bb8310f0d618f56aa7bfaf0c9f3b4772e2729c0de5ff6940488b306f8554aeef

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/06/2026, 15:01

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General

Target
2026-06-03_bb7ff5fd63346f575ebc8aab65fdbee2_elex_mafia_stealc_tofsee.exe
Size 468KB
Sample260603-sd4bmsbs2p
SHA256 bb8310f0d618f56aa7bfaf0c9f3b4772e2729c0de5ff6940488b306f8554aeef
MD5 bb7ff5fd63346f575ebc8aab65fdbee2
SHA1 9dfa91d3057fce96d6cab40f7a47d872c6edb858
SHA512 128fe693cebbf309126a77352d53a55c2b9ac9e723991e391ed5dc6189ce8b484fa21b50afc9cb02219b077fc2c5dd3a596f9c0a5dd3bb4e90d8bc79e31dbb8f
SSDEEP 12288:qO4rfItL8HGa6pJJAaKlsdyelIeaU+n7bWmeEVGL:qO4rQtGG1JZjl7sumeEVGL
TLSH
T15EA4F13A7281C133D29302754BDADB96B63E79B04726A4C33BE8067D1FA56E1D336346
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1104	1855.tmp

Executes dropped EXE 1 IoCs

pid	Process
1104	1855.tmp

System Location Discovery: System Language Discovery 1 TTPs 2 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	2026-06-03_bb7ff5fd63346f575ebc8aab65fdbee2_elex_mafia_stealc_tofsee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1855.tmp

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 1104	4912	2026-06-03_bb7ff5fd63346f575ebc8aab65fdbee2_elex_mafia_stealc_tofsee.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-06-03_bb7ff5fd63346f575ebc8aab65fdbee2_elex_mafia_stealc_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-03_bb7ff5fd63346f575ebc8aab65fdbee2_elex_mafia_stealc_tofsee.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Users\Admin\AppData\Local\Temp\1855.tmp
  "C:\Users\Admin\AppData\Local\Temp\1855.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-06-03_bb7ff5fd63346f575ebc8aab65fdbee2_elex_mafia_stealc_tofsee.exe EBA6DEA2537FEA0AE793418194D9849894828763B5306AE007E76561A4C8331AF1497309A1775C9C5FE864DB0DBFD52746BDE6F9242AC9B001F61C1A001DF0BF
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1104

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

1855.tmp

Path C:\Users\Admin\AppData\Local\Temp\1855.tmp
Size 468KB
SHA256 696d3cb8316bc376b3a7e6d5e8c183be8f297da48026532fa9fb1db459d01cbc
MD5 5a2eb43e6da5149efa40c3ecdc9504dd
SHA1 ce8bb3e20d887c70941c8c0b020a4efa6d74f2b3
SHA512 cfc474958e35920e3df9d03c6ea237723f20a9d2355675eeec8bd84a3757acf3c146297db75e203c2b481bf60127ed9f129d29ef1dbb306fd29d7f971bc3d9de
SSDEEP 12288:qO4rfItL8HGZcDRiTjdhUke88+kpTbbNRu9ws7s37bWmeEVGL:qO4rQtGGSwTJh9yHBDgEumeEVGL
TLSH
T1A5A4E13A7282C233D29301311BE6DAAA6A3F75741726A4C73BD4427E1F616E1D37634B
MD5 SHA1 SHA512 SSDEEP TLSH

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