b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8

General

Target

b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8.exe
Size

98KB
MD5

0a547347b0b9af0290b263dfa8d71ebe
SHA1

5ff176bfe5e0255a68c8e3d132afbff795a1fc1d
SHA256

b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8
SHA512

8e3795bc46783f970c63c56d340e1eb47346bd3e7a9050ed7d1fac77cdcf96e9ec2a955d56b60ca68556a160ab4c0116b2a51d0bbee91c5ded72a3b2b81d5fb0
SSDEEP

1536:79H3LJvFmav82tiLZoS/0XOD7fiq4kzNEAAkHK:hHbCOqb/+i7fRekHK

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	sysbrapsvc.exe

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysbrapsvc.exe

Executes dropped EXE 6 IoCs

pid	Process
3248	sysbrapsvc.exe
4424	2663424960.exe
1076	1693517754.exe
2428	1533932462.exe
2620	1917024594.exe
560	2293816317.exe

Windows security modification 2 TTPs 14 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	1693517754.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysbrapsvc.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysbrapsvc.exe"	b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winploravr.exe"	1693517754.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Users\\Admin\\winploravr.exe"	1693517754.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\winploravr.exe	1693517754.exe
File opened for modification	C:\Windows\winploravr.exe	1693517754.exe
File created	C:\Windows\sysbrapsvc.exe	b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8.exe
File opened for modification	C:\Windows\sysbrapsvc.exe	b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 3248	4820	b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8.exe	92
PID 4820 wrote to memory of 3248	4820	b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8.exe	92
PID 4820 wrote to memory of 3248	4820	b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8.exe	92
PID 3248 wrote to memory of 4424	3248	sysbrapsvc.exe	95
PID 3248 wrote to memory of 4424	3248	sysbrapsvc.exe	95
PID 3248 wrote to memory of 4424	3248	sysbrapsvc.exe	95
PID 3248 wrote to memory of 1076	3248	sysbrapsvc.exe	99
PID 3248 wrote to memory of 1076	3248	sysbrapsvc.exe	99
PID 3248 wrote to memory of 1076	3248	sysbrapsvc.exe	99
PID 1076 wrote to memory of 2428	1076	1693517754.exe	106
PID 1076 wrote to memory of 2428	1076	1693517754.exe	106
PID 1076 wrote to memory of 2428	1076	1693517754.exe	106
PID 1076 wrote to memory of 2620	1076	1693517754.exe	107
PID 1076 wrote to memory of 2620	1076	1693517754.exe	107
PID 1076 wrote to memory of 2620	1076	1693517754.exe	107
PID 1076 wrote to memory of 560	1076	1693517754.exe	108
PID 1076 wrote to memory of 560	1076	1693517754.exe	108
PID 1076 wrote to memory of 560	1076	1693517754.exe	108

C:\Users\Admin\AppData\Local\Temp\b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8.exe
"C:\Users\Admin\AppData\Local\Temp\b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Windows\sysbrapsvc.exe
  C:\Windows\sysbrapsvc.exe
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Users\Admin\AppData\Local\Temp\2663424960.exe
    C:\Users\Admin\AppData\Local\Temp\2663424960.exe
    3⤵
    - Executes dropped EXE
    PID:4424
- - C:\Users\Admin\AppData\Local\Temp\1693517754.exe
    C:\Users\Admin\AppData\Local\Temp\1693517754.exe
    3⤵
    - Windows security bypass
    - Executes dropped EXE
    - Windows security modification
    - Adds Run key to start application
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:1076
  - - C:\Users\Admin\AppData\Local\Temp\1533932462.exe
      C:\Users\Admin\AppData\Local\Temp\1533932462.exe
      4⤵
      Executes dropped EXE
      PID:2428
  - - C:\Users\Admin\AppData\Local\Temp\1917024594.exe
      C:\Users\Admin\AppData\Local\Temp\1917024594.exe
      4⤵
      Executes dropped EXE
      PID:2620
  - - C:\Users\Admin\AppData\Local\Temp\2293816317.exe
      C:\Users\Admin\AppData\Local\Temp\2293816317.exe
      4⤵
      Executes dropped EXE
      PID:560

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3464 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\_3[1]

Filesize
9KB

MD5
4c12165bc335a32cb559c828484a86a6

SHA1
c2e78c57f15a1a3a190be415aac3d1e3209ce785

SHA256
4831bd83c39ec9d898ccc1023858c81a03326b7c1c5dd8e24fdf9b2171707d1a

SHA512
f44df78b6f16255496b2fa35e28c185011c2bebf47730a68fd1369abf87f390684a8786a167319319d14a12da3768c1edef8e36037cde339a1ffe8c62c3ea87b

Download Submit
C:\Users\Admin\AppData\Local\Temp\1533932462.exe

Filesize
8KB

MD5
9b8a3fb66b93c24c52e9c68633b00f37

SHA1
2a9290e32d1582217eac32b977961ada243ada9a

SHA256
8a169cf165f635ecb6c55cacecb2c202c5fc6ef5fa82ec9cdb7d4b0300f35293

SHA512
117da1ec9850212e4cafce6669c2cfffc8078627f5c3ccdfd6a1bf3bee2d351290071087a4c206578d23852fa5e69c2ebefd71905c85b1eaed4220932bb71a39

Download Submit
C:\Users\Admin\AppData\Local\Temp\1693517754.exe

Filesize
14KB

MD5
d085f41fe497a63dc2a4882b485a2caf

SHA1
9dc111412129833495f19d7b8a5500cf7284ad68

SHA256
fb11b4e2d26812e26ea7428f3b0b9bb8a16814188250fa60697c7aec40a49bd0

SHA512
ed4d8e297094248fb536154ed0427f4cc1832f339ce29d0f782971ede42fa2b9e5f953f73e71d0cfc026e5fd2ec0f7062410af359fd940a14f277adca37fc106

Download Submit
C:\Windows\sysbrapsvc.exe

Filesize
98KB

MD5
0a547347b0b9af0290b263dfa8d71ebe

SHA1
5ff176bfe5e0255a68c8e3d132afbff795a1fc1d

SHA256
b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8

SHA512
8e3795bc46783f970c63c56d340e1eb47346bd3e7a9050ed7d1fac77cdcf96e9ec2a955d56b60ca68556a160ab4c0116b2a51d0bbee91c5ded72a3b2b81d5fb0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads