83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 19:29

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General

Target

83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe
Size

2.6MB
MD5

a5d4a8bde0f1c82bdc3eb9b10dbd2145
SHA1

43c91b1b5120b064440ea82e24fb645d82f78276
SHA256

83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0
SHA512

a18db9e07bf4f88d7551fdfe3b6b3c6e7470ceaf41d7e31b7e72076dbdadb23498980b25be481a4832efcd18d68c7a427d825fdf4ed31bffd2f443211a612fdb
SSDEEP

49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBvB/bSi:sxX7QnxrloE5dpUpIbl

Score

7^/10

discovery 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\locadob.exe	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe

Executes dropped EXE 2 IoCs

pid	Process
1120	locadob.exe
1428	xoptiloc.exe

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

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Parametr = "C:\\FilesNL\\xoptiloc.exe"	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Parametr = "C:\\VidU6\\dobxec.exe"	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe

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	locadob.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xoptiloc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe
1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe
1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe
1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe
1120	locadob.exe
1120	locadob.exe
1428	xoptiloc.exe
1428	xoptiloc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 1120	1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe	87
PID 1076 wrote to memory of 1120	1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe	87
PID 1076 wrote to memory of 1120	1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe	87
PID 1076 wrote to memory of 1428	1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe	90
PID 1076 wrote to memory of 1428	1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe	90
PID 1076 wrote to memory of 1428	1076	83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe	90

C:\Users\Admin\AppData\Local\Temp\83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe
"C:\Users\Admin\AppData\Local\Temp\83fb7c417e544ceb18fcabe8d7a7f3e5558628f8f9151d07fd8b3371e04189c0.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locadob.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locadob.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1120
- C:\FilesNL\xoptiloc.exe
  C:\FilesNL\xoptiloc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1428

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\FilesNL\xoptiloc.exe

Filesize
455KB

MD5
f420d92f829bd3a1a92d4f0361a597bd

SHA1
8e41451beb4f579a8ac1253f1b36c05b5cf43cfe

SHA256
213ac42267330a06c89fd3635fac8b7bf1f7fe27de009bf426458d661afddce9

SHA512
b726cd061128f5e4102a91121e484d90b65dafad066c5b5d00364243fcb2bafa0cb91931418472ccb6bc361df8e7f32c2cd37630b41198606a636f11938e0dc3

Download Submit
C:\FilesNL\xoptiloc.exe

Filesize
2.6MB

MD5
71eef4796e71c6bc8b30a46c36a03edd

SHA1
a1430c86e154531b38741cd658a93d353f853677

SHA256
f600f8b24f4ac5a30670b3ba3ab2a9e615405bfbe37da45b2571bb3a177526aa

SHA512
3be74c2e8024b2cc81aa9166c71af26f3a5187f87e0788538dcb12c90347d71c09eae862a533b5afe31886309725ac0f64b22d44263d8e4a195758fe160747cd

Download Submit
C:\Users\Admin\253086396416_10.0_Admin.ini

Filesize
199B

MD5
8d450c5278e69370596539fbb52f1d92

SHA1
efadf7292de97b659a3a2c25cea75b8a79ab7600

SHA256
03c9228c5d513f561a9147a638fd9c792739a1db1c609955add33d60a3b2ce33

SHA512
1474e2bef270af34e1afab5b7f5611bc32f19a8e422b6498afa8f7cb844233a0e33ab1522500012a34a543ecdb8f2313d9292b65349e50f2e5d7391d54f32f81

Download Submit
C:\Users\Admin\253086396416_10.0_Admin.ini

Filesize
167B

MD5
c74fb3a991fd102e060e77e577dc81e9

SHA1
6335d37e0a29a829857e5e8d1dab86af2a8fb84f

SHA256
4c88590da3c9e1b5ce7565a36cac4d84733b4818eaeeb4d4bc304549370c00d1

SHA512
b776cec75889ec198fc2d020610e4733a2e02a61050f7265a7f78ad2023f7f304175e9996db6b504612acc096832cf0cc20a2ee2f76edd039b0bdff98f4a23b8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locadob.exe

Filesize
2.6MB

MD5
49dc40268f1bca2475096133a950d775

SHA1
ae697e3e06d469a319ff22700c8280c57e9808ee

SHA256
8ae9034d0458c9ec779ecd57cde1578976c2c622bde28e674fe7a0a285c0537e

SHA512
fe069731600ce86301d8c708688d7ba3f268c784d483003ca36c0bb11a722afb7e5b412535f2694ebe61f1e696f73c076e2ecd82b7cf49399724f7e216c16833

Download Submit
C:\VidU6\dobxec.exe

Filesize
1.1MB

MD5
d93844d9c5c6829c9a4f88eb8706a042

SHA1
dcb7b8ad585124d360b139a0e9d1f35a011da4e7

SHA256
e2a7d665563f2d81e7efa0af6e185c2f23ef1994a9170fbd9604e349603a7e0a

SHA512
f5b5e401561e584ddc0c03969ee48b70e82671f9404f33fe697c384e68b6fdf0a477354e2cf58359db45adee535db75200923441f3d023ae1445abf0d6f737a7

Download Submit
C:\VidU6\dobxec.exe

Filesize
2.6MB

MD5
900f80b09b474602df3b42a399d71c3e

SHA1
cd35490a10f043d7185ed55833b73e1b0f1ba0d5

SHA256
943d2797c805d03b6d0ba3146d774c49846628960b454b04e5e03000d526ebde

SHA512
c7e86ca717f9265b013f2329dab59a6c291ba8c4c628861c02dcd22b9d82b10ac31595f093e75f008d8b3e6137e8856a7ce79aa53589300ef4258019bad4e3ab

Download Submit