sality | f3dda8f48606c448d22a7b407f61757605acc028d3deddd0ad8c1e2742efcf86

Analysis

max time kernel
13s
max time network
121s
platform
windows10_x64
resource
win10v20210408
submitted
24-07-2021 07:04

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General

Target

b277141c357912e3cf76cf2eff36d2d9.exe
Size

2.9MB
MD5

b277141c357912e3cf76cf2eff36d2d9
SHA1

dfee214eec9da65da55ce47f44ccb0ae4751195e
SHA256

f3dda8f48606c448d22a7b407f61757605acc028d3deddd0ad8c1e2742efcf86
SHA512

11aad22541baeeb19f54b306b3719da789287ce5ad2aec9218c2b305b69d4bd8fe794063fab761ce5f90a02ffb506ed9b2431966a2e9aa605647508f5326159b

Score

10^/10

sality backdoor evasion trojan upx

Malware Config

Extracted

Family

sality

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	b277141c357912e3cf76cf2eff36d2d9.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	b277141c357912e3cf76cf2eff36d2d9.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	b277141c357912e3cf76cf2eff36d2d9.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality
UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/900-114-0x0000000002210000-0x000000000329E000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	b277141c357912e3cf76cf2eff36d2d9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	b277141c357912e3cf76cf2eff36d2d9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	b277141c357912e3cf76cf2eff36d2d9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	b277141c357912e3cf76cf2eff36d2d9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	b277141c357912e3cf76cf2eff36d2d9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	b277141c357912e3cf76cf2eff36d2d9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	b277141c357912e3cf76cf2eff36d2d9.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"	b277141c357912e3cf76cf2eff36d2d9.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	b277141c357912e3cf76cf2eff36d2d9.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4080	900	WerFault.exe	67

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
900	b277141c357912e3cf76cf2eff36d2d9.exe
900	b277141c357912e3cf76cf2eff36d2d9.exe

Suspicious use of AdjustPrivilegeToken 57 IoCs

description	pid	Process
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe
Token: SeDebugPrivilege	900	b277141c357912e3cf76cf2eff36d2d9.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 724	900	b277141c357912e3cf76cf2eff36d2d9.exe	5
PID 900 wrote to memory of 720	900	b277141c357912e3cf76cf2eff36d2d9.exe	62
PID 900 wrote to memory of 968	900	b277141c357912e3cf76cf2eff36d2d9.exe	58
PID 900 wrote to memory of 2340	900	b277141c357912e3cf76cf2eff36d2d9.exe	30
PID 900 wrote to memory of 2352	900	b277141c357912e3cf76cf2eff36d2d9.exe	29
PID 900 wrote to memory of 2516	900	b277141c357912e3cf76cf2eff36d2d9.exe	25
PID 900 wrote to memory of 3024	900	b277141c357912e3cf76cf2eff36d2d9.exe	19
PID 900 wrote to memory of 3256	900	b277141c357912e3cf76cf2eff36d2d9.exe	18
PID 900 wrote to memory of 3272	900	b277141c357912e3cf76cf2eff36d2d9.exe	17
PID 900 wrote to memory of 3500	900	b277141c357912e3cf76cf2eff36d2d9.exe	10
PID 900 wrote to memory of 3760	900	b277141c357912e3cf76cf2eff36d2d9.exe	16
PID 900 wrote to memory of 4052	900	b277141c357912e3cf76cf2eff36d2d9.exe	74

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"	b277141c357912e3cf76cf2eff36d2d9.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:724

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3500

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3760

C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
1⤵
PID:3272

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
1⤵
PID:3256

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3024
- C:\Users\Admin\AppData\Local\Temp\b277141c357912e3cf76cf2eff36d2d9.exe
  "C:\Users\Admin\AppData\Local\Temp\b277141c357912e3cf76cf2eff36d2d9.exe"
  2⤵
  - Modifies firewall policy service
  - Windows security modification
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 1056
    3⤵
    - Program crash
    PID:4080

c:\windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2516

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
1⤵
PID:2352

c:\windows\system32\sihost.exe
sihost.exe
1⤵
PID:2340

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:968

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:720

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:4052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/900-115-0x0000000004C50000-0x0000000004C52000-memory.dmp

Filesize
8KB

Download
memory/900-114-0x0000000002210000-0x000000000329E000-memory.dmp

Filesize
16.6MB

Download
memory/900-116-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download