1997cd20f0b324b17cef323d3c7a54e491157d240dfee6cc98bb0333c1d9833a

General

Target

1997cd20f0b324b17cef323d3c7a54e491157d240dfee6cc98bb0333c1d9833a.exe
Size

1.5MB
MD5

935feecf2e55eeae4ffca6733e40ece5
SHA1

ecc30d4c1f16b8097d02260ee398ade524b4cf7b
SHA256

1997cd20f0b324b17cef323d3c7a54e491157d240dfee6cc98bb0333c1d9833a
SHA512

86786f5826dd5a1feea78ed5bc29e090ec39195169e5c631370a8e18d2b8cf9538f054f43ee44125b9c7126c36224279eab7d21b802df5c9741177a552fe1749
SSDEEP

24576:WnbbPImgK4brDi4IxgRqzwqNb+Yz73P2EMZbG0JEtFSSR0o6y2Pqx9f:cHeKh4nqzF3PYdStFSSR0o6y2a

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\FirewallOverride = "1"	sysbrapsvc.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\UpdatesOverride = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	1604931389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	1604931389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	1604931389.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\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\AntiVirusOverride = "1"	1604931389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	1604931389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	1604931389.exe

Downloads MZ/PE file

Executes dropped EXE 8 IoCs

pid	Process
1036	6B5C.exe
1316	1382229624.exe
4116	sysbrapsvc.exe
4664	203536541.exe
1496	1604931389.exe
2340	1102310838.exe
3084	1472832154.exe
3664	1029823417.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\AntiSpywareOverride = "1"	1604931389.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\AntiVirusDisableNotify = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	1604931389.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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	1604931389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	1604931389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	1604931389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	1604931389.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\UpdatesDisableNotify = "1"	sysbrapsvc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	1604931389.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"	1382229624.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winploravr.exe"	1604931389.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Users\\Admin\\winploravr.exe"	1604931389.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\sysbrapsvc.exe	1382229624.exe
File opened for modification	C:\Windows\sysbrapsvc.exe	1382229624.exe
File created	C:\Windows\winploravr.exe	1604931389.exe
File opened for modification	C:\Windows\winploravr.exe	1604931389.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 1036	3260	1997cd20f0b324b17cef323d3c7a54e491157d240dfee6cc98bb0333c1d9833a.exe	87
PID 3260 wrote to memory of 1036	3260	1997cd20f0b324b17cef323d3c7a54e491157d240dfee6cc98bb0333c1d9833a.exe	87
PID 3260 wrote to memory of 1036	3260	1997cd20f0b324b17cef323d3c7a54e491157d240dfee6cc98bb0333c1d9833a.exe	87
PID 1036 wrote to memory of 1316	1036	6B5C.exe	96
PID 1036 wrote to memory of 1316	1036	6B5C.exe	96
PID 1036 wrote to memory of 1316	1036	6B5C.exe	96
PID 1316 wrote to memory of 4116	1316	1382229624.exe	97
PID 1316 wrote to memory of 4116	1316	1382229624.exe	97
PID 1316 wrote to memory of 4116	1316	1382229624.exe	97
PID 4116 wrote to memory of 4664	4116	sysbrapsvc.exe	101
PID 4116 wrote to memory of 4664	4116	sysbrapsvc.exe	101
PID 4116 wrote to memory of 4664	4116	sysbrapsvc.exe	101
PID 4116 wrote to memory of 1496	4116	sysbrapsvc.exe	102
PID 4116 wrote to memory of 1496	4116	sysbrapsvc.exe	102
PID 4116 wrote to memory of 1496	4116	sysbrapsvc.exe	102
PID 1496 wrote to memory of 2340	1496	1604931389.exe	105
PID 1496 wrote to memory of 2340	1496	1604931389.exe	105
PID 1496 wrote to memory of 2340	1496	1604931389.exe	105
PID 1496 wrote to memory of 3084	1496	1604931389.exe	106
PID 1496 wrote to memory of 3084	1496	1604931389.exe	106
PID 1496 wrote to memory of 3084	1496	1604931389.exe	106
PID 1496 wrote to memory of 3664	1496	1604931389.exe	107
PID 1496 wrote to memory of 3664	1496	1604931389.exe	107
PID 1496 wrote to memory of 3664	1496	1604931389.exe	107

C:\Users\Admin\AppData\Local\Temp\1997cd20f0b324b17cef323d3c7a54e491157d240dfee6cc98bb0333c1d9833a.exe
"C:\Users\Admin\AppData\Local\Temp\1997cd20f0b324b17cef323d3c7a54e491157d240dfee6cc98bb0333c1d9833a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Users\Admin\AppData\Local\Temp\6B5C.exe
  "C:\Users\Admin\AppData\Local\Temp\6B5C.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Users\Admin\AppData\Local\Temp\1382229624.exe
    C:\Users\Admin\AppData\Local\Temp\1382229624.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:1316
  - - C:\Windows\sysbrapsvc.exe
      C:\Windows\sysbrapsvc.exe
      4⤵
      Modifies security service
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      Suspicious use of WriteProcessMemory
      PID:4116
    - - C:\Users\Admin\AppData\Local\Temp\203536541.exe
        
        C:\Users\Admin\AppData\Local\Temp\203536541.exe
        5⤵
        Executes dropped EXE
        
        PID:4664
    - - C:\Users\Admin\AppData\Local\Temp\1604931389.exe
        
        C:\Users\Admin\AppData\Local\Temp\1604931389.exe
        5⤵
        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:1496
      - C:\Users\Admin\AppData\Local\Temp\1102310838.exe
        
        C:\Users\Admin\AppData\Local\Temp\1102310838.exe
        6⤵
        Executes dropped EXE
        
        PID:2340
      - C:\Users\Admin\AppData\Local\Temp\1472832154.exe
        
        C:\Users\Admin\AppData\Local\Temp\1472832154.exe
        6⤵
        Executes dropped EXE
        
        PID:3084
      - C:\Users\Admin\AppData\Local\Temp\1029823417.exe
        
        C:\Users\Admin\AppData\Local\Temp\1029823417.exe
        6⤵
        Executes dropped EXE
        
        PID:3664

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\79ZXHV21\3[1]

Filesize
80KB

MD5
2ff2bb06682812eeb76628bfbe817fbb

SHA1
18e86614d0f4904e1fe97198ccda34b25aab7dae

SHA256
985da56fb594bf65d8bb993e8e37cd6e78535da6c834945068040faf67e91e7d

SHA512
5cd3b5a1e16202893b08c0ae70d3bcd9e7a49197ebf1ded08e01395202022b3b6c2d8837196ef0415fea6497d928b44e03544b934f8e062ddbb6c6f79fb6f440

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9HVBWIRO\_3[1]

Filesize
9KB

MD5
4c12165bc335a32cb559c828484a86a6

SHA1
c2e78c57f15a1a3a190be415aac3d1e3209ce785

SHA256
4831bd83c39ec9d898ccc1023858c81a03326b7c1c5dd8e24fdf9b2171707d1a

SHA512
f44df78b6f16255496b2fa35e28c185011c2bebf47730a68fd1369abf87f390684a8786a167319319d14a12da3768c1edef8e36037cde339a1ffe8c62c3ea87b

Download Submit
C:\Users\Admin\AppData\Local\Temp\1102310838.exe

Filesize
8KB

MD5
9b8a3fb66b93c24c52e9c68633b00f37

SHA1
2a9290e32d1582217eac32b977961ada243ada9a

SHA256
8a169cf165f635ecb6c55cacecb2c202c5fc6ef5fa82ec9cdb7d4b0300f35293

SHA512
117da1ec9850212e4cafce6669c2cfffc8078627f5c3ccdfd6a1bf3bee2d351290071087a4c206578d23852fa5e69c2ebefd71905c85b1eaed4220932bb71a39

Download Submit
C:\Users\Admin\AppData\Local\Temp\1382229624.exe

Filesize
98KB

MD5
0a547347b0b9af0290b263dfa8d71ebe

SHA1
5ff176bfe5e0255a68c8e3d132afbff795a1fc1d

SHA256
b00aa26d9d7889613c7552ce6e17b0264788e24c6166edcf68c47f209ca767f8

SHA512
8e3795bc46783f970c63c56d340e1eb47346bd3e7a9050ed7d1fac77cdcf96e9ec2a955d56b60ca68556a160ab4c0116b2a51d0bbee91c5ded72a3b2b81d5fb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\1604931389.exe

Filesize
14KB

MD5
d085f41fe497a63dc2a4882b485a2caf

SHA1
9dc111412129833495f19d7b8a5500cf7284ad68

SHA256
fb11b4e2d26812e26ea7428f3b0b9bb8a16814188250fa60697c7aec40a49bd0

SHA512
ed4d8e297094248fb536154ed0427f4cc1832f339ce29d0f782971ede42fa2b9e5f953f73e71d0cfc026e5fd2ec0f7062410af359fd940a14f277adca37fc106

Download Submit
C:\Users\Admin\AppData\Local\Temp\6B5C.exe

Filesize
10KB

MD5
f33c75710d0e0463a2528e619c2ee382

SHA1
4d2dd071fe274e6a8696448c21eeeecc0cf07e6d

SHA256
ec7dd08d03d5d4142c82fc04cea7e948d05641b0a3008a0d8a00b0421b5b04f9

SHA512
154242d9880aa6a4f56e697643da089db121fcb1fb8fe7748efed650a6446d259be45aa58ec76f447d2c4bb5649f01acd2304d86321ec8720dfa1182ce0d5bfe

Download Submit
memory/3260-7-0x0000000003130000-0x0000000003131000-memory.dmp

Filesize
4KB

Download
memory/3260-13-0x0000000000400000-0x0000000000587DB0-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads