farfli | e30341a7002f9dda660c1ce5c73870277309be2248a2249460713d61f94b9a0b

Analysis

max time kernel
148s
max time network
137s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 06:29

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General

Target
2026-08-09_c1cd4bf5513d48f810c662879412555c_coinminer_elex_wannacry.exe
Size 312KB
Sample260809-g9atesaq4z
SHA256 e30341a7002f9dda660c1ce5c73870277309be2248a2249460713d61f94b9a0b
MD5 c1cd4bf5513d48f810c662879412555c
SHA1 7513d077dd9c998bc0fab05772a3ee0842ab77bb
SHA512 75bb3fca98af72a580c5ddf794e2a778f7ba9105efe0b766527dbec6ea928f3ab60fbdac851c76ca5901e217e5730a93a8f18c4c86d9ff2472a939f04ad54bb1
SSDEEP 6144:glYAIeOcaxmlJaErfbMCurC7xS3ZMOBnskyrO:ywLcCmuErglr73aAD+
TLSH
T1A164F142D511CF47FC2FCAB6823E1E355317AE553B205693D3C8BA1F65B2B42A63A0D8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli persistence spyware stealer upx

Malware Config

Signatures

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

Detects Farfli Backdoor 7 IoCs

resource	yara_rule
behavioral2/memory/4632-11-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/4632-13-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/4632-16-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/4632-18-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/4632-19-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/4632-20-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/4632-21-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 7 IoCs

resource	yara_rule
behavioral2/memory/4632-11-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4632-13-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4632-16-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4632-18-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4632-19-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4632-20-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4632-21-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/944-0-0x0000000000400000-0x0000000000483000-memory.dmp	UPX
behavioral2/memory/944-2-0x0000000000400000-0x0000000000483000-memory.dmp	UPX
behavioral2/files/0x000f00000001b1d0-3.dat	UPX
behavioral2/memory/1108-6-0x0000000000400000-0x0000000000483000-memory.dmp	UPX

Badlisted process makes network request 8 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
7	4632	rundll32.exe
9	4632	rundll32.exe
10	4632	rundll32.exe
11	4632	rundll32.exe
12	4632	rundll32.exe
13	4632	rundll32.exe
16	4632	rundll32.exe
17	4632	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1108	ahemb.exe

Executes dropped EXE 1 IoCs

pid	Process
1108	ahemb.exe

Loads dropped DLL 1 IoCs

pid	Process
4632	rundll32.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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wetor = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\jimvo\\qkeba.dll\",GetProc"	rundll32.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)	\??\z:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.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	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/944-0-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral2/memory/944-2-0x0000000000400000-0x0000000000483000-memory.dmp	upx
behavioral2/files/0x000f00000001b1d0-3.dat	upx
behavioral2/memory/1108-6-0x0000000000400000-0x0000000000483000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	\??\c:\Program Files\jimvo\qkeba.dll	ahemb.exe
File opened for modification	\??\c:\Program Files\jimvo	ahemb.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
4268	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-09_c1cd4bf5513d48f810c662879412555c_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	ahemb.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
4268	cmd.exe
700	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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
700	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4632	rundll32.exe
4632	rundll32.exe
4632	rundll32.exe
4632	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4632	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
944	2026-08-09_c1cd4bf5513d48f810c662879412555c_coinminer_elex_wannacry.exe
1108	ahemb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 4268	944	2026-08-09_c1cd4bf5513d48f810c662879412555c_coinminer_elex_wannacry.exe	89
PID 4268 wrote to memory of 700	4268	cmd.exe	91
PID 4268 wrote to memory of 1108	4268	cmd.exe	92
PID 1108 wrote to memory of 4632	1108	ahemb.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-09_c1cd4bf5513d48f810c662879412555c_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_c1cd4bf5513d48f810c662879412555c_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ahemb.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_c1cd4bf5513d48f810c662879412555c_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:4268
- - 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:700
- - C:\Users\Admin\AppData\Local\Temp\ahemb.exe
    C:\Users\Admin\AppData\Local\Temp\\ahemb.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_c1cd4bf5513d48f810c662879412555c_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:1108
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\jimvo\qkeba.dll",GetProc C:\Users\Admin\AppData\Local\Temp\ahemb.exe
      4⤵
      Badlisted process makes network request
      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:4632

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

ahemb.exe

Path C:\Users\Admin\AppData\Local\Temp\ahemb.exe
Size 312KB
SHA256 b5d43e6b8358806d71ee3ae34bfa4f8ff2af9db25a22689cd70efdfd2a31de8b
MD5 26724d3d061a197203b05cb5eecac4db
SHA1 f977f0e64440abbb73fd4012c50d4c1630581244
SHA512 9fe02826f41e50a255d870623417cc47cac04ffdeb75d9bd233af424835f9fe80f0bd54e383ba1f0ad760503682cb890e21f800029fcdd1103a5b8a5856ef2a3
SSDEEP 6144:glYAIeOcaxmlJaErfbMCurC7xS3ZMOBnskyrO+:ywLcCmuErglr73aAD+t
TLSH
T16764F141D511CF47FC2FCAB6823E1E355317AE553B2056A3D3C8BA1F65B2B42A63A0D8
MD5 SHA1 SHA512 SSDEEP TLSH

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qkeba.dll

Path \??\c:\Program Files\jimvo\qkeba.dll
Size 218KB
SHA256 dad1ef6456bf6df2f0baf9a0b42eff68a46b29604643d8ce35765f793ec68bd5
MD5 317684a8f2ba96167e970f7335d07879
SHA1 de3359ebf1829686dad40b9b73cb2b4a5d8bd1f0
SHA512 2a206daf88c7b64fdafe231c662e10d257169efedac61dddbea00d659fe7e5930b007702d2aeaa993e4638a2170a197fa39063295fc8eaf1fc0f9a35a0afae24
SSDEEP 6144:KORxNwD2VOidhzeXwddDzLi5vOQEqscr0ZTJauyt3:pnNwDTi3swddDiROXIZ
TLSH
T13024128BCF983873C5223379597951A0B9724290AFA1530D93E6D34FA072BA2CF7B531
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/944-0-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/944-2-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/1108-6-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/4632-9-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/4632-10-0x00000000011E0000-0x00000000011E1000-memory.dmp

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memory/4632-11-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/4632-13-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/4632-15-0x00000000011E0000-0x00000000011E1000-memory.dmp

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memory/4632-16-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/4632-18-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/4632-19-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/4632-20-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/4632-21-0x0000000010000000-0x0000000010058000-memory.dmp

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