stealc | e65f08b6749e63fea544cd201161e63abe6925e0e739faddda2bd4af5af56b97

Analysis

max time kernel
147s
max time network
275s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
11/07/2024, 12:18

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General

Target

softorganizer.exe
Size

5.4MB
MD5

d7a35e65bb9b48b344ee09594ac3193d
SHA1

face507db72044c594b930f0adc1cf6e841a2963
SHA256

e65f08b6749e63fea544cd201161e63abe6925e0e739faddda2bd4af5af56b97
SHA512

7122170e3b7edf14c96d04237e01015f3341182fbf5f8f7bf849d53fc04aee46b07ab7eae9a61e519ad52eff4f9af11e61ca0ade2f1dd784884e6e52f6f07090
SSDEEP

98304:nzDWWQWDUAe4qfKOmBKtFr8yVkLZeulQ:zFQWYAegO1TVtB

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199735694209

https://t.me/puffclou

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Signatures

Detect Vidar Stealer 6 IoCs

stealer

resource	yara_rule
behavioral3/memory/3368-69-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral3/memory/3368-67-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral3/memory/3368-73-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral3/memory/3368-80-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral3/memory/3368-173-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral3/memory/3368-174-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2068	HCGCAAKJDH.exe
4768	DGCFHIDAKE.exe

Loads dropped DLL 2 IoCs

pid	Process
3368	MSBuild.exe
3368	MSBuild.exe

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

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3576 set thread context of 3368	3576	softorganizer.exe	78
PID 2068 set thread context of 4776	2068	HCGCAAKJDH.exe	83
PID 4768 set thread context of 3240	4768	DGCFHIDAKE.exe	88

Checks processor information in registry 2 TTPs 4 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	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3152	timeout.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3368	MSBuild.exe
3368	MSBuild.exe
3368	MSBuild.exe
3368	MSBuild.exe
3368	MSBuild.exe
3368	MSBuild.exe
3368	MSBuild.exe
3368	MSBuild.exe
3240	RegAsm.exe
3240	RegAsm.exe
3240	RegAsm.exe
3240	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3576	softorganizer.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3368	3576	softorganizer.exe	78
PID 3576 wrote to memory of 3368	3576	softorganizer.exe	78
PID 3576 wrote to memory of 3368	3576	softorganizer.exe	78
PID 3576 wrote to memory of 3368	3576	softorganizer.exe	78
PID 3576 wrote to memory of 3368	3576	softorganizer.exe	78
PID 3576 wrote to memory of 3368	3576	softorganizer.exe	78
PID 3576 wrote to memory of 3368	3576	softorganizer.exe	78
PID 3576 wrote to memory of 3368	3576	softorganizer.exe	78
PID 3576 wrote to memory of 3368	3576	softorganizer.exe	78
PID 3368 wrote to memory of 2068	3368	MSBuild.exe	80
PID 3368 wrote to memory of 2068	3368	MSBuild.exe	80
PID 3368 wrote to memory of 2068	3368	MSBuild.exe	80
PID 2068 wrote to memory of 4776	2068	HCGCAAKJDH.exe	83
PID 2068 wrote to memory of 4776	2068	HCGCAAKJDH.exe	83
PID 2068 wrote to memory of 4776	2068	HCGCAAKJDH.exe	83
PID 2068 wrote to memory of 4776	2068	HCGCAAKJDH.exe	83
PID 2068 wrote to memory of 4776	2068	HCGCAAKJDH.exe	83
PID 2068 wrote to memory of 4776	2068	HCGCAAKJDH.exe	83
PID 2068 wrote to memory of 4776	2068	HCGCAAKJDH.exe	83
PID 2068 wrote to memory of 4776	2068	HCGCAAKJDH.exe	83
PID 2068 wrote to memory of 4776	2068	HCGCAAKJDH.exe	83
PID 3368 wrote to memory of 4768	3368	MSBuild.exe	84
PID 3368 wrote to memory of 4768	3368	MSBuild.exe	84
PID 3368 wrote to memory of 4768	3368	MSBuild.exe	84
PID 4768 wrote to memory of 760	4768	DGCFHIDAKE.exe	85
PID 4768 wrote to memory of 760	4768	DGCFHIDAKE.exe	85
PID 4768 wrote to memory of 760	4768	DGCFHIDAKE.exe	85
PID 4768 wrote to memory of 2700	4768	DGCFHIDAKE.exe	86
PID 4768 wrote to memory of 2700	4768	DGCFHIDAKE.exe	86
PID 4768 wrote to memory of 2700	4768	DGCFHIDAKE.exe	86
PID 4768 wrote to memory of 3160	4768	DGCFHIDAKE.exe	87
PID 4768 wrote to memory of 3160	4768	DGCFHIDAKE.exe	87
PID 4768 wrote to memory of 3160	4768	DGCFHIDAKE.exe	87
PID 4768 wrote to memory of 3240	4768	DGCFHIDAKE.exe	88
PID 4768 wrote to memory of 3240	4768	DGCFHIDAKE.exe	88
PID 4768 wrote to memory of 3240	4768	DGCFHIDAKE.exe	88
PID 4768 wrote to memory of 3240	4768	DGCFHIDAKE.exe	88
PID 4768 wrote to memory of 3240	4768	DGCFHIDAKE.exe	88
PID 4768 wrote to memory of 3240	4768	DGCFHIDAKE.exe	88
PID 4768 wrote to memory of 3240	4768	DGCFHIDAKE.exe	88
PID 4768 wrote to memory of 3240	4768	DGCFHIDAKE.exe	88
PID 4768 wrote to memory of 3240	4768	DGCFHIDAKE.exe	88
PID 3368 wrote to memory of 2520	3368	MSBuild.exe	89
PID 3368 wrote to memory of 2520	3368	MSBuild.exe	89
PID 3368 wrote to memory of 2520	3368	MSBuild.exe	89
PID 2520 wrote to memory of 3152	2520	cmd.exe	91
PID 2520 wrote to memory of 3152	2520	cmd.exe	91
PID 2520 wrote to memory of 3152	2520	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\softorganizer.exe
"C:\Users\Admin\AppData\Local\Temp\softorganizer.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3368
- - C:\ProgramData\HCGCAAKJDH.exe
    "C:\ProgramData\HCGCAAKJDH.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2068
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:4776
- - C:\ProgramData\DGCFHIDAKE.exe
    "C:\ProgramData\DGCFHIDAKE.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4768
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:760
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:2700
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:3160
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:3240
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCFBAKKJDBKJ" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2520
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      Delays execution with timeout.exe
      PID:3152

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

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Downloads

C:\ProgramData\DGCFHIDAKE.exe

Filesize
442KB

MD5
0b4cc01ce62da8ed72b98a896c11c1dd

SHA1
eb87a11df4f7a0066389094ee9ba8a4e189794ad

SHA256
6ab0929361ee1a7fdc900bb0f6e50e999183a7c1aef1f44951b7847e86dfd3bc

SHA512
b24fb55140210cc3c8d5f2dec84f36314a93397351a7109701b05dcb47cfbaf437c74fcafb551d8a96e845ea656a5c618b4a229c6acba8c2d0ed3849ccc48b8d

Download Submit
C:\ProgramData\HCGCAAKJDH.exe

Filesize
508KB

MD5
5dcb471423fbb62d7c218760aee4936d

SHA1
7d72a2295639a8702ecdb77cc020b7a9eef48b04

SHA256
837340da10b33b25bca1c15db3b273bfde18110b46949e8c545f31756e7b44bd

SHA512
d8febe1cc91bbacd1b0298eb88d0d25f7789ee962f4d4717cb74ca1d1081ecab78a4062923b31386bcae141900ee99c182836e52bbb4b9f362cd8bdf687dc736

Download Submit
C:\ProgramData\IDAKJKEHDBGH\AAEBAF

Filesize
160KB

MD5
f310cf1ff562ae14449e0167a3e1fe46

SHA1
85c58afa9049467031c6c2b17f5c12ca73bb2788

SHA256
e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

SHA512
1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

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\Microsoft\Windows\INetCache\IE\41XQO3A1\76561199735694209[1].htm

Filesize
34KB

MD5
9cf7bea00610e043acbd0d9203cc74b8

SHA1
2cd9dae3ec095caa8527cd2c2ca7517004387ae3

SHA256
3407ea8c663fc9ffd59b2b40a658c99b5c2eff4dc61fc21a0fe4a8b2077bc6bd

SHA512
266fe90046e910ceb23ae786ed7a9b5c5530b807a3d1fb6470f228f8644b75f7f777108948120d597d072b0778604fb2ff4502addd020d337aa325fdfc874823

Download Submit
memory/3368-67-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3368-174-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3368-173-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3368-80-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3368-73-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3368-69-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3576-32-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-14-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-54-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-50-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-48-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-58-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-72-0x0000000074EA0000-0x0000000075651000-memory.dmp

Filesize
7.7MB

Download
memory/3576-44-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-42-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-40-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-39-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-66-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-36-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-34-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/3576-30-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-28-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-26-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-24-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-20-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-18-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-70-0x0000000074EA0000-0x0000000075651000-memory.dmp

Filesize
7.7MB

Download
memory/3576-12-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-10-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-8-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-56-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-52-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-46-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-22-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-16-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-7-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-60-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-65-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-62-0x0000000005550000-0x0000000005565000-memory.dmp

Filesize
84KB

Download
memory/3576-6-0x0000000005550000-0x000000000556C000-memory.dmp

Filesize
112KB

Download
memory/3576-1-0x0000000000590000-0x0000000000AF4000-memory.dmp

Filesize
5.4MB

Download
memory/3576-5-0x0000000005A30000-0x0000000005B84000-memory.dmp

Filesize
1.3MB

Download
memory/3576-4-0x0000000005820000-0x0000000005A2A000-memory.dmp

Filesize
2.0MB

Download
memory/3576-3-0x0000000074EA0000-0x0000000075651000-memory.dmp

Filesize
7.7MB

Download
memory/3576-2-0x0000000005660000-0x00000000056FC000-memory.dmp

Filesize
624KB

Download
memory/4776-157-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download