b91fd415640811eb98f61b7505560a768f924bca4e3333483dc3a072d65be4b9

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
17/04/2026, 01:33

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General

Target
2026-04-17_37358efe90b5ac7eee4722efa8ff8d50_elex_mafia_stealc_tofsee.exe
Size 414KB
Sample260417-by2vwadv2k
SHA256 b91fd415640811eb98f61b7505560a768f924bca4e3333483dc3a072d65be4b9
MD5 37358efe90b5ac7eee4722efa8ff8d50
SHA1 27ea04302cfcc77ce622f433595867c7c7201ad7
SHA512 a3d73e68f492509c6e283e2b6dbe0e078f5843a01eec6e3d6f860446582c301661d266b4f010e53149276b40e4900d8f68205f73cc9b5631c9d8e45b94e8d7bd
SSDEEP 6144:Wucyz4obQmKkWb6ekie+ogU6BYDMiTw+MFtM/hvo0xCUAO8KFApv5YIi/Rl:Wq4w/ekieZgU6niZ/hvoW1dIwRl
TLSH
T18894D0357586C033E1A61A388BE5CB669A3A7D604B31A4C737D42BEE6E742C1DB35307
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
6032	FFBD.tmp

Executes dropped EXE 1 IoCs

pid	Process
6032	FFBD.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	2026-04-17_37358efe90b5ac7eee4722efa8ff8d50_elex_mafia_stealc_tofsee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FFBD.tmp

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 6032	4928	2026-04-17_37358efe90b5ac7eee4722efa8ff8d50_elex_mafia_stealc_tofsee.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-04-17_37358efe90b5ac7eee4722efa8ff8d50_elex_mafia_stealc_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-17_37358efe90b5ac7eee4722efa8ff8d50_elex_mafia_stealc_tofsee.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Users\Admin\AppData\Local\Temp\FFBD.tmp
  "C:\Users\Admin\AppData\Local\Temp\FFBD.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-04-17_37358efe90b5ac7eee4722efa8ff8d50_elex_mafia_stealc_tofsee.exe B3FFF90EADEE0B246C8D9060CD9A30507CCD0755A465BCA35F20A239C0B15E0DD7193AA789A974BE780CDFC88704F683BEE9879C58DF618A0383AB7F09F8117C
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:6032

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

FFBD.tmp

Path C:\Users\Admin\AppData\Local\Temp\FFBD.tmp
Size 414KB
SHA256 1978ebcdc0c8c4f7cd9556d134a5651814a7e763280a323e2aaccdeeae986753
MD5 f7c68e36a1944548fc4affd092ceb8b4
SHA1 3ee1c480cb874507ed1278d1db21e6927e4af41a
SHA512 e4959cab7d8f9ebe06b4f71bfad3a182a76d8be4df3bc2c95cde2fa6a6e69601f00ed9987ee3490ead8e7dc0c3b6fb1027c3601cebbdd69a6266ab59943f712e
SSDEEP 12288:Wq4w/ekieZgU62kKoiueMXANxHgTGPMl:Wq4w/ekieH62kKocMQNML
TLSH
T19D94E0353586C037E2A206358BF5CBAA6A397D614B31A4C73BD42ABE5E742D1DB34307
MD5 SHA1 SHA512 SSDEEP TLSH

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