stealc | 0a44244f435457680e7026b969db56ea09a8748e6dbfe0b51bc184045798810f

Analysis

max time kernel
142s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 00:58

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General

Target

MW3_Unlocker.exe
Size

4.9MB
MD5

d6490e5a89108caecb7717db256e9b78
SHA1

7e734eb9626ae2cf21383fb718e54006f34e5a10
SHA256

0a44244f435457680e7026b969db56ea09a8748e6dbfe0b51bc184045798810f
SHA512

c050c69e2a4f40d97ff732c43ef960ce687c8289acdba4eb676c499d95e2f207376e54413d74af39e4b9d615cf89ff7703f33580f553a06e04ad419408e2e0ef
SSDEEP

98304:FkB3z2lHQTUC9IyzD09xXSp+8RikRGAGO9dku6Rp1JEy:DJEUC9Iy/EdSseiTA79dL8E

Score

10^/10

stealc game credential_access discovery evasion persistence spyware stealer themida trojan

Malware Config

Extracted

Family

stealc

Botnet

game

http://193.233.112.44

Attributes

url_path
/383ccd496f3c5eee.php

Signatures

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	VC_redistx64.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	VC_redistx64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	VC_redistx64.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	MW3_Unlocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	VC_redistx64.exe

Executes dropped EXE 3 IoCs

pid	Process
3192	gWsmPty.exe
2416	VC_redistx64.exe
3088	MW3_Unlocker.exe

Loads dropped DLL 2 IoCs

pid	Process
3192	gWsmPty.exe
3192	gWsmPty.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 3 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

Credentials from Web Browsers
T1555.003

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x0008000000023cb0-19.dat	themida
behavioral2/memory/2416-35-0x0000000000400000-0x0000000000B78000-memory.dmp	themida
behavioral2/memory/2416-45-0x0000000000400000-0x0000000000B78000-memory.dmp	themida
behavioral2/memory/2416-44-0x0000000000400000-0x0000000000B78000-memory.dmp	themida
behavioral2/memory/2416-131-0x0000000000400000-0x0000000000B78000-memory.dmp	themida

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\My Program = "C:\\Users\\Admin\\AppData\\Roaming\\MyHiddenFolder\\VC_redistx64.exe"	VC_redistx64.exe

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	VC_redistx64.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2416	VC_redistx64.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	gWsmPty.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VC_redistx64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MW3_Unlocker.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

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

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2416	VC_redistx64.exe
2416	VC_redistx64.exe
3088	MW3_Unlocker.exe
3192	gWsmPty.exe
3192	gWsmPty.exe
3192	gWsmPty.exe
3192	gWsmPty.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3088	MW3_Unlocker.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 3192	3128	MW3_Unlocker.exe	86
PID 3128 wrote to memory of 3192	3128	MW3_Unlocker.exe	86
PID 3128 wrote to memory of 3192	3128	MW3_Unlocker.exe	86
PID 3128 wrote to memory of 2416	3128	MW3_Unlocker.exe	87
PID 3128 wrote to memory of 2416	3128	MW3_Unlocker.exe	87
PID 3128 wrote to memory of 2416	3128	MW3_Unlocker.exe	87
PID 3128 wrote to memory of 3088	3128	MW3_Unlocker.exe	88
PID 3128 wrote to memory of 3088	3128	MW3_Unlocker.exe	88
PID 3128 wrote to memory of 3088	3128	MW3_Unlocker.exe	88

C:\Users\Admin\AppData\Local\Temp\MW3_Unlocker.exe
"C:\Users\Admin\AppData\Local\Temp\MW3_Unlocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3128
- C:\Users\Admin\AppData\Roaming\gWsmPty.exe
  "C:\Users\Admin\AppData\Roaming\gWsmPty.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:3192
- C:\Users\Admin\AppData\Roaming\VC_redistx64.exe
  "C:\Users\Admin\AppData\Roaming\VC_redistx64.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2416
- C:\Users\Admin\AppData\Roaming\MW3_Unlocker.exe
  "C:\Users\Admin\AppData\Roaming\MW3_Unlocker.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

Filesize
2KB

MD5
4984d14b0c8fd3195959c7eabe35d883

SHA1
cf5852b73659103e418b1e5e0ca898aa1606b0eb

SHA256
a1d43485175ecd4770d80509fa2101565d88dce1f459d170bc141c8fcfa7f96a

SHA512
2f1dc2d471e9ba5f9cdd1515cbb8b156c57cc7ecc700ad3d275c20b9f279a6f5b5976b6cacfd95640279193d8e3a2801d6aea4fd32db55c4f45d6fd81fcb0657

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

Filesize
1KB

MD5
ede63194b54a4f2d8143fc1c742a2b0f

SHA1
09bc993f8641ce7d1111e84d6b8b38eb67c73a27

SHA256
d9c63dd8dbb996f7bbe85c9f1b73ec71b6f7355d76e3384d00a301ecead6b2bc

SHA512
95b1c48548d68ba227ee7eb65ddd9c55d16cadeebc3ff8cee903cd118cb3ea6af4cbc3a62583f2e766d2113d0780789d9c9e5ba821d15b8126c2ee716ed3d202

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

Filesize
450B

MD5
ab804ecb853b581f177d6ee776c61221

SHA1
3a59e449e0f07a889cc4f2d9b2fdf3354a6762ba

SHA256
0063e672b8caa1faadabc992c755c8554283882f13c75b56133b8b5e46eae501

SHA512
de04d3a0a7b8c3ffc3a0b6daec6d0924fa4da0401a415700918c4178d740618ae603cfe843c9d6e35015f5b678c166a9fdba58f77f2d8bc4ba1c0d5a4c101393

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

Filesize
458B

MD5
58b02a17bec2d929c6e98ea35a4e6219

SHA1
15eaa749d186aa2ae6d58d3064c6a20ad588dada

SHA256
6cae33fc730cbc77fe23ef5a675f1edf43d6104b913550f4d05042fe92f12606

SHA512
ea3123a7226390e4bdb10fd548b5964f4e89a7cae18c035ba0f918dccbda8ebe1d0dfb6a11a84221300133d488f9a3d1495e137e1d91b0abf666cd1b09213f0a

Download Submit
C:\Users\Admin\AppData\Roaming\MW3_Unlocker.exe

Filesize
1.5MB

MD5
d5020cbdffd3291c60f57738c4ef209f

SHA1
7b6d3237a671f63e4b2355de88f9e713b5789d5d

SHA256
35050d783ce83a7ddcb17cdb19ffb9fed0712adeee748a0c1225be630d7deba3

SHA512
ece513607a7f0439888e82955a2ef8d784abdb33a5b75295b8f857d5ea4b00b4ff67ae4ccab7d457c1c2d6e8475884172bbc7f0080e555f41d1acddd15abbe54

Download Submit
C:\Users\Admin\AppData\Roaming\VC_redistx64.exe

Filesize
2.9MB

MD5
507acc8f3249adef7468989fee931211

SHA1
4d66286973a21e76b0e2c746bac00fa28d446ca9

SHA256
6abb77dce6d4af42005e673cb089b6d41e0ef0b88a6411f4d5dfd8e8b4858154

SHA512
2faee963523b401bf1e588c86bfeef899067456f22848d299525acde5d2ce28a66f769d741deea2e6b218b4e1b0c0f7f4cc08cfc1c2fd8eac5375b3c183b7ee3

Download Submit
C:\Users\Admin\AppData\Roaming\gWsmPty.exe

Filesize
322KB

MD5
c57f035e099bfe7f8d56917a22266dc9

SHA1
88a4ab3cef2b3d293b6d94b8d5b38298d1ec6d87

SHA256
d075bbba29912ff7a321ee5dcb32159b9de8e27e716a1aad9ed52bb9d9ccc4a3

SHA512
836f345be084eeaef97144faa845a697f3c40a5f643088ee355d71cbedac23506c4d53267220bfa467872e850faebbc5a3919fbeb5628534619d39fbcbf1e1e4

Download Submit
memory/2416-45-0x0000000000400000-0x0000000000B78000-memory.dmp

Filesize
7.5MB

Download
memory/2416-35-0x0000000000400000-0x0000000000B78000-memory.dmp

Filesize
7.5MB

Download
memory/2416-131-0x0000000000400000-0x0000000000B78000-memory.dmp

Filesize
7.5MB

Download
memory/2416-44-0x0000000000400000-0x0000000000B78000-memory.dmp

Filesize
7.5MB

Download
memory/3088-39-0x0000000005120000-0x00000000051BC000-memory.dmp

Filesize
624KB

Download
memory/3088-36-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/3088-40-0x0000000005770000-0x0000000005D14000-memory.dmp

Filesize
5.6MB

Download
memory/3088-41-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/3088-42-0x00000000051D0000-0x00000000051DA000-memory.dmp

Filesize
40KB

Download
memory/3088-43-0x0000000005300000-0x0000000005356000-memory.dmp

Filesize
344KB

Download
memory/3088-38-0x0000000000700000-0x000000000087C000-memory.dmp

Filesize
1.5MB

Download
memory/3088-144-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/3128-3-0x00007FF8CF800000-0x00007FF8D02C1000-memory.dmp

Filesize
10.8MB

Download
memory/3128-5-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3128-4-0x000000001B800000-0x000000001BCC2000-memory.dmp

Filesize
4.8MB

Download
memory/3128-0-0x00007FF8CF803000-0x00007FF8CF805000-memory.dmp

Filesize
8KB

Download
memory/3128-2-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

Filesize
24KB

Download
memory/3128-1-0x0000000000360000-0x000000000083E000-memory.dmp

Filesize
4.9MB

Download
memory/3128-37-0x00007FF8CF800000-0x00007FF8D02C1000-memory.dmp

Filesize
10.8MB

Download
memory/3192-14-0x0000000000F90000-0x00000000011F3000-memory.dmp

Filesize
2.4MB

Download
memory/3192-66-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3192-170-0x0000000000F90000-0x00000000011F3000-memory.dmp

Filesize
2.4MB

Download