stormser | 28f97840ba3792036f6fd03fb73e942723f436d1dc0770a8cc2f853c51c29dd8

General

Target
2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe
Size 468KB
Sample260828-e9plgabg77
SHA256 28f97840ba3792036f6fd03fb73e942723f436d1dc0770a8cc2f853c51c29dd8
MD5 dbf678300baa34cfe3c8e40c1e6e65e4
SHA1 e35a1046552ff55be25b9d3aa0b038081e6d7482
SHA512 007b9a5c36b3479980751f8a286a143541498c834cd347f204f623275b2d5e83ae480525bbc8a955f42cadf117069defa0aa9ece679b96e33742942c4afed9ed
SSDEEP 6144:jEGGl5eKcAEcgYEGDl5eKcAEcXgulUNt2Lja1M+9klvLc2:jdgEgAgEAXd3wM452
TLSH
T1E4A4592233F59A25F4F31B354CB5C051AA37BF919A71D91D2288B15E0A72B80CE75B3B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution stormser persistence worm

Malware Config

Signatures

Family: Stormser, StormDDoS, StormAttack, Stormer
Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.
worm stormser

Detects Stormser aka Storm DDoS and StormAttack 2 IoCs

resource	yara_rule
behavioral1/files/0x00070000000168df-2.dat	family_stormser
behavioral1/files/0x001300000001b359-6.dat	family_stormser

Auto-generated rule 2 IoCs

resource	yara_rule
behavioral1/files/0x00070000000168df-2.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral1/files/0x001300000001b359-6.dat	GoldenEyeRansomware_Dropper_MalformedZoomit

Detects Windows executables referencing Office macro registry keys. Observed modifying Office config 2 IoCs

resource	yara_rule
behavioral1/files/0x00070000000168df-2.dat	INDICATOR_SUSPICIOUS_EXE_Enable_OfficeMacro
behavioral1/files/0x001300000001b359-6.dat	INDICATOR_SUSPICIOUS_EXE_Enable_OfficeMacro

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}	2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}\stubpath = "C:\\Windows\\{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe"	2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8D89A795-572A-4106-9071-8F66A066F214}	{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8D89A795-572A-4106-9071-8F66A066F214}\stubpath = "C:\\Windows\\{8D89A795-572A-4106-9071-8F66A066F214}.exe"	{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe

Executes dropped EXE 2 IoCs

pid	Process
3344	{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe
2932	{8D89A795-572A-4106-9071-8F66A066F214}.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\{8D89A795-572A-4106-9071-8F66A066F214}.exe	{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe
File created	C:\Windows\{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe	2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe

Executes a command shell one-liner 1 TTPs 2 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
3684	cmd.exe
3084	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	{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{8D89A795-572A-4106-9071-8F66A066F214}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2412	2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	3344	{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 3344	2412	2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe	100
PID 2412 wrote to memory of 3084	2412	2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe	101
PID 3344 wrote to memory of 2932	3344	{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe	102
PID 3344 wrote to memory of 3684	3344	{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-27_dbf678300baa34cfe3c8e40c1e6e65e4_elex_goldeneye_wannacry.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe
  C:\Windows\{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3344
- - C:\Windows\{8D89A795-572A-4106-9071-8F66A066F214}.exe
    C:\Windows\{8D89A795-572A-4106-9071-8F66A066F214}.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2932
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{417A3~1.EXE > nul
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:3684
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3084

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe

Path C:\Windows\{417A3F4B-6609-47f5-B2A8-E7778D8FCE3F}.exe
Size 468KB
SHA256 671377eb78081d27dbd934ebee7f276360f4b37ee22ab2e1f74e2a154645a5e9
MD5 9a61646f1d866302a04216ea458e2399
SHA1 2a2c20ba4b482adb50a02313e153355f953651ce
SHA512 6f0515ae4c39c1c0e75cc4eed5523f0d6d480d7df02728dbe1d9698fbe1e9eda0a80d2441b06a3f3117ee860b4b452c4f15b631e3e799de1cc589765505c1353
SSDEEP 6144:jEGpl5eKcAEcgYEGDl5eKcAEcXgulUNt2Lja1M+9klvLc2:jegEgAgEAXd3wM452
TLSH
T1BDA4592233F59A25F4F31B354CB5C051AA37BF919A71D91D2288B15E0A72B80CE75B3B
MD5 SHA1 SHA512 SSDEEP TLSH

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{8D89A795-572A-4106-9071-8F66A066F214}.exe

Path C:\Windows\{8D89A795-572A-4106-9071-8F66A066F214}.exe
Size 468KB
SHA256 5b50f327b24164ee263861fee56e36153516f42276af64a4799001c68010d893
MD5 2dcbeac3a5507128780e4e39ed44d4ac
SHA1 f1d5f8d717b534753f09eced81dd8c2031627c4e
SHA512 4fbdec52897d991ae6d9e0a4ac2a3ff62b6309baa547a6786c38b5ea39a86552e7265862b5bc7b681fa8f9156d17a6161d1f9de10b20bea4eac0de406461f6a7
SSDEEP 6144:jEG+l5eKcAEcgYEGDl5eKcAEcXgulUNt2Lja1M+9klvLc2:jZgEgAgEAXd3wM452
TLSH
T186A4592233F59A25F4F31B354CB5C051AA37BF919A71D91D2288B15E0A72B80CE75B3B
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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