3dba17277577ca708ce4df9eb02fedf35798fec80f9740fcbf53a1302b61ce89

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 12:33

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General

Target

Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe
Size

67KB
MD5

bef0e497c009b94458441a8bcd24af8a
SHA1

90e378086d2b808052741c8f4843d4e5c29bc4dc
SHA256

3dba17277577ca708ce4df9eb02fedf35798fec80f9740fcbf53a1302b61ce89
SHA512

6d13a3137f4171c6124d9a3e8fbf2db88ba2fa531a86c69b802f68cbca9f34450ec31f6804f0cb4988ae4f43aa50f7efba77e820866a4f9827d3ceb01c2a1984
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1+awJj:ulg35GTslA5t3GawJj

Score

10^/10

defense_evasion discovery evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs 4 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\AntiVirusOverride = "25600"	oumkovet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	oumkovet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	oumkovet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	oumkovet.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50564D4E-5544-5644-5056-4D4E55445644}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	oumkovet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50564D4E-5544-5644-5056-4D4E55445644}\IsInstalled = "1"	oumkovet.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50564D4E-5544-5644-5056-4D4E55445644}\StubPath = "C:\\Windows\\system32\\ugpeatar.exe"	oumkovet.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50564D4E-5544-5644-5056-4D4E55445644}	oumkovet.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\adfabic.exe"	oumkovet.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	oumkovet.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	oumkovet.exe

Executes dropped EXE 2 IoCs

pid	Process
6128	oumkovet.exe
5192	oumkovet.exe

Windows security modification 2 TTPs 4 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\AntiVirusOverride = "25600"	oumkovet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	oumkovet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	oumkovet.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	oumkovet.exe

Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

remove IFEO.

defense_evasion

Clear Persistence

T1070.009

description	ioc	Process
Delete value	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger	oumkovet.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	oumkovet.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	oumkovet.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	oumkovet.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	oumkovet.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\orcemoof.dll"	oumkovet.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\oumkovet.exe	Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe
File created	C:\Windows\SysWOW64\adfabic.exe	oumkovet.exe
File opened for modification	C:\Windows\SysWOW64\ugpeatar.exe	oumkovet.exe
File created	C:\Windows\SysWOW64\ugpeatar.exe	oumkovet.exe
File opened for modification	C:\Windows\SysWOW64\orcemoof.dll	oumkovet.exe
File opened for modification	C:\Windows\SysWOW64\oumkovet.exe	Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe
File opened for modification	C:\Windows\SysWOW64\adfabic.exe	oumkovet.exe
File created	C:\Windows\SysWOW64\orcemoof.dll	oumkovet.exe
File opened for modification	C:\Windows\SysWOW64\oumkovet.exe	oumkovet.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	Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oumkovet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oumkovet.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
5192	oumkovet.exe
5192	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe
6128	oumkovet.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3556	Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe
Token: SeDebugPrivilege	6128	oumkovet.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 6128	3556	Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe	85
PID 3556 wrote to memory of 6128	3556	Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe	85
PID 3556 wrote to memory of 6128	3556	Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe	85
PID 6128 wrote to memory of 5192	6128	oumkovet.exe	86
PID 6128 wrote to memory of 5192	6128	oumkovet.exe	86
PID 6128 wrote to memory of 5192	6128	oumkovet.exe	86

C:\Users\Admin\AppData\Local\Temp\Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe
"C:\Users\Admin\AppData\Local\Temp\Virus.Sysbot.ATA_virussign.com_bef0e497c009b94458441a8bcd24af8a.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\SysWOW64\oumkovet.exe
  "C:\Windows\system32\oumkovet.exe"
  2⤵
  - Windows security bypass
  - Boot or Logon Autostart Execution: Active Setup
  - Event Triggered Execution: Image File Execution Options Injection
  - Executes dropped EXE
  - Windows security modification
  - Indicator Removal: Clear Persistence
  - Modifies WinLogon
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:6128
- - C:\Windows\SysWOW64\oumkovet.exe
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    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:5192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

Clear Persistence

T1070.009

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\adfabic.exe

Filesize
70KB

MD5
5dce07c08c7104fd09aae1cc2476e72f

SHA1
4a1159f988f9f31f64ee1b9ce53c3dd8db24df24

SHA256
1f422b7fe27deabe9a92bb5e6651989cf6b395f84828c89cef8451104cd02dd0

SHA512
a4398129f393dbb2ca7853691b3f32a1abbad8d8aa446bb742bc79da96c21c7443caf675cb8d7f9ef24d28f161dc24237d18dfd15c6cc1b97ad7f3c447021b12

Download Submit
C:\Windows\SysWOW64\orcemoof.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\oumkovet.exe

Filesize
67KB

MD5
bef0e497c009b94458441a8bcd24af8a

SHA1
90e378086d2b808052741c8f4843d4e5c29bc4dc

SHA256
3dba17277577ca708ce4df9eb02fedf35798fec80f9740fcbf53a1302b61ce89

SHA512
6d13a3137f4171c6124d9a3e8fbf2db88ba2fa531a86c69b802f68cbca9f34450ec31f6804f0cb4988ae4f43aa50f7efba77e820866a4f9827d3ceb01c2a1984

Download Submit
C:\Windows\SysWOW64\ugpeatar.exe

Filesize
69KB

MD5
8489c3b6c9f6eab704963a83e187700c

SHA1
e7a587ca1d43c5c88c28cf9dfb1c58a9f54a7154

SHA256
6e1682731a62f5adf6cafabe6260dac9f5b7212920b01bf952d645c9d8d081b2

SHA512
203008611086405891e9ce3365d9ab7c49420ee36582e9dbd03084457ad7c0b653f63627b9075fe429ac902993c62cc8ba897544b6a32907db512be748085141

Download Submit
memory/3556-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5192-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/6128-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download