510a

SHA256
10d2fe6d8ed612ca56441fd43c417dc9f0dde89c9402376f4930816cc10f01b6

SHA512
d6c34c1dc61f17aa08e214a1d2c10e635a68739dd2ff91b86a067dffb318c58807f4dc5dc3347e77a76762097451302cd5f9737dfc36e67e513d8bd1c75edd31

Download Submit
memory/556-62-0x0000000180000000-0x0000000180883000-memory.dmp

Filesize
8.5MB

Download
memory/556-65-0x0000000180000000-0x0000000180883000-memory.dmp

Filesize
8.5MB

Download
memory/556-66-0x0000000180000000-0x0000000180883000-memory.dmp

Filesize
8.5MB

Download
memory/556-67-0x0000000001D50000-0x0000000002000000-memory.dmp

Filesize
2.7MB

Download
memory/556-68-0x0000000180000000-0x0000000180883000-memory.dmp

Filesize
8.5MB

Download
memory/556-69-0x0000000180000000-0x0000000180883000-memory.dmp

Filesize
8.5MB

Download
memory/556-57-0x0000000000000000-mapping.dmp

Download
memory/556-72-0x0000000180000000-0x0000000180883000-memory.dmp

Filesize
8.5MB

Download
memory/1664-54-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads