farfli | dd09e10168871c7988afba96f364538ac11c0ef896a387a25c5a4dc13782a5b8

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/10/2026, 09:30

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General

Target
2026-10-22_6d5c8724c3f43e1eaeca0f8a409b0576_coinminer_elex_wannacry.exe
Size 234KB
Sample261024-lgrcxsys6l
SHA256 dd09e10168871c7988afba96f364538ac11c0ef896a387a25c5a4dc13782a5b8
MD5 6d5c8724c3f43e1eaeca0f8a409b0576
SHA1 93630b07ef0eb40cef0d07ed392e870487a79808
SHA512 40463a5c16bcd778d74d0938cd5ab3995118845bdae634006548add595523d9fcf61a812fa68de0d2c4e411c98da152c1888026cddd579051ba624065dd5fa1d
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSo:tgmYA/nsYf8QdsINkZ6CQetF
TLSH
T1BC34F18136A5CD77F0221B7E4D7B163B8536BE651B00B09BD3C4AD4FB431AE46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit defense_evasion discovery execution farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

98.126.40.18:3204
http://98.126.40.19:805/index.php
http://98.126.40.20:803/

Attributes

user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)

Signatures

Family: Farfli
Farfli is a Windows backdoor written in C++.
backdoor farfli
Family: 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

Detects Farfli Backdoor 2 IoCs

resource	yara_rule
behavioral1/memory/312-15-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli
behavioral1/memory/312-18-0x0000000010000000-0x000000001006D000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/312-15-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/312-18-0x0000000010000000-0x000000001006D000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/3208-0-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral1/memory/3208-2-0x0000000000400000-0x0000000000468000-memory.dmp	UPX
behavioral1/files/0x00070000000004ea-4.dat	UPX
behavioral1/memory/1880-11-0x0000000000400000-0x0000000000468000-memory.dmp	UPX

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1880	mohmy.exe

Executes dropped EXE 2 IoCs

pid	Process
1880	mohmy.exe
312	ptromft.exe

Loads dropped DLL 1 IoCs

pid	Process
312	ptromft.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\rmiqi\\ptromft.exe \"c:\\Program Files\\rmiqi\\ptromft.dll\",Interface"	ptromft.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

description	ioc	Process
File opened (read-only)	\??\x:	ptromft.exe
File opened (read-only)	\??\h:	ptromft.exe
File opened (read-only)	\??\k:	ptromft.exe
File opened (read-only)	\??\m:	ptromft.exe
File opened (read-only)	\??\o:	ptromft.exe
File opened (read-only)	\??\p:	ptromft.exe
File opened (read-only)	\??\s:	ptromft.exe
File opened (read-only)	\??\t:	ptromft.exe
File opened (read-only)	\??\v:	ptromft.exe
File opened (read-only)	\??\e:	ptromft.exe
File opened (read-only)	\??\l:	ptromft.exe
File opened (read-only)	\??\n:	ptromft.exe
File opened (read-only)	\??\q:	ptromft.exe
File opened (read-only)	\??\u:	ptromft.exe
File opened (read-only)	\??\y:	ptromft.exe
File opened (read-only)	\??\z:	ptromft.exe
File opened (read-only)	\??\a:	ptromft.exe
File opened (read-only)	\??\i:	ptromft.exe
File opened (read-only)	\??\j:	ptromft.exe
File opened (read-only)	\??\b:	ptromft.exe
File opened (read-only)	\??\g:	ptromft.exe
File opened (read-only)	\??\r:	ptromft.exe
File opened (read-only)	\??\w:	ptromft.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	ptromft.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\rmiqi	mohmy.exe
File created	\??\c:\Program Files\rmiqi\ptromft.dll	mohmy.exe
File created	\??\c:\Program Files\rmiqi\ptromft.exe	mohmy.exe
File opened for modification	\??\c:\Program Files\rmiqi\ptromft.exe	mohmy.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3820	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	2026-10-22_6d5c8724c3f43e1eaeca0f8a409b0576_coinminer_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mohmy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ptromft.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3820	cmd.exe
4144	PING.EXE

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ptromft.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ptromft.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4144	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
312	ptromft.exe
312	ptromft.exe
312	ptromft.exe
312	ptromft.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	312	ptromft.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3208	2026-10-22_6d5c8724c3f43e1eaeca0f8a409b0576_coinminer_elex_wannacry.exe
1880	mohmy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 3820	3208	2026-10-22_6d5c8724c3f43e1eaeca0f8a409b0576_coinminer_elex_wannacry.exe	83
PID 3820 wrote to memory of 4144	3820	cmd.exe	85
PID 3820 wrote to memory of 1880	3820	cmd.exe	86
PID 1880 wrote to memory of 312	1880	mohmy.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-10-22_6d5c8724c3f43e1eaeca0f8a409b0576_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_6d5c8724c3f43e1eaeca0f8a409b0576_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mohmy.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_6d5c8724c3f43e1eaeca0f8a409b0576_coinminer_elex_wannacry.exe"
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3820
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4144
- - C:\Users\Admin\AppData\Local\Temp\mohmy.exe
    C:\Users\Admin\AppData\Local\Temp\\mohmy.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_6d5c8724c3f43e1eaeca0f8a409b0576_coinminer_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1880
  - - \??\c:\Program Files\rmiqi\ptromft.exe
      "c:\Program Files\rmiqi\ptromft.exe" "c:\Program Files\rmiqi\ptromft.dll",Interface C:\Users\Admin\AppData\Local\Temp\mohmy.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:312

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ptromft.exe

Path C:\Program Files\rmiqi\ptromft.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
TLSH
T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

mohmy.exe

Path C:\Users\Admin\AppData\Local\Temp\mohmy.exe
Size 234KB
SHA256 d59653fe694d61ad1b84fcda17bf11923b374c356aa2b15a03e08f9a34172a5e
MD5 3675659e82e6c0e992521949bf35ceac
SHA1 4780842731792261d3488c65183dc82a67ab6d42
SHA512 5de839474a734666f49c85a1aec00ae03a433c67af78260bc3d572af73860a20e42f399191f35a3ee855012958a69323c2ed421da099f1d6b96c51d3a758afe6
SSDEEP 6144:eMgmYA/npA6SUqfjKfr4QdsICWkZ3h1SLCDFqnetKSoZ:tgmYA/nsYf8QdsINkZ6CQetFg
TLSH
T1D734F18136A5CD77F0221B7E4D7B163B8536BE651B00B09BD3C4AD4FB431AE46E2E209
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ptromft.dll

Path \??\c:\Program Files\rmiqi\ptromft.dll
Size 168KB
SHA256 7c927b485bfc6f6507c1663bd8931f0169ed23d808159c2a8cfc443166e31073
MD5 d31291ed6c8586eea1cd428fc2ddc9ac
SHA1 45a79c568cb68b161105fd890f2af567fec0324b
SHA512 40c58c294ca822a314f794b97247895c9eba5941020d2a9e90e8fffc11597474502f33a7a6425d62fd7f9d93abbefba92266046bd8e2928ccae68da019093583
SSDEEP 3072:S25S8qsPfVoCxEI5GRycgzQkf2+JKC8L1MwwYsg89R5gZMi:SJ8T1xE3ocg9f2nfLnwYsxf2Z9
TLSH
T170F312D3EFA649E0C0361BB07C53C10FB8620C6498725B5543D9BEEA3DA668E493D3A1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/312-14-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/312-15-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/312-18-0x0000000010000000-0x000000001006D000-memory.dmp

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memory/1880-11-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/3208-0-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/3208-2-0x0000000000400000-0x0000000000468000-memory.dmp

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