stealc | 272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1

General

Target

272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe
Size

286KB
MD5

da84940be266032678f66021f5e028ec
SHA1

ac7ae700a7e1b5e5ab90b0a10f2001a5bfde0db2
SHA256

272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1
SHA512

13987ec104feac64b64f5c1b04b6f4bf45e798d938045a42091e82ff4acf4ce3fd1b557a228896f9cea8b0718ffcb7b5a765ffcf004596bb1746d54a4fe5c51f
SSDEEP

3072:JKTN28++LlAwR+npdKg5rJya0nm6sTkIaIGUJgIs9XOwdA:40tWa5VgvIaUJ3s9X7

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
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:

272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exeHJKKFIJKFC.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	HJKKFIJKFC.exe

Executes dropped EXE 1 IoCs

Processes:

HJKKFIJKFC.exe

pid process

4948 HJKKFIJKFC.exe

pid	process
4948	HJKKFIJKFC.exe

Loads dropped DLL 2 IoCs

Processes:

272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe

pid	process
3752	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe
3752	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.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

2724 3752 WerFault.exe 272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe

pid	pid_target	process	target process
2724	3752	WerFault.exe	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.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:

272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4340 PING.EXE

pid	process
4340	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe

pid	process
3752	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe
3752	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe
3752	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe
3752	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.execmd.exeHJKKFIJKFC.execmd.exe

description	pid	process	target process
PID 3752 wrote to memory of 3384	3752	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe	cmd.exe
PID 3752 wrote to memory of 3384	3752	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe	cmd.exe
PID 3752 wrote to memory of 3384	3752	272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe	cmd.exe
PID 3384 wrote to memory of 4948	3384	cmd.exe	HJKKFIJKFC.exe
PID 3384 wrote to memory of 4948	3384	cmd.exe	HJKKFIJKFC.exe
PID 3384 wrote to memory of 4948	3384	cmd.exe	HJKKFIJKFC.exe
PID 4948 wrote to memory of 4484	4948	HJKKFIJKFC.exe	cmd.exe
PID 4948 wrote to memory of 4484	4948	HJKKFIJKFC.exe	cmd.exe
PID 4948 wrote to memory of 4484	4948	HJKKFIJKFC.exe	cmd.exe
PID 4484 wrote to memory of 4340	4484	cmd.exe	PING.EXE
PID 4484 wrote to memory of 4340	4484	cmd.exe	PING.EXE
PID 4484 wrote to memory of 4340	4484	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe
"C:\Users\Admin\AppData\Local\Temp\272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3752

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HJKKFIJKFC.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3384

C:\Users\Admin\AppData\Local\Temp\HJKKFIJKFC.exe
"C:\Users\Admin\AppData\Local\Temp\HJKKFIJKFC.exe"
3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4948

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\HJKKFIJKFC.exe
4⤵
- Suspicious use of WriteProcessMemory
PID:4484

C:\Windows\SysWOW64\PING.EXE
ping 2.2.2.2 -n 1 -w 3000
5⤵
- Runs ping.exe
PID:4340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 2444
2⤵
- Program crash
PID:2724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3752 -ip 3752
1⤵
PID:2080

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
388KB

MD5
6d59530e0dd85e5b9ad42dcd7eb95ffc

SHA1
d28efb2caaa56977da9e4aa53072b0f1b37e2505

SHA256
13d654beb6998f574ab37d376a29b183384a3e039a1b5fb560e2b7f04945f92e

SHA512
eb5dbe5961ed93f36cb58af5bf0f60a5064a7498fde1bff33f6c2f857ff7e2647b563351aa547122bf0b18fccfa7358c86de55023475c4ae73180505fbfd2991

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

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
1.1MB

MD5
8a78157e59dbe3153bc4a49b22c75013

SHA1
0ac3ea2a8001648f7e07bf499ae3e3885da6c0ae

SHA256
a8f68e83eece64f3f0bd55e6e2a967fca72e66648d2c6a59dbbb76ed08f7e7db

SHA512
a64ed84fd1430ca7b8639f2d83a8ce724ecbf3b047ba5d4562a8fa9e0be0756942882def4f4a4109c2a30c81f91c91511eb739361222a7257636169a635b616a

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

MD5
fe380780b5c35bd6d54541791151c2be

SHA1
7fe3a583cf91474c733f85cebf3c857682e269e1

SHA256
b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

SHA512
ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

Download Submit
memory/3752-52-0x0000000000400000-0x0000000000AF1000-memory.dmp

Filesize
6.9MB

Download
memory/3752-1-0x0000000000D90000-0x0000000000E90000-memory.dmp

Filesize
1024KB

Download
memory/3752-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3752-3-0x0000000000400000-0x0000000000AF1000-memory.dmp

Filesize
6.9MB

Download
memory/3752-2-0x0000000000CB0000-0x0000000000CD7000-memory.dmp

Filesize
156KB

Download
memory/3752-89-0x0000000000D90000-0x0000000000E90000-memory.dmp

Filesize
1024KB

Download
memory/3752-92-0x0000000000400000-0x0000000000AF1000-memory.dmp

Filesize
6.9MB

Download
memory/4948-87-0x0000000000BD0000-0x0000000000BF0000-memory.dmp

Filesize
128KB

Download
memory/4948-88-0x0000000072BD0000-0x0000000073380000-memory.dmp

Filesize
7.7MB

Download
memory/4948-90-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/4948-94-0x0000000072BD0000-0x0000000073380000-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