stealc | 59f20114929a66a4c6243ae9d416192f0b7a584c6d3a07253e0cc69776b4de46

Analysis

max time kernel
147s
max time network
106s
platform
windows11-21h2_x64
resource
win11-20240704-en
resource tags

arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
submitted
07-07-2024 04:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Setup.exe
Size

663.4MB
MD5

70a9e51d9777a02427404e4dc2325f0f
SHA1

b340348b78dcbbdc49dc9206f68aa3950723b964
SHA256

f9f5fe8a6d4ef35fdacc5623b1dc689be3ea89c61efdf68e0ddf449916396f05
SHA512

65888e9a446880cd8911ed56047392c00735fe484530962e8d1b70256b082c9eff822b4db0c84db689e5f11331b56acfa62d86b0a496f8b6b744380853b86ebe
SSDEEP

196608:Xpcugy7TlXNdj+P64+SPrW7hOOo4j704ehNVhV98x+L5rCZhwNNwL84XiOHWgE:Xpcu7k6BkOxU4o

Score

10^/10

stealc puaro spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

Puaro

https://9507c272a51ce8cefc8761591b2c50e6.fit

Attributes

url_path
/2fca4d4264af2833.php

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4340	AKEGDHJDHD.exe

Loads dropped DLL 2 IoCs

pid	Process
4696	SearchIndexer.exe
4696	SearchIndexer.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1224 set thread context of 4324	1224	Setup.exe	81
PID 4340 set thread context of 424	4340	AKEGDHJDHD.exe	87

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\L-Connect Service.job	cmd.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	SearchIndexer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SearchIndexer.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1224	Setup.exe
1224	Setup.exe
4324	comp.exe
4324	comp.exe
4696	SearchIndexer.exe
4696	SearchIndexer.exe
4696	SearchIndexer.exe
4696	SearchIndexer.exe
4340	AKEGDHJDHD.exe
4340	AKEGDHJDHD.exe
424	cmd.exe
424	cmd.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
1224	Setup.exe
4324	comp.exe
4340	AKEGDHJDHD.exe
424	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 4324	1224	Setup.exe	81
PID 1224 wrote to memory of 4324	1224	Setup.exe	81
PID 1224 wrote to memory of 4324	1224	Setup.exe	81
PID 1224 wrote to memory of 4324	1224	Setup.exe	81
PID 4324 wrote to memory of 4696	4324	comp.exe	83
PID 4324 wrote to memory of 4696	4324	comp.exe	83
PID 4324 wrote to memory of 4696	4324	comp.exe	83
PID 4324 wrote to memory of 4696	4324	comp.exe	83
PID 4696 wrote to memory of 4260	4696	SearchIndexer.exe	84
PID 4696 wrote to memory of 4260	4696	SearchIndexer.exe	84
PID 4696 wrote to memory of 4260	4696	SearchIndexer.exe	84
PID 4260 wrote to memory of 4340	4260	cmd.exe	86
PID 4260 wrote to memory of 4340	4260	cmd.exe	86
PID 4260 wrote to memory of 4340	4260	cmd.exe	86
PID 4340 wrote to memory of 424	4340	AKEGDHJDHD.exe	87
PID 4340 wrote to memory of 424	4340	AKEGDHJDHD.exe	87
PID 4340 wrote to memory of 424	4340	AKEGDHJDHD.exe	87
PID 4340 wrote to memory of 424	4340	AKEGDHJDHD.exe	87
PID 424 wrote to memory of 848	424	cmd.exe	90
PID 424 wrote to memory of 848	424	cmd.exe	90
PID 424 wrote to memory of 848	424	cmd.exe	90
PID 424 wrote to memory of 848	424	cmd.exe	90
PID 424 wrote to memory of 848	424	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\SysWOW64\comp.exe
  C:\Windows\SysWOW64\comp.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4324
- - C:\Windows\SysWOW64\SearchIndexer.exe
    C:\Windows\SysWOW64\SearchIndexer.exe
    3⤵
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4696
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AKEGDHJDHD.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4260
    - - C:\Users\Admin\AppData\Local\Temp\AKEGDHJDHD.exe
        
        "C:\Users\Admin\AppData\Local\Temp\AKEGDHJDHD.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:4340
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\SysWOW64\cmd.exe
        6⤵
        Drops file in Windows directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:424
        
        C:\Windows\SysWOW64\explorer.exe
        
        C:\Windows\SysWOW64\explorer.exe
        7⤵
        
        PID:848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\CompareEnable.docx

Filesize
16KB

MD5
9195da30954399a16ce143bf1e7e9b1a

SHA1
a125e36215587818c08051f9b12a897a94b5a1ad

SHA256
4ca3050c1c76361673f6cd0c323a5ca9dfeb0898517992a9a770fd48396d1404

SHA512
bfb49f74611822837d461df27a67a3f78920eb70e29a414afece28e67df8cceafde100d4984aac15463941806050cd800b8bab3073f7432ada60c3a53ab1af95

Download Submit
C:\ProgramData\UnblockSelect.docx

Filesize
17KB

MD5
e202ce0fa0edd8e667f6726c6b611f95

SHA1
60f0062706332a86a1de45020afa80b38e882d21

SHA256
7f00c4312b9c5f7aef5f0ba438502416c820b319ddd7c89042180583f5d72782

SHA512
fa9d9ab6a98141e7089a6754940da80b3fff3fd160612ac7b7c86c942f8b31ed255cc35241c38f18b2ae2137fe33500d4a6bd63dd84fb0fbe5d948b80966c75a

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\2d5b7930

Filesize
1.1MB

MD5
82e99a942be9e87d87605f37c5d844d2

SHA1
b3b99274d676558c3c4f5b6b45e3f871a908b07e

SHA256
3386e4e5d2af739636f374f2f2a18d07f5a3c33eab9eacd664b6ae5a8096e468

SHA512
9eeab9a65bae7145868b2d28be8538f7eba57b4167add8c4568a855d9c26d09667ea1436a74d300f146cbd4cd096539e29c98be121da4a4f72907561b2b32e29

Download Submit
C:\Users\Admin\AppData\Local\Temp\2e959c5d

Filesize
1.1MB

MD5
01d0e83ee9604e2e1676f54731b767cd

SHA1
1a5180e9b232130f3ea258956a541725bfc35436

SHA256
e8dd612abcdbefb04d8eab4dbfadbaf220b55e1db697bec75586774108b341d1

SHA512
5fecbb137122ef009b17fcebfcdb2f9ffee13ddba34f53c83b363aefdb2b01d5904c2ec3c22f8a47e66ec26284425194cd27616a83a3cfc507491885423bdef0

Download Submit
C:\Users\Admin\AppData\Local\Temp\40398c09

Filesize
876KB

MD5
97a3924f38b6fe507dbcce5621dddd82

SHA1
ae07c5939a1135b359f9816651b0372f5d774df4

SHA256
366b99bf15bff92a31b7c2fdd8d2f27bab9c08eb1cd6f7c2dd6923b63912179c

SHA512
3c3e479fca7f16b984e72c4ad97fe6f541c386048f07bb88b43dda06e037eb98b7376a7fd3682d3522f396e27e6135488f2156f669448128edc2f8ec9075d270

Download Submit
C:\Users\Admin\AppData\Local\Temp\423f7955

Filesize
869KB

MD5
19a2ce2055cb97eeb47c5cfbed8fe459

SHA1
61ba4f472a3526e1e49744f407f799a767e84eb8

SHA256
ccb287cee8671a2549f8eb51672ee4038c01c2ea7e51f4188ea9f874d3013f95

SHA512
9c1dc6e265f0cc3f7519049337bd9374ec8065492cce4cf55b05337c39b7d0ec3e84733fb8261d6036602b5a6c9f623c006359ec6733d12ae8b2a47fb8171224

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

Filesize
4.2MB

MD5
01b77cf729fa55834d4ea8be3602255f

SHA1
2371f13477843b45b3f12d058432b283ce264733

SHA256
76bb3021ce006df3ecf9740b1eb164bd1036472ae68fe262767d0025b94ecede

SHA512
5d85ef4e23d1de2e4b3a2a622e7062bc0356b1c7a89be8979d239fc3d04814434d992cac5788299a5e3b25ae9e0d41ca5662d9897d39524da75782d3380962d7

Download Submit
memory/424-157-0x00000000741F0000-0x0000000074205000-memory.dmp

Filesize
84KB

Download
memory/424-151-0x00007FFDC0D80000-0x00007FFDC0F89000-memory.dmp

Filesize
2.0MB

Download
memory/424-152-0x00000000741F0000-0x0000000074205000-memory.dmp

Filesize
84KB

Download
memory/848-163-0x00007FFDC0D80000-0x00007FFDC0F89000-memory.dmp

Filesize
2.0MB

Download
memory/848-161-0x0000000000450000-0x00000000004B8000-memory.dmp

Filesize
416KB

Download
memory/848-164-0x0000000000450000-0x00000000004B8000-memory.dmp

Filesize
416KB

Download
memory/1224-0-0x0000000000500000-0x0000000001179000-memory.dmp

Filesize
12.5MB

Download
memory/1224-10-0x00000000741F0000-0x0000000074205000-memory.dmp

Filesize
84KB

Download
memory/1224-8-0x0000000074202000-0x0000000074204000-memory.dmp

Filesize
8KB

Download
memory/1224-9-0x00000000741F0000-0x0000000074205000-memory.dmp

Filesize
84KB

Download
memory/1224-7-0x00007FFDC0D80000-0x00007FFDC0F89000-memory.dmp

Filesize
2.0MB

Download
memory/1224-6-0x00000000741F0000-0x0000000074205000-memory.dmp

Filesize
84KB

Download
memory/4324-15-0x00007FFDC0D80000-0x00007FFDC0F89000-memory.dmp

Filesize
2.0MB

Download
memory/4324-13-0x00000000741F0000-0x0000000074205000-memory.dmp

Filesize
84KB

Download
memory/4324-16-0x00000000741F0000-0x0000000074205000-memory.dmp

Filesize
84KB

Download
memory/4324-17-0x00000000741F0000-0x0000000074205000-memory.dmp

Filesize
84KB

Download
memory/4324-19-0x00000000741F0000-0x0000000074205000-memory.dmp

Filesize
84KB

Download
memory/4340-145-0x00007FFDC0D80000-0x00007FFDC0F89000-memory.dmp

Filesize
2.0MB

Download
memory/4340-138-0x0000000000760000-0x0000000000B9C000-memory.dmp

Filesize
4.2MB

Download
memory/4696-24-0x00000000005BB000-0x00000000005C2000-memory.dmp

Filesize
28KB

Download
memory/4696-22-0x0000000000120000-0x000000000035D000-memory.dmp

Filesize
2.2MB

Download
memory/4696-21-0x00007FFDC0D80000-0x00007FFDC0F89000-memory.dmp

Filesize
2.0MB

Download
memory/4696-20-0x0000000000120000-0x000000000035D000-memory.dmp

Filesize
2.2MB

Download
memory/4696-25-0x0000000000590000-0x000000000063E000-memory.dmp

Filesize
696KB

Download
memory/4696-35-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4696-134-0x0000000000120000-0x000000000035D000-memory.dmp

Filesize
2.2MB

Download
memory/4696-130-0x0000000000120000-0x000000000035D000-memory.dmp

Filesize
2.2MB

Download