511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 22:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe
Size

3.9MB
MD5

034f9971c7cbc5676ec4f3dfb05a6d01
SHA1

a99ddf50dc838eafded0de79566ae76cc509e9d4
SHA256

511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799
SHA512

36b9a9ee34ae31c7561936d5a96206a69886fafe113bfff90091d7d49f3ba4cbf3ae958e8385b76006b0051a3526e67699bc611bc16fcbbf6d64d068677ae6df
SSDEEP

49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBBB/bSqz8:sxX7QnxrloE5dpUpGbVz8

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevopti.exe	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe

Executes dropped EXE 2 IoCs

pid	Process
1740	sysdevopti.exe
2896	devdobloc.exe

Loads dropped DLL 2 IoCs

pid	Process
2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe
2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Parametr = "C:\\FilesXR\\devdobloc.exe"	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Parametr = "C:\\GalaxSJ\\optidevsys.exe"	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe
2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe
1740	sysdevopti.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe
2896	devdobloc.exe
1740	sysdevopti.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 1740	2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe	28
PID 2696 wrote to memory of 1740	2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe	28
PID 2696 wrote to memory of 1740	2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe	28
PID 2696 wrote to memory of 1740	2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe	28
PID 2696 wrote to memory of 2896	2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe	29
PID 2696 wrote to memory of 2896	2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe	29
PID 2696 wrote to memory of 2896	2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe	29
PID 2696 wrote to memory of 2896	2696	511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe	29

C:\Users\Admin\AppData\Local\Temp\511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe
"C:\Users\Admin\AppData\Local\Temp\511bc50788beade99e3c39824de61a43b4335dd209f5cbda96d6f52f2212e799.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevopti.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevopti.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:1740
- C:\FilesXR\devdobloc.exe
  C:\FilesXR\devdobloc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2896

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

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\FilesXR\devdobloc.exe

Filesize
3.9MB

MD5
f7bb86862c2a4e2c6f00487c1de4ed1c

SHA1
5fa2da86785eebf4227179f1dcc9b25f3a5f117a

SHA256
21c3c0de31708bcb01ae2b8009f1423405e93e69aad6f677db8bfb820d99b6cb

SHA512
281e2d8df58dcd57cafba4e48bd607c97741a341574c0848723d698c7a1a7f7d68e1cfdd197577762010ecf69ee60b2d05493199dc93a599adbbbef2a3cd1fcb

Download Submit
C:\GalaxSJ\optidevsys.exe

Filesize
3.9MB

MD5
7882a5c704186ab9068b6c3697a2bf94

SHA1
0b8c2363ed21de25856b04af3057271abc5779ee

SHA256
8795b211566f24f9572f504f63e7fb07709eabfd6a6a7e5ef9e8733b2ed99811

SHA512
b31410e13d0544a509373ca6731232c5852a7d85c4ce4ba6bea49854a33b64a180ff46d7f6f0f8730462ffb5d1483325ca8214ed82c75a27ce25dd3434687092

Download Submit
C:\GalaxSJ\optidevsys.exe

Filesize
3.9MB

MD5
4d1d3c7415a54bcb2c00f199ff8e601a

SHA1
1c56cdf11d7db0c97659b7db48d2a9c397432168

SHA256
74cb799436d018f830c1e9cd6d9a2964846dc68a06fe65a959d160d529a65bdb

SHA512
d9fa2d4e0a78ba8032d3e08c010f89ab8f436e35a38de3af609aba6d5a29be0b3011b47c02da339de2aaed11c7e5f40c94319e87fffe690f3d5ae1767bf36ce3

Download Submit
C:\Users\Admin\253086396416_6.1_Admin.ini

Filesize
177B

MD5
bf6655ec9ad54d76198e56e8c97d5088

SHA1
50f80625765a65f45e9b90b136218bbddc794571

SHA256
a60b3326a812fdbf829bd11cd4e4c99de3fa28081244b492aee939d33bd194cc

SHA512
3608169a2ff14da424af4dab8f58a184e9f8c7757a196e08dc80ddfc79388d32b7827f6824ef09f66bf214ca14bce3f99079f929da979a7434fb58be5860cc0e

Download Submit
C:\Users\Admin\253086396416_6.1_Admin.ini

Filesize
209B

MD5
156c7ea6bb25a49ef56f260f7dd02da8

SHA1
14e9eb7f349c8742c0055dd721c8a1d5f29a2347

SHA256
4700a2a7281b624352130f9ffd36fa36a7817f225dc21dc624007f1cc476f1ac

SHA512
956f3f1a43e5aa2a483d97c35691032397fca416dc22eec1a5b439e6c83dbadc369e39842b3c8f19704c47fb8269db9f4586f31cb0025b80beadc3c3d7499fda

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevopti.exe

Filesize
3.9MB

MD5
afbdfdced99295558996b549b563a4e0

SHA1
feede770295b06728061b61818de431a78171630

SHA256
22641ff3ed41ec8b58fd088fb19e934ab3b7735770dd8f700af62133050f7ef6

SHA512
199661cc87887a731706b8e13abe5d01597878230c41a489f1ad87787bacc5bf6d70b8c994cda7d35902268d948edc1b19491c4d0653e7752c91a1264dc85008

Download Submit