stealc | 7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1

General

Target

7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe
Size

1.6MB
MD5

242cf4251e0dec3a13473c30f1ab9051
SHA1

175966b4d5c3b63130ef87e1b9b3071e70a4d4c9
SHA256

7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1
SHA512

e55c624c348cbea3e45c3ba3ed8644988e8a5c6c13cf5d96f71e087342823e36d5adca10f871b43267fa242e768e3bf43e8e019441eae32baefb87610e5a98e0
SSDEEP

24576:spM5863IGfTAVpalBYUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BYUkxVVChjHZQs

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Signatures

Detect Vidar Stealer 8 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/2240-10-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2240-8-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2240-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2240-11-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2240-12-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2240-14-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2240-13-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2240-15-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Executes dropped EXE 1 IoCs

Processes:

kat499C.tmp

pid process

2240 kat499C.tmp
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
2240	kat499C.tmp

Suspicious use of SetThreadContext 1 IoCs

Processes:

7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe

description	pid	process	target process
PID 1620 set thread context of 2240	1620	7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe	kat499C.tmp

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

System Information Discovery
T1082
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

kat499C.tmp

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat499C.tmp
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1944 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

kat499C.tmp

pid process

2240 kat499C.tmp
2240 kat499C.tmp

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	kat499C.tmp

pid	process
1944	timeout.exe

pid	process
2240	kat499C.tmp
2240	kat499C.tmp

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exekat499C.tmpcmd.exe

description	pid	process	target process
PID 1620 wrote to memory of 2240	1620	7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe	kat499C.tmp
PID 1620 wrote to memory of 2240	1620	7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe	kat499C.tmp
PID 1620 wrote to memory of 2240	1620	7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe	kat499C.tmp
PID 1620 wrote to memory of 2240	1620	7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe	kat499C.tmp
PID 1620 wrote to memory of 2240	1620	7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe	kat499C.tmp
PID 1620 wrote to memory of 2240	1620	7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe	kat499C.tmp
PID 1620 wrote to memory of 2240	1620	7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe	kat499C.tmp
PID 1620 wrote to memory of 2240	1620	7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe	kat499C.tmp
PID 2240 wrote to memory of 3016	2240	kat499C.tmp	cmd.exe
PID 2240 wrote to memory of 3016	2240	kat499C.tmp	cmd.exe
PID 2240 wrote to memory of 3016	2240	kat499C.tmp	cmd.exe
PID 3016 wrote to memory of 1944	3016	cmd.exe	timeout.exe
PID 3016 wrote to memory of 1944	3016	cmd.exe	timeout.exe
PID 3016 wrote to memory of 1944	3016	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe
"C:\Users\Admin\AppData\Local\Temp\7219c5b418d16878855ed871c4367a909f9c5837d4e19e3397e4961a0abea3b1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1620

C:\Users\Admin\AppData\Local\Temp\kat499C.tmp
C:\Users\Admin\AppData\Local\Temp\kat499C.tmp
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2240

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat499C.tmp" & rd /s /q "C:\ProgramData\DAAFBAKECAEG" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:3016

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:1944

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\kat499C.tmp
Filesize
448KB

MD5
d7d3e9e68f500a5362ef855382d5934b

SHA1
740495877cbcda9c61c8eb1ce3cb0c0f20738a81

SHA256
8cdc50bc308edd6d0f70d7c8203f0ef469daaa62ae801a00c93e6b9160fef772

SHA512
512f5d5764050274d5beb6c966c787eb50a9850ec4c4886cda14f3a912dc627d29d2cac5db7f825500041a47ce65ecc4e8f728dc934c748f6575ae17d4c2cf89

Download Submit
memory/1620-0-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/1620-9-0x0000000000400000-0x0000000000594000-memory.dmp

Filesize
1.6MB

Download
memory/1620-2-0x0000000004020000-0x0000000004130000-memory.dmp

Filesize
1.1MB

Download
memory/2240-10-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2240-8-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2240-4-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2240-11-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2240-12-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2240-14-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2240-13-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2240-15-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads