stealc | 24e18b3f56320ad957aa58f4862ab5560a260835ff88c6436754a3c2ded98798

General

Target

24e18b3f56320ad957aa58f4862ab5560a260835ff88c6436754a3c2ded98798.exe
Size

376KB
MD5

80a1b4ba130bd8b23a4ef2698145fb62
SHA1

77e119fcc521e71e25416a5315edfb4367d99d07
SHA256

24e18b3f56320ad957aa58f4862ab5560a260835ff88c6436754a3c2ded98798
SHA512

f8a526d787c863b7a02c9f19a371273a3379b9884707503e36f4d9aafdc95572207a9cca96d8979e65ff0b79ba7443ca635fdcab038072fe4d05201709f64209
SSDEEP

6144:CI51Z/Bd1Mk2nXZR0pfrsPMbddSZp9Vt53RU6vuprqFTOjyo:Co1Zpd1p2JG1rs0yj9Vt5i62dsqyo

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes

url_path
/3cd2b41cbde8fc9c.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	24e18b3f56320ad957aa58f4862ab5560a260835ff88c6436754a3c2ded98798.exe
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	u170.0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	ECBGIEHDBA.exe

Executes dropped EXE 2 IoCs

pid	Process
2440	u170.0.exe
2872	ECBGIEHDBA.exe

Loads dropped DLL 2 IoCs

pid	Process
2440	u170.0.exe
2440	u170.0.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 2 IoCs

pid	pid_target	Process	procid_target
4792	1548	WerFault.exe	86
5052	2440	WerFault.exe	97

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u170.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u170.0.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4916	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2440	u170.0.exe
2440	u170.0.exe
2440	u170.0.exe
2440	u170.0.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2440	1548	24e18b3f56320ad957aa58f4862ab5560a260835ff88c6436754a3c2ded98798.exe	97
PID 1548 wrote to memory of 2440	1548	24e18b3f56320ad957aa58f4862ab5560a260835ff88c6436754a3c2ded98798.exe	97
PID 1548 wrote to memory of 2440	1548	24e18b3f56320ad957aa58f4862ab5560a260835ff88c6436754a3c2ded98798.exe	97
PID 2440 wrote to memory of 976	2440	u170.0.exe	103
PID 2440 wrote to memory of 976	2440	u170.0.exe	103
PID 2440 wrote to memory of 976	2440	u170.0.exe	103
PID 976 wrote to memory of 2872	976	cmd.exe	106
PID 976 wrote to memory of 2872	976	cmd.exe	106
PID 976 wrote to memory of 2872	976	cmd.exe	106
PID 2872 wrote to memory of 4456	2872	ECBGIEHDBA.exe	108
PID 2872 wrote to memory of 4456	2872	ECBGIEHDBA.exe	108
PID 2872 wrote to memory of 4456	2872	ECBGIEHDBA.exe	108
PID 4456 wrote to memory of 4916	4456	cmd.exe	110
PID 4456 wrote to memory of 4916	4456	cmd.exe	110
PID 4456 wrote to memory of 4916	4456	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\24e18b3f56320ad957aa58f4862ab5560a260835ff88c6436754a3c2ded98798.exe
"C:\Users\Admin\AppData\Local\Temp\24e18b3f56320ad957aa58f4862ab5560a260835ff88c6436754a3c2ded98798.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Local\Temp\u170.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u170.0.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\ECBGIEHDBA.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:976
  - - C:\Users\Admin\AppData\Local\Temp\ECBGIEHDBA.exe
      "C:\Users\Admin\AppData\Local\Temp\ECBGIEHDBA.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2872
    - - 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\ECBGIEHDBA.exe
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4456
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 2.2.2.2 -n 1 -w 3000
        6⤵
        Runs ping.exe
        
        PID:4916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 2376
    3⤵
    - Program crash
    PID:5052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 1152
  2⤵
  - Program crash
  PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1548 -ip 1548
1⤵
PID:2472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2440 -ip 2440
1⤵
PID:3580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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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\ECBGIEHDBA.exe

Filesize
106KB

MD5
fe380780b5c35bd6d54541791151c2be

SHA1
7fe3a583cf91474c733f85cebf3c857682e269e1

SHA256
b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

SHA512
ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\u170.0.exe

Filesize
235KB

MD5
5687c66067a03ef81da8ddaee3259510

SHA1
43afa3c8b4087f775ef758635ea61272145f6ce5

SHA256
c6fe3a334fbe6f4df83b6e715d5470deaa7a3ac8c5fb52fac5322116298c469f

SHA512
e9e01181f8086bf0c562900d4d1fe6585e9be267327f43c6bda0397103934028fe653f457b2bdc50ef8f9fe62e761616c7539eadf7f589890f28976f5558e1e3

Download Submit
memory/1548-2-0x0000000000A10000-0x0000000000B10000-memory.dmp

Filesize
1024KB

Download
memory/1548-3-0x00000000024B0000-0x000000000251C000-memory.dmp

Filesize
432KB

Download
memory/1548-13-0x0000000000400000-0x000000000087B000-memory.dmp

Filesize
4.5MB

Download
memory/1548-15-0x0000000000A10000-0x0000000000B10000-memory.dmp

Filesize
1024KB

Download
memory/1548-19-0x0000000000400000-0x000000000087B000-memory.dmp

Filesize
4.5MB

Download
memory/1548-1-0x0000000000400000-0x000000000087B000-memory.dmp

Filesize
4.5MB

Download
memory/2440-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2440-18-0x00000000009D0000-0x00000000009F7000-memory.dmp

Filesize
156KB

Download
memory/2440-17-0x0000000000A50000-0x0000000000B50000-memory.dmp

Filesize
1024KB

Download
memory/2440-16-0x0000000000400000-0x0000000000857000-memory.dmp

Filesize
4.3MB

Download
memory/2440-105-0x0000000000400000-0x0000000000857000-memory.dmp

Filesize
4.3MB

Download
memory/2872-103-0x00000000725D0000-0x0000000072D80000-memory.dmp

Filesize
7.7MB

Download
memory/2872-102-0x0000000000930000-0x0000000000950000-memory.dmp

Filesize
128KB

Download
memory/2872-104-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/2872-108-0x00000000725D0000-0x0000000072D80000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads