42a008d5cce8cc092b2ecb63edea7b97036702c5248f18bb5d514203b2bda591

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
24/05/2026, 22:51

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General

Target
2026-05-24_b9d76d33210fa788104ac626de0ac1a7_elex_wannacry.exe
Size 66KB
Sample260524-2s34vsb151
SHA256 42a008d5cce8cc092b2ecb63edea7b97036702c5248f18bb5d514203b2bda591
MD5 b9d76d33210fa788104ac626de0ac1a7
SHA1 d9802f7d35cf4a9384e2bdd8d707f0776d7e84dc
SHA512 9be7fd97fd9f13915f2389d2bbaf4fd1507a7db43907c89eba91837022bd6512460f768caade66822e7d9db1e46093ce0e62b7a3c4c40b907cd8afea99aca42b
SSDEEP 768:ZrItKyw5WHXfQIhIiIk9ecAaVPD96KyX6nRRR9:Zr3Z5IfQIR81ad5yX6nRRR9
TLSH
T16A63B6C7AA815552D40B1C3B00C667BE5CA63C35494E5922AEF3EDCEECABB353526C43
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 4 IoCs

resource	yara_rule
behavioral2/memory/792-0-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/files/0x000700000002a8ef-3.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/792-5-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/4332-6-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1344	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
4332	tuehost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\tuehost.exe	attrib.exe
File created	C:\Windows\Debug\tuehost.exe	2026-05-24_b9d76d33210fa788104ac626de0ac1a7_elex_wannacry.exe
File opened for modification	C:\Windows\Debug\tuehost.exe	2026-05-24_b9d76d33210fa788104ac626de0ac1a7_elex_wannacry.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	2026-05-24_b9d76d33210fa788104ac626de0ac1a7_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tuehost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	792	2026-05-24_b9d76d33210fa788104ac626de0ac1a7_elex_wannacry.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 1344	792	2026-05-24_b9d76d33210fa788104ac626de0ac1a7_elex_wannacry.exe	81
PID 792 wrote to memory of 2912	792	2026-05-24_b9d76d33210fa788104ac626de0ac1a7_elex_wannacry.exe	84

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1344	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2026-05-24_b9d76d33210fa788104ac626de0ac1a7_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-24_b9d76d33210fa788104ac626de0ac1a7_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\tuehost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:1344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2912

C:\Windows\Debug\tuehost.exe
C:\Windows\Debug\tuehost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4332

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tuehost.exe

Path C:\Windows\debug\tuehost.exe
Size 66KB
SHA256 a36823af4dd0d15192c8361ecbb33bab4cfe267b1d01b7a341f23169b8b109f7
MD5 7580015a56e1b95186f4abea78886039
SHA1 9b7c42b2da3a7229359ba0e5c3a888c8c3b0e41e
SHA512 47f3e24dfb74ab7fee8c4d3a22ed8f9b4c4751d57b623c8f542ee084645e8d4fa90b175932ffb6c4ce2c169eef25d87a8d70e85fc4eebe0249b0deb57e0d5c93
SSDEEP 768:ZrItKyw5WHXfQIhIiIk9ecAaVPD96KyX6nRRRW:Zr3Z5IfQIR81ad5yX6nRRRW
TLSH
T13863B5C7AA815552D40A1C3B01C667BE5CA63C35494E5922AEF3EDCEECABB243526C43
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/792-0-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/792-5-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/4332-6-0x0000000000400000-0x0000000000411000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads