8cf78645f26121aa1f52eb420fedbc6491129a187a5542aea68c9077caa51807

Analysis

max time kernel
149s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 02:20

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General

Target
2026-08-03_aae92d846457715f7d908d1272f69ea7_akira_rusty-stealer.exe
Size 501KB
Sample260803-csk6lsap8z
SHA256 8cf78645f26121aa1f52eb420fedbc6491129a187a5542aea68c9077caa51807
MD5 aae92d846457715f7d908d1272f69ea7
SHA1 4e4ddb163b3ada93105e7a91eb15d3b26041483c
SHA512 a84914767569a0f18867cf95c4152d8938b988ba3f26b7e9e59611dc24f3177ed7277e6ae520ab1c5b1cc2cedbab6968785c2bfee837490175d4938057f30d15
SSDEEP 12288:N5/buMaFJhvBT909j3emBsequ6XZ6/pRB:zjPAn0N3keP4U/pRB
TLSH
T147B44B8F3190AEF8CA75947DB7C0F2695D6225B0D21A30DB10B5E3F80BAA8C5DE9D705
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Program Files\\Search.exe"	tmp_exec.exe

Detects executables (downlaoders) containing URLs to raw contents of a paste 2 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4ff-2.dat	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
behavioral2/memory/2824-4-0x000001DE4A100000-0x000001DE4A160000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL

Executes dropped EXE 3 IoCs

pid	Process
2824	tmp_exec.exe
1476	Search.exe
6012	Searcher.exe

Looks up external IP address via web service 1 TTPs 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
1	api.ipify.org
3	api.ipify.org
4	api.ipify.org
5	api.ipify.org

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Search.exe	Search.exe
File opened for modification	C:\Program Files\Search.exe	Searcher.exe
File created	C:\Program Files\Search.exe	tmp_exec.exe
File opened for modification	C:\Program Files\Search.exe	tmp_exec.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Searcher.exe	Search.exe
File opened for modification	C:\Windows\Searcher.exe	Searcher.exe
File created	C:\Windows\Searcher.exe	tmp_exec.exe
File opened for modification	C:\Windows\Searcher.exe	tmp_exec.exe

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

System Information Discovery
T1082

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
6080	cmd.exe
5864	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
5816	schtasks.exe
5940	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	tmp_exec.exe
Token: SeDebugPrivilege	1476	Search.exe
Token: SeDebugPrivilege	6012	Searcher.exe
Token: SeIncBasePriorityPrivilege	1476	Search.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 2824	3188	2026-08-03_aae92d846457715f7d908d1272f69ea7_akira_rusty-stealer.exe	89
PID 2824 wrote to memory of 1560	2824	tmp_exec.exe	92
PID 2824 wrote to memory of 6080	2824	tmp_exec.exe	94
PID 6080 wrote to memory of 5940	6080	cmd.exe	96
PID 2824 wrote to memory of 5864	2824	tmp_exec.exe	97
PID 5864 wrote to memory of 5816	5864	cmd.exe	99
PID 2824 wrote to memory of 1476	2824	tmp_exec.exe	100

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\2026-08-03_aae92d846457715f7d908d1272f69ea7_akira_rusty-stealer.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_aae92d846457715f7d908d1272f69ea7_akira_rusty-stealer.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Users\Admin\AppData\Local\Temp\tmp_exec.exe
  C:\Users\Admin\AppData\Local\Temp\tmp_exec.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SYSTEM32\CMD.exe
    "CMD" netsh advfirewall firewall add rule name="2j&0P^~8P&s=PL" dir=in action=allow program="C:\Program Files\Search.exe" enable=yes & exit
    3⤵
    PID:1560
- - C:\Windows\SYSTEM32\cmd.exe
    "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Program Files\Search.exe" /RL HIGHEST & exit
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:6080
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Program Files\Search.exe" /RL HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:5940
- - C:\Windows\SYSTEM32\cmd.exe
    "cmd" /c schtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Windows\Searcher.exe" /RL HIGHEST & exit
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:5864
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Windows\Searcher.exe" /RL HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:5816
- - C:\Program Files\Search.exe
    "C:\Program Files\Search.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Suspicious use of AdjustPrivilegeToken
    PID:1476

C:\Windows\Searcher.exe
C:\Windows\Searcher.exe
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:6012

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp_exec.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp_exec.exe
Size 378KB
SHA256 384ed62a0897face5d19446aad62c63fad1933b9aef0198299ee8c773d799eb9
MD5 365895534249a0a084ebb938bb044019
SHA1 6334ec48d50105bdc073a7b8d2600eb505399c11
SHA512 9539e8cd346dd0955bfbb634375d455b3ae687f3acdce1bbd911196c225e68fe8174ba2ade9e59f2d329a9ec6927f8f7394240c0853dd64b0a578658977d15ef
SSDEEP 6144:6MAzahwXg3ipZGD8FLeHDHKZNE6wDHdkQEA5fPsgCvJYzb5I76m7Flm4T3KbYfyP:XzhwFZGD8+MgqYzb5w62BT67ZB
TLSH
T18384F8147F998A09E980297E415E5901C7DA62F22132A303370AFF655D89DDEDF2C3EB
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2824-4-0x000001DE4A100000-0x000001DE4A160000-memory.dmp

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memory/2824-5-0x00007FF908B6F000-0x00007FF908B70000-memory.dmp

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memory/2824-6-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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memory/2824-7-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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memory/2824-8-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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memory/2824-9-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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memory/2824-10-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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memory/2824-11-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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memory/2824-12-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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memory/2824-13-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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memory/2824-14-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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memory/2824-98-0x00007FF9089E0000-0x00007FF909384000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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