sality | e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c

General

Target

e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Size

1.8MB
MD5

83eb724f34d7d9792ce881cadab094e8
SHA1

a4f72e89587d86f5d6e7f747eaf1bd75702c09f4
SHA256

e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c
SHA512

d0b5b2e8b29346a7ccf6780c7ede516ae36d2cdf771f6e7e440b99988cccf68455a09212f444926f6d78da455dbc1a29a6bcecd2dd469a5d898609a063a05c01
SSDEEP

49152:DNByELjLU6maRBJ8weUgU4QMG3cCD0fsL2Bj:BDjQ6pJjTL4QMG3cCWsiBj

Score

10^/10

sality stealc stok backdoor discovery evasion stealer trojan upx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Signatures

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality
Sality family
sality
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Windows security bypass 2 TTPs 6 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"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Windows security modification 2 TTPs 7 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"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2888-0-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-3-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-12-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-6-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-8-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-7-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-9-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-5-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-4-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-11-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-10-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx
behavioral1/memory/2888-49-0x0000000000C20000-0x0000000001CDA000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f7664db	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
File opened for modification	C:\Windows\SYSTEM.INI	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
Token: SeDebugPrivilege	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 1116	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe	19
PID 2888 wrote to memory of 1168	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe	20
PID 2888 wrote to memory of 1212	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe	21
PID 2888 wrote to memory of 848	2888	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe	25

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe
  "C:\Users\Admin\AppData\Local\Temp\e91d25c3211c91505b13081bb8bbd3b00bba238f6fadb36c7150911071684d9c.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Windows security modification
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2888

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

4

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1116-13-0x00000000002D0000-0x00000000002D2000-memory.dmp

Filesize
8KB

Download
memory/2888-9-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-25-0x00000000043C0000-0x00000000043C1000-memory.dmp

Filesize
4KB

Download
memory/2888-0-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-21-0x0000000001DB0000-0x0000000001DB2000-memory.dmp

Filesize
8KB

Download
memory/2888-22-0x00000000043C0000-0x00000000043C1000-memory.dmp

Filesize
4KB

Download
memory/2888-12-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-6-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-8-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-7-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-1-0x0000000000400000-0x0000000000AAC000-memory.dmp

Filesize
6.7MB

Download
memory/2888-3-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-4-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-5-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-11-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-10-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-32-0x0000000001DB0000-0x0000000001DB2000-memory.dmp

Filesize
8KB

Download
memory/2888-31-0x0000000001DB0000-0x0000000001DB2000-memory.dmp

Filesize
8KB

Download
memory/2888-33-0x00000000775F0000-0x00000000775F2000-memory.dmp

Filesize
8KB

Download
memory/2888-48-0x0000000000400000-0x0000000000AAC000-memory.dmp

Filesize
6.7MB

Download
memory/2888-49-0x0000000000C20000-0x0000000001CDA000-memory.dmp

Filesize
16.7MB

Download
memory/2888-47-0x0000000000401000-0x0000000000418000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads