sality | 4f5c33b54a841bae7acb0e8216de5120a5b068ac60cfd158eca260d1f83cf067

Analysis

max time kernel
140s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
18-05-2024 08:45

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General

Target

1408_cn_V8.3.0.0/1408_cn_8.3.0.0/merger.exe
Size

92KB
MD5

8cb4cef7b6e8d97562d187ac9866654a
SHA1

0e66b235caa369ab5828759d730a3d4dede5bf9c
SHA256

abf4cb484f09989ccfe05cbd470665b341c0eedcbc17e2232c237a3e202bfe3f
SHA512

1edec7c3a4a1755db592226326411056d1c60e8a003ecb7024221db417f183b9d5202389fac63fd1ec209136c7477d3957b6a7c018188f957f841ab6773be9cc
SSDEEP

1536:Mu/G4WXrx0ocGfVe/+/yP+aHleIn2kjwk9Cfo6hoie2mMlUo7nlgbzoSE:MxrSocGfVjabn2VkJEnljF

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

Signatures

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

merger.exe

description ioc process

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

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

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

merger.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	merger.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	merger.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	merger.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	merger.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	merger.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	merger.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

merger.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1"	merger.exe

Disables Task Manager via registry modification
evasion
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2884 netsh.exe

pid	process
2884	netsh.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral26/memory/904-1-0x00000000021B0000-0x00000000031E3000-memory.dmp	upx
behavioral26/memory/904-3-0x00000000021B0000-0x00000000031E3000-memory.dmp	upx
behavioral26/memory/904-10-0x00000000021B0000-0x00000000031E3000-memory.dmp	upx
behavioral26/memory/904-7-0x00000000021B0000-0x00000000031E3000-memory.dmp	upx
behavioral26/memory/904-15-0x00000000021B0000-0x00000000031E3000-memory.dmp	upx
behavioral26/memory/904-17-0x00000000021B0000-0x00000000031E3000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

merger.exe

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

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

merger.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" merger.exe
Drops file in Windows directory 1 IoCs

Processes:

merger.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI merger.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

merger.exe

pid process

904 merger.exe
904 merger.exe

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

description	ioc	process
File opened for modification	C:\Windows\SYSTEM.INI	merger.exe

pid	process
904	merger.exe
904	merger.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

merger.exe

description	pid	process
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe
Token: SeDebugPrivilege	904	merger.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

merger.exe

description	pid	process	target process
PID 904 wrote to memory of 776	904	merger.exe	fontdrvhost.exe
PID 904 wrote to memory of 780	904	merger.exe	fontdrvhost.exe
PID 904 wrote to memory of 1020	904	merger.exe	dwm.exe
PID 904 wrote to memory of 2536	904	merger.exe	sihost.exe
PID 904 wrote to memory of 2548	904	merger.exe	svchost.exe
PID 904 wrote to memory of 2692	904	merger.exe	taskhostw.exe
PID 904 wrote to memory of 3440	904	merger.exe	Explorer.EXE
PID 904 wrote to memory of 3676	904	merger.exe	svchost.exe
PID 904 wrote to memory of 3864	904	merger.exe	DllHost.exe
PID 904 wrote to memory of 3960	904	merger.exe	StartMenuExperienceHost.exe
PID 904 wrote to memory of 4020	904	merger.exe	RuntimeBroker.exe
PID 904 wrote to memory of 1100	904	merger.exe	SearchApp.exe
PID 904 wrote to memory of 3640	904	merger.exe	RuntimeBroker.exe
PID 904 wrote to memory of 4408	904	merger.exe	RuntimeBroker.exe
PID 904 wrote to memory of 1032	904	merger.exe	TextInputHost.exe
PID 904 wrote to memory of 4552	904	merger.exe	backgroundTaskHost.exe
PID 904 wrote to memory of 2372	904	merger.exe	backgroundTaskHost.exe
PID 904 wrote to memory of 4064	904	merger.exe	Conhost.exe
PID 904 wrote to memory of 2884	904	merger.exe	netsh.exe
PID 904 wrote to memory of 2884	904	merger.exe	netsh.exe
PID 904 wrote to memory of 2884	904	merger.exe	netsh.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

merger.exe

description ioc process

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

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

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:776

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:780

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:1020

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2536

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2548

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2692

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440

C:\Users\Admin\AppData\Local\Temp\1408_cn_V8.3.0.0\1408_cn_8.3.0.0\merger.exe
"C:\Users\Admin\AppData\Local\Temp\1408_cn_V8.3.0.0\1408_cn_8.3.0.0\merger.exe"
2⤵
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- 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:904

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
3⤵
PID:4064

C:\Windows\SysWOW64\netsh.exe
netsh firewall set opmode disable
3⤵
- Modifies Windows Firewall
PID:2884

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3676

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3864

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3960

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4020

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:1100

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3640

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4408

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:1032

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:4552

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:2372

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/904-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/904-1-0x00000000021B0000-0x00000000031E3000-memory.dmp

Filesize
16.2MB

Download
memory/904-3-0x00000000021B0000-0x00000000031E3000-memory.dmp

Filesize
16.2MB

Download
memory/904-10-0x00000000021B0000-0x00000000031E3000-memory.dmp

Filesize
16.2MB

Download
memory/904-9-0x0000000003230000-0x0000000003231000-memory.dmp

Filesize
4KB

Download
memory/904-8-0x00000000005C0000-0x00000000005C2000-memory.dmp

Filesize
8KB

Download
memory/904-7-0x00000000021B0000-0x00000000031E3000-memory.dmp

Filesize
16.2MB

Download
memory/904-14-0x00000000005C0000-0x00000000005C2000-memory.dmp

Filesize
8KB

Download
memory/904-11-0x00000000005C0000-0x00000000005C2000-memory.dmp

Filesize
8KB

Download
memory/904-15-0x00000000021B0000-0x00000000031E3000-memory.dmp

Filesize
16.2MB

Download
memory/904-17-0x00000000021B0000-0x00000000031E3000-memory.dmp

Filesize
16.2MB

Download
memory/904-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download