133b448b11a35b9b6c547c1876c24db05ff1cc2dc24504bc552a541fd0c70cac

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
02/08/2026, 06:03

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General

Target
2026-08-02_75d38a149fa6304533620dc35b271c98_coinminer_elex_wannacry.exe
Size 592KB
Sample260802-gr3rgstyhs
SHA256 133b448b11a35b9b6c547c1876c24db05ff1cc2dc24504bc552a541fd0c70cac
MD5 75d38a149fa6304533620dc35b271c98
SHA1 d3e0ed79f2547e6f970e086cf3d0882300acb58e
SHA512 af375d63273458e9277f296211ce1ace9c80104dfcb4b73a6c4b64358e214fc3dec80725096d68e506d9d536c77053b2d19c856bf4613a30eefadf50c4765f8f
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAC:aqzw2wsEDbZ67fpLyUB/5qLl5
TLSH
T105D4AD13B2E4C855E1A12A72CC7667B0DEF5BEE4D9358A1F5F843A0D2833E00E6157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

bootkit discovery execution persistence spyware stealer upx

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 5 IoCs

resource	yara_rule
behavioral1/memory/2976-16-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2976-17-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2976-18-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2976-21-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2976-24-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/456-0-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral1/memory/456-2-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral1/files/0x0014000000024469-4.dat	UPX
behavioral1/memory/3324-11-0x0000000000400000-0x000000000048B000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
3324	jlfof.exe

Executes dropped EXE 2 IoCs

pid	Process
3324	jlfof.exe
2976	igu.exe

Loads dropped DLL 1 IoCs

pid	Process
2976	igu.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-1-5-21-2937465464-4167303362-2236413517-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dtfd = "c:\\Program Files\\dilju\\igu.exe \"c:\\Program Files\\dilju\\iguji.dll\",DoAddToFavDlg"	igu.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)	\??\g:	igu.exe
File opened (read-only)	\??\m:	igu.exe
File opened (read-only)	\??\q:	igu.exe
File opened (read-only)	\??\p:	igu.exe
File opened (read-only)	\??\a:	igu.exe
File opened (read-only)	\??\e:	igu.exe
File opened (read-only)	\??\i:	igu.exe
File opened (read-only)	\??\j:	igu.exe
File opened (read-only)	\??\n:	igu.exe
File opened (read-only)	\??\o:	igu.exe
File opened (read-only)	\??\u:	igu.exe
File opened (read-only)	\??\k:	igu.exe
File opened (read-only)	\??\l:	igu.exe
File opened (read-only)	\??\r:	igu.exe
File opened (read-only)	\??\s:	igu.exe
File opened (read-only)	\??\t:	igu.exe
File opened (read-only)	\??\x:	igu.exe
File opened (read-only)	\??\y:	igu.exe
File opened (read-only)	\??\z:	igu.exe
File opened (read-only)	\??\b:	igu.exe
File opened (read-only)	\??\h:	igu.exe
File opened (read-only)	\??\v:	igu.exe
File opened (read-only)	\??\w:	igu.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	igu.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/456-0-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral1/memory/456-2-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral1/files/0x0014000000024469-4.dat	upx
behavioral1/memory/3324-11-0x0000000000400000-0x000000000048B000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\dilju\iguji.dll	jlfof.exe
File created	\??\c:\Program Files\dilju\igu.exe	jlfof.exe
File opened for modification	\??\c:\Program Files\dilju\igu.exe	jlfof.exe
File opened for modification	\??\c:\Program Files\dilju	jlfof.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
4132	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	2026-08-02_75d38a149fa6304533620dc35b271c98_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	jlfof.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igu.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
4132	cmd.exe
1392	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	igu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	igu.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1392	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2976	igu.exe
2976	igu.exe
2976	igu.exe
2976	igu.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	igu.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
456	2026-08-02_75d38a149fa6304533620dc35b271c98_coinminer_elex_wannacry.exe
3324	jlfof.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 4132	456	2026-08-02_75d38a149fa6304533620dc35b271c98_coinminer_elex_wannacry.exe	85
PID 4132 wrote to memory of 1392	4132	cmd.exe	87
PID 4132 wrote to memory of 3324	4132	cmd.exe	88
PID 3324 wrote to memory of 2976	3324	jlfof.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_75d38a149fa6304533620dc35b271c98_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_75d38a149fa6304533620dc35b271c98_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:456
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\jlfof.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-02_75d38a149fa6304533620dc35b271c98_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:4132
- - 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:1392
- - C:\Users\Admin\AppData\Local\Temp\jlfof.exe
    C:\Users\Admin\AppData\Local\Temp\\jlfof.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-02_75d38a149fa6304533620dc35b271c98_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:3324
  - - \??\c:\Program Files\dilju\igu.exe
      "c:\Program Files\dilju\igu.exe" "c:\Program Files\dilju\iguji.dll",DoAddToFavDlg C:\Users\Admin\AppData\Local\Temp\jlfof.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:2976

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

Replay Monitor

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Downloads

igu.exe

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

Submit Download

jlfof.exe

Path C:\Users\Admin\AppData\Local\Temp\jlfof.exe
Size 593KB
SHA256 d557c9aa6b53257f1bc6e8fe5566d9d089443cc19848d8d1cb2cd62f83f2812e
MD5 bebf024ef4a21a47775b81a486acc2ac
SHA1 7722264d67bb77df55bc31498552f642e6481fc2
SHA512 24b099ef499ac3b28c53cb48eb23fd851fd60e39304bd6f0e1b149708793e0b9dfc8e44357544bb00aa3dbe2af1f38f48050d15977e0c4cb09803ba3171133c1
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAl:aqzw2wsEDbZ67fpLyUB/5qLlq
TLSH
T102D4AD13B2E4C855E1A12A72CC7663B0DEF5BEE4D9358A1F5F843A0D2933E00E6157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

iguji.dll

Path \??\c:\Program Files\dilju\iguji.dll
Size 171KB
SHA256 66e49a3901f09ff52ac8190238e7a07ccaf704dee12a55f69762e5024de480b7
MD5 db6e633cb356e881734940ca368b08cf
SHA1 782a499cc05f841b9b79fdf4b1e2f45d5d86040a
SHA512 151fc7c9009afd45491d0f960df05d84091fbe9979aba8dbe4b3d88604045d932aa0528ec81309dbe1bd970c522a5ff738775f9535bd7fff671bee57955e9f10
SSDEEP 3072:R2Iz9CI8mUOtDDPwLkBLXLDFkKmvzXBpLHYmmO1QezRd7UcPa1xMjM7y:Rjz9X8mXGUXVPmr9mOzRd7UcPKoMG
TLSH
T1810412B0F3F98759F0A716B70831597CC97639826329237FC2889A6EAC5442FF18D764
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/456-0-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/456-2-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/2976-15-0x0000000000D60000-0x0000000000D62000-memory.dmp

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memory/2976-14-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/2976-16-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/2976-17-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/2976-18-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/2976-19-0x0000000000D60000-0x0000000000D62000-memory.dmp

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memory/2976-21-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/2976-24-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3324-11-0x0000000000400000-0x000000000048B000-memory.dmp

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