gh0strat | bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe

General

Target

bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe
Size

491KB
MD5

6d4a9db3e56c1cb426248ae5b8f175ca
SHA1

c4ed6b32716d9cadd0fae00781e454452f25989c
SHA256

bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe
SHA512

c771ef7a281b45cbe09efcb51d9e6407f4a0c52b0dbab5cbb6e3bbd7e994e7203a90651df76c4d988390c1142378287e4135172670980b522a4d1f212932136d
SSDEEP

6144:GpoMkequERu8qQ1fjYMMW9eKZH+IdISTUL24qL9cPKcPzR2RH6lZv:oDR+u8pfjYMMWNvdhUSByFPzxv

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4408-2-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4408-5-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4408-3-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4504-14-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4504-16-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4504-13-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4408-19-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4504-22-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4720-27-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/4720-26-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral2/memory/4408-2-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/4408-5-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/4408-3-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/4504-14-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/4504-16-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/4504-13-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/4408-19-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/4504-22-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/4720-27-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/4720-26-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Downloads MZ/PE file 2 IoCs

flow	pid	Process
40	2008	Process not Found
56	1828	Process not Found

Executes dropped EXE 2 IoCs

pid	Process
4504	Dtldt.exe
4720	Dtldt.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4408-2-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4408-5-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4408-1-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4408-3-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4504-11-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4504-14-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4504-16-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4504-13-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4408-19-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4504-22-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4720-27-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/4720-26-0x0000000010000000-0x00000000101D0000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Dtldt.exe	bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe
File opened for modification	C:\Program Files\Dtldt.exe	bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dtldt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dtldt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3484	PING.EXE
3668	cmd.exe
684	MicrosoftEdgeUpdate.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3484	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4408	bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 4720	4504	Dtldt.exe	90
PID 4504 wrote to memory of 4720	4504	Dtldt.exe	90
PID 4504 wrote to memory of 4720	4504	Dtldt.exe	90
PID 4408 wrote to memory of 3668	4408	bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe	89
PID 4408 wrote to memory of 3668	4408	bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe	89
PID 4408 wrote to memory of 3668	4408	bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe	89
PID 3668 wrote to memory of 3484	3668	cmd.exe	92
PID 3668 wrote to memory of 3484	3668	cmd.exe	92
PID 3668 wrote to memory of 3484	3668	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe
"C:\Users\Admin\AppData\Local\Temp\bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\BD0A6A~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3668
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3484

C:\Program Files\Dtldt.exe
"C:\\Program Files\\Dtldt.exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Program Files\Dtldt.exe
  "C:\Program Files\Dtldt.exe" -acsi
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4720

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7NUE5ODI2Q0ItRDZEOS00QkUwLUExNjctOUM3NUE0MzZBM0ZCfSIgdXNlcmlkPSJ7MDE1QjE0NjgtNUE3OS00RkQ4LTgxRTUtMzdGQUQ1MDIyQzNDfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7NDY1NURFNDAtQzQ3My00Qjk1LTg3M0ItRUY0M0MxNkE0RUE3fSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTg1MDMyOTUwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Dtldt.exe

Filesize
491KB

MD5
6d4a9db3e56c1cb426248ae5b8f175ca

SHA1
c4ed6b32716d9cadd0fae00781e454452f25989c

SHA256
bd0a6af0726145d3fb2039758e8078fa0b0a7fb12e29089a3a899f15c7bae0fe

SHA512
c771ef7a281b45cbe09efcb51d9e6407f4a0c52b0dbab5cbb6e3bbd7e994e7203a90651df76c4d988390c1142378287e4135172670980b522a4d1f212932136d

Download Submit
memory/4408-19-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4408-1-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4408-3-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4408-5-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4408-2-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4504-11-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4504-14-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4504-16-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4504-13-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4504-22-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4720-27-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/4720-26-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download

Analysis

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