053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10

Analysis

max time kernel
149s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 15:17

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General

Target

053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe
Size

2.6MB
MD5

2026a56badeb1ecdfc97416d4e265970
SHA1

05c80964fe8fa47592294f361f32e3a3edbaf8cb
SHA256

053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10
SHA512

8625165641fcd3b267deaf218275cb5bbc436a089feabb068cf72fb1dae7fb7be8ad12f208e24dc597eccf328ec166fc65f5a6a9c5830f1fdd3d7a758f7307b9
SSDEEP

49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBdB/bS:sxX7QnxrloE5dpUpyb

Score

9^/10

credential_access discovery persistence spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe

Executes dropped EXE 2 IoCs

pid	Process
2336	sysdevdob.exe
2920	xoptiloc.exe

Loads dropped DLL 2 IoCs

pid	Process
2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe
2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Parametr = "C:\\FilesKR\\xoptiloc.exe"	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Parametr = "C:\\VidVC\\optialoc.exe"	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.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	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysdevdob.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xoptiloc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe
2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe
2336	sysdevdob.exe
2920	xoptiloc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2336	2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe	30
PID 2136 wrote to memory of 2336	2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe	30
PID 2136 wrote to memory of 2336	2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe	30
PID 2136 wrote to memory of 2336	2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe	30
PID 2136 wrote to memory of 2920	2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe	31
PID 2136 wrote to memory of 2920	2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe	31
PID 2136 wrote to memory of 2920	2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe	31
PID 2136 wrote to memory of 2920	2136	053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe	31

C:\Users\Admin\AppData\Local\Temp\053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe
"C:\Users\Admin\AppData\Local\Temp\053ac109faa22e64154ca3997308485a6cd8ef78160d332219bfd16cac422e10N.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2336
- C:\FilesKR\xoptiloc.exe
  C:\FilesKR\xoptiloc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2920

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

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Downloads

C:\FilesKR\xoptiloc.exe

Filesize
2.6MB

MD5
0f419348c616a2e0f83cf9d443e7e699

SHA1
8c9cb868dd77137cd6df14199731b2560f968921

SHA256
26d462187c8a426fcfe2d84ab79a0175c625979e522684fcda3bbdb404fc48f6

SHA512
08f18f74bfbd05c73c8a5f63115ae5114fca25877006a4996a3f4c1692b59219fa3986db512c66550ebefc6114c1507d523c119fe3f85a74ba4936e2ad11b3a3

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

Filesize
171B

MD5
ac5f67283c28278142cd50e3aaa5da8d

SHA1
9def7f7a39520e9544f82a959d867a0920091be4

SHA256
74a4621a021be37b66fd8c0e909fb9918b930ab8c8e93593a756d8b5167eba42

SHA512
888b2ba8f083874ee08d857e9b37d1a524f9816d38f38d93d94c526d53dffecf827adfbaa28aa7520c466203d1d4ac6ae73b25a69a5a30d8654f0b02c6ad7da1

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

Filesize
203B

MD5
72f4e96670eb9dd8a3e77adfd2d6c1bb

SHA1
842ab21dd429dac3f84e951b25e9382199d6e3c3

SHA256
fe7c1456bebcde95b36522e3a884f33e6cccc3a43cd17cc8832f48193b9dffbd

SHA512
98fa26d483979a4820262da719572f4cd594786dd1ca27a021e6ecf55566e414ffd326631c4afa976f8291fafbbf9eea8de7cb7fb4de8c6c24709fb55f019fee

Download Submit
C:\VidVC\optialoc.exe

Filesize
2.6MB

MD5
fc5285e25743f1ea481ec24ccd6950fc

SHA1
91afbf7f4c1bd7cf5779404da9997a8c34a9ed2a

SHA256
31cec33b8d381cfcbf404c7d2cd61f066c1cb6bca44399de389b48f394e79dc9

SHA512
9f74b3c6da751e4016d2037d4390875f81803f5c904a6ba936c00cf4e928c5dbf953a93e559d45d959e3d88a698a531bc4ec152e760ef7b243ff27b705b8a53b

Download Submit
C:\VidVC\optialoc.exe

Filesize
2.6MB

MD5
c39f64e365a6c618d9694e4857d69da5

SHA1
73fc8e17db5e8a398bdf88ee5c8abad7b2c42707

SHA256
79a72aa3a4a4bf805571923ad4ff65942c76a7319174d81272d55aafb708d624

SHA512
c74e14a16d2258f46afbc3e26e250d49839fed39821350c3fb88ff1235316c3e7b683d38a88fead41a1fa42de2fa1ef45c52b33353eaddfdc012e1fb7ca5d05e

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

Filesize
2.6MB

MD5
f00b739b6428c56973328745f8f39362

SHA1
9cbffb4c90883e230778a2b03994f710906df67e

SHA256
6468c24ab8f242c22e7acc4a49f92ee1563a2a0ef632a8717ce9e35d7d4f7db3

SHA512
751f89ce9091b3a91d87eaee19db1f9851eee4cbbd3c99318dac182563cd4d2f12e82030d32158d6fbdf4e7b6608c9406e3f5eaefa7c1d82e1f6675430cf773d

Download Submit