stealc | 9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf

General

Target

9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe
Size

252KB
MD5

22b7e30240f2ba7b9f8dc28b8ca8a3e8
SHA1

e6ff3a623345ff800c3b5cfed45375face9c9a64
SHA256

9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf
SHA512

20fc8a81d5c3b1ce2abc243c5f046c999f7a904f065a5495334ec10a07fa60b0232c44b42cfb7a7319987852333997658fadc37b877d2d44449949b80d7d5f35
SSDEEP

6144:OvcdMCQi9IKtAEdht4fTPnVujyu7P7uHyl64:9dMCh9IKqEle5uT7uHc

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.26

Attributes

url_path
/f993692117a3fda2.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Detect binaries embedding considerable number of MFA browser extension IDs. 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3836-52-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral2/memory/3836-80-0x0000000000760000-0x0000000000860000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral2/memory/3836-86-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral2/memory/3836-94-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral2/memory/3836-99-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3836-52-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral2/memory/3836-80-0x0000000000760000-0x0000000000860000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral2/memory/3836-86-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral2/memory/3836-94-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral2/memory/3836-99-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3836-52-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral2/memory/3836-86-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral2/memory/3836-94-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral2/memory/3836-99-0x0000000000400000-0x000000000063B000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exeJDGCGDBGCA.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	JDGCGDBGCA.exe

Executes dropped EXE 1 IoCs

Processes:

JDGCGDBGCA.exe

pid process

3960 JDGCGDBGCA.exe

pid	process
3960	JDGCGDBGCA.exe

Loads dropped DLL 2 IoCs

Processes:

9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe

pid	process
3836	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe
3836	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe

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
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2248 3836 WerFault.exe 9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe

pid	pid_target	process	target process
2248	3836	WerFault.exe	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

444 PING.EXE

pid	process
444	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe

pid	process
3836	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe
3836	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe
3836	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe
3836	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.execmd.exeJDGCGDBGCA.execmd.exe

description	pid	process	target process
PID 3836 wrote to memory of 2136	3836	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe	cmd.exe
PID 3836 wrote to memory of 2136	3836	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe	cmd.exe
PID 3836 wrote to memory of 2136	3836	9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe	cmd.exe
PID 2136 wrote to memory of 3960	2136	cmd.exe	JDGCGDBGCA.exe
PID 2136 wrote to memory of 3960	2136	cmd.exe	JDGCGDBGCA.exe
PID 2136 wrote to memory of 3960	2136	cmd.exe	JDGCGDBGCA.exe
PID 3960 wrote to memory of 3336	3960	JDGCGDBGCA.exe	cmd.exe
PID 3960 wrote to memory of 3336	3960	JDGCGDBGCA.exe	cmd.exe
PID 3960 wrote to memory of 3336	3960	JDGCGDBGCA.exe	cmd.exe
PID 3336 wrote to memory of 444	3336	cmd.exe	PING.EXE
PID 3336 wrote to memory of 444	3336	cmd.exe	PING.EXE
PID 3336 wrote to memory of 444	3336	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe
"C:\Users\Admin\AppData\Local\Temp\9120566b5096fc5643a1b64c2ef29fd034c245d52ec244cdf06b6e312e299acf.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3836

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JDGCGDBGCA.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2136

C:\Users\Admin\AppData\Local\Temp\JDGCGDBGCA.exe
"C:\Users\Admin\AppData\Local\Temp\JDGCGDBGCA.exe"
3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3960

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\JDGCGDBGCA.exe
4⤵
- Suspicious use of WriteProcessMemory
PID:3336

C:\Windows\SysWOW64\PING.EXE
ping 2.2.2.2 -n 1 -w 3000
5⤵
- Runs ping.exe
PID:444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 2452
2⤵
- Program crash
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 3836 -ip 3836
1⤵
PID:1120

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\Are.docx
Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\JDGCGDBGCA.exe
Filesize
106KB

MD5
fe380780b5c35bd6d54541791151c2be

SHA1
7fe3a583cf91474c733f85cebf3c857682e269e1

SHA256
b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

SHA512
ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

Download Submit
memory/3836-52-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/3836-2-0x0000000000710000-0x0000000000737000-memory.dmp

Filesize
156KB

Download
memory/3836-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3836-80-0x0000000000760000-0x0000000000860000-memory.dmp

Filesize
1024KB

Download
memory/3836-3-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/3836-86-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/3836-87-0x0000000000710000-0x0000000000737000-memory.dmp

Filesize
156KB

Download
memory/3836-1-0x0000000000760000-0x0000000000860000-memory.dmp

Filesize
1024KB

Download
memory/3836-94-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/3836-99-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/3960-96-0x00000000720F0000-0x00000000728A0000-memory.dmp

Filesize
7.7MB

Download
memory/3960-97-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/3960-95-0x0000000000AC0000-0x0000000000AE0000-memory.dmp

Filesize
128KB

Download
memory/3960-101-0x00000000720F0000-0x00000000728A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads