farfli | cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/08/2026, 12:33

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General

Target
cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f.exe
Size 200KB
Sample260815-prezeswfpg
SHA256 cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f
MD5 8e8d8eb1da6e1c3d41bb80a89ca342e3
SHA1 a3560b27e930baf029c59aa53569e62e8e77172a
SHA512 165571d760b8049ec569dce84bd86f32fc00e9d5ed29ffe669feca281809f015cf41427817b748ba60005513a58e3dfadd057dbf5c6fed35073ce084f4cf3535
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTK:X2vnSwjaOcADw9cUeCOfk
TLSH
T126141200CBB4A1E4D49834BA0AC3A311E7F2DECDBB735BF152D6922FAF41F166459890
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli gh0strat persistence rat spyware stealer

Malware Config

Extracted

Family

gh0strat

107.163.241.193:6520
http://107.163.241.181:16300/
http://107.163.241.182:12354/login.php

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 4 IoCs

resource	yara_rule
behavioral1/memory/1956-21-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral1/memory/1956-22-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral1/memory/1956-24-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli
behavioral1/memory/1956-27-0x0000000010000000-0x000000001004E000-memory.dmp	family_farfli

Deletes itself 1 IoCs

pid	Process
5064	epqqr.exe

Executes dropped EXE 2 IoCs

pid	Process
5064	epqqr.exe
1956	ofhir.exe

Loads dropped DLL 1 IoCs

pid	Process
1956	ofhir.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-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\wwfxncr\\ofhir.exe \"c:\\Program Files\\wwfxncr\\ofhir.dll\",Compliance"	ofhir.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)	\??\b:	ofhir.exe
File opened (read-only)	\??\e:	ofhir.exe
File opened (read-only)	\??\g:	ofhir.exe
File opened (read-only)	\??\j:	ofhir.exe
File opened (read-only)	\??\k:	ofhir.exe
File opened (read-only)	\??\q:	ofhir.exe
File opened (read-only)	\??\u:	ofhir.exe
File opened (read-only)	\??\y:	ofhir.exe
File opened (read-only)	\??\a:	ofhir.exe
File opened (read-only)	\??\h:	ofhir.exe
File opened (read-only)	\??\i:	ofhir.exe
File opened (read-only)	\??\o:	ofhir.exe
File opened (read-only)	\??\s:	ofhir.exe
File opened (read-only)	\??\t:	ofhir.exe
File opened (read-only)	\??\v:	ofhir.exe
File opened (read-only)	\??\w:	ofhir.exe
File opened (read-only)	\??\l:	ofhir.exe
File opened (read-only)	\??\n:	ofhir.exe
File opened (read-only)	\??\r:	ofhir.exe
File opened (read-only)	\??\x:	ofhir.exe
File opened (read-only)	\??\z:	ofhir.exe
File opened (read-only)	\??\m:	ofhir.exe
File opened (read-only)	\??\p:	ofhir.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	ofhir.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\wwfxncr\ofhir.exe	epqqr.exe
File opened for modification	\??\c:\Program Files\wwfxncr	epqqr.exe
File created	\??\c:\Program Files\wwfxncr\ofhir.dll	epqqr.exe
File created	\??\c:\Program Files\wwfxncr\ofhir.exe	epqqr.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
3952	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	epqqr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ofhir.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
3952	cmd.exe
3232	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	ofhir.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ofhir.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3232	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1956	ofhir.exe
1956	ofhir.exe
1956	ofhir.exe
1956	ofhir.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	ofhir.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1368	cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f.exe
5064	epqqr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 3952	1368	cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f.exe	86
PID 3952 wrote to memory of 3232	3952	cmd.exe	88
PID 3952 wrote to memory of 5064	3952	cmd.exe	89
PID 5064 wrote to memory of 1956	5064	epqqr.exe	90

C:\Users\Admin\AppData\Local\Temp\cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f.exe
"C:\Users\Admin\AppData\Local\Temp\cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\epqqr.exe "C:\Users\Admin\AppData\Local\Temp\cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f.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:3952
- - 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:3232
- - C:\Users\Admin\AppData\Local\Temp\epqqr.exe
    C:\Users\Admin\AppData\Local\Temp\\epqqr.exe "C:\Users\Admin\AppData\Local\Temp\cb95cd146cd880abbd1ec50e37ad86e7060bfefbc8ec3fcac2f19ff39c6e493f.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:5064
  - - \??\c:\Program Files\wwfxncr\ofhir.exe
      "c:\Program Files\wwfxncr\ofhir.exe" "c:\Program Files\wwfxncr\ofhir.dll",Compliance C:\Users\Admin\AppData\Local\Temp\epqqr.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:1956

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

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

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Downloads

ofhir.dll

Path C:\Program Files\wwfxncr\ofhir.dll
Size 141KB
SHA256 d8e6e6b2d5d9c662fbd60731789514aa0c72f1c8dcbcad3802de079ee76e727d
MD5 2eb316fe1f9a06b76e4a94a3c525cb9c
SHA1 a0a4da903d20a630b78d4696ece80ab98ca3f7e4
SHA512 2f85e6bb74e7525d0da759e6a4c9570ed63c03e0250e47213afae4464afd8d2cc9ceca5b6472c806a6b70d35df470d5390c59e69795b9685dafa0b8225ce0c39
SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4lq:RGMmfToTJY6zpSyvkGSn1tlq
TLSH
T1DDE312E0E3A7C4B6C269573183937DF3162CF5346B18072EED62A32769394C44B9DA1A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ofhir.exe

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

Submit Download

epqqr.exe

Path C:\Users\Admin\AppData\Local\Temp\epqqr.exe
Size 200KB
SHA256 8593e2f824dd617e19e38447007ba9266b3ff6aa0af66db25e136ce5239301ac
MD5 d2ff111d13ddec4cba3b2fb101c9cb0d
SHA1 610650a9806042891051e20b7e3eb530a356e845
SHA512 8e7ea3feac8cc8451c0c76e6da9bcf282da1de3dd61a581c60d9a8823fec231dbf1a6e2593bb2ee60f131e222a54906ae9c98fd93772ee1e0e0c4d9bbdaf24ba
SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTh:X2vnSwjaOcADw9cUeCOff
TLSH
T196141200CBB5A1E8D498347B0AC3A311E7F2DECDBB735BB152D6922FAF41F166459890
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1368-1-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1368-2-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1368-5-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1368-0-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/1956-21-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/1956-27-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/1956-24-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/1956-22-0x0000000010000000-0x000000001004E000-memory.dmp

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memory/5064-10-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/5064-17-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/5064-9-0x0000000000400000-0x000000000044901D-memory.dmp

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memory/5064-11-0x0000000000400000-0x000000000044901D-memory.dmp

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