lumma | 90f6c55a70a5cbbb9f71db71aea174413774ef759b10721f7cbf7d79d129bf43

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 19:01

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General

Target
8d19f3b96a30cdc22d6a771306780696.exe
Size 145KB
Sample240203-xpjhtsgbb7
SHA256 90f6c55a70a5cbbb9f71db71aea174413774ef759b10721f7cbf7d79d129bf43
MD5 8d19f3b96a30cdc22d6a771306780696
SHA1 6dcf09f58f7755cd740aa2b922c87e62abbed4a9
SHA512 d64f30fd626849398e0ae90ca6e45e7af9482e86d8ae2519e1940925f422c356d0141f82a168fd9a29bea8449a676c4e1514cec438300e77c352c56a2b524168
SSDEEP 3072:ncSZ6MKkQVDf0USLEKSoT+YzvKmXuX0hpiZAiOMAQiwlwqBxJC:LNQEp3vKmEBZ3OMAQHxJC
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma metasploit backdoor evasion stealer trojan

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

Detect Lumma Stealer payload V4 10 IoCs

resource	yara_rule
behavioral2/memory/3132-7-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4
behavioral2/memory/1140-8-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4
behavioral2/memory/1140-9-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4
behavioral2/memory/1140-11-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4
behavioral2/memory/1140-13-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4
behavioral2/memory/1140-15-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4
behavioral2/memory/1140-17-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4
behavioral2/memory/1140-19-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4
behavioral2/memory/1140-20-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4
behavioral2/memory/1140-22-0x0000000000400000-0x0000000000681000-memory.dmp	family_lumma_v4

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma
MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Modifies firewall policy service 2 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

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

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

Modifies Windows Firewall 2 TTPs 7 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4852	netsh.exe
4124	netsh.exe
4788	netsh.exe
1604	netsh.exe
920	netsh.exe
3080	netsh.exe
5072	netsh.exe

Deletes itself 1 IoCs

pid	Process
1140	unwise_.exe

Executes dropped EXE 1 IoCs

pid	Process
1140	unwise_.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\AntiVirusDisableNotify = "1"	unwise_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	unwise_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	unwise_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	unwise_.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\unwise_.exe	8d19f3b96a30cdc22d6a771306780696.exe
File opened for modification	C:\Windows\Fonts\unwise_.exe	8d19f3b96a30cdc22d6a771306780696.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	unwise_.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	unwise_.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	unwise_.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\MaxConnectionsPer1_0Server = "65534"	unwise_.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\MaxConnectionsPerServer = "65534"	unwise_.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	unwise_.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	unwise_.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	unwise_.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: 33	3132	8d19f3b96a30cdc22d6a771306780696.exe
Token: SeIncBasePriorityPrivilege	3132	8d19f3b96a30cdc22d6a771306780696.exe
Token: 33	1140	unwise_.exe
Token: SeIncBasePriorityPrivilege	1140	unwise_.exe
Token: SeBackupPrivilege	1140	unwise_.exe
Token: SeSecurityPrivilege	1140	unwise_.exe
Token: SeSecurityPrivilege	1140	unwise_.exe
Token: SeBackupPrivilege	1140	unwise_.exe
Token: SeSecurityPrivilege	1140	unwise_.exe
Token: SeBackupPrivilege	1140	unwise_.exe
Token: SeSecurityPrivilege	1140	unwise_.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 4852	1140	unwise_.exe	89
PID 1140 wrote to memory of 4852	1140	unwise_.exe	89
PID 1140 wrote to memory of 4852	1140	unwise_.exe	89
PID 1140 wrote to memory of 4124	1140	unwise_.exe	91
PID 1140 wrote to memory of 4124	1140	unwise_.exe	91
PID 1140 wrote to memory of 4124	1140	unwise_.exe	91
PID 1140 wrote to memory of 4788	1140	unwise_.exe	93
PID 1140 wrote to memory of 4788	1140	unwise_.exe	93
PID 1140 wrote to memory of 4788	1140	unwise_.exe	93
PID 1140 wrote to memory of 1604	1140	unwise_.exe	95
PID 1140 wrote to memory of 1604	1140	unwise_.exe	95
PID 1140 wrote to memory of 1604	1140	unwise_.exe	95
PID 1140 wrote to memory of 920	1140	unwise_.exe	97
PID 1140 wrote to memory of 920	1140	unwise_.exe	97
PID 1140 wrote to memory of 920	1140	unwise_.exe	97
PID 1140 wrote to memory of 3080	1140	unwise_.exe	99
PID 1140 wrote to memory of 3080	1140	unwise_.exe	99
PID 1140 wrote to memory of 3080	1140	unwise_.exe	99
PID 1140 wrote to memory of 5072	1140	unwise_.exe	101
PID 1140 wrote to memory of 5072	1140	unwise_.exe	101
PID 1140 wrote to memory of 5072	1140	unwise_.exe	101

C:\Users\Admin\AppData\Local\Temp\8d19f3b96a30cdc22d6a771306780696.exe
"C:\Users\Admin\AppData\Local\Temp\8d19f3b96a30cdc22d6a771306780696.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3132

C:\Windows\Fonts\unwise_.exe
"C:\Windows\Fonts\unwise_.exe"
1⤵
- Modifies firewall policy service
- Windows security bypass
- Deletes itself
- Executes dropped EXE
- Windows security modification
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set portopening TCP 445 NB
  2⤵
  - Modifies Windows Firewall
  PID:4852
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set portopening TCP 139 NB
  2⤵
  - Modifies Windows Firewall
  PID:4124
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set portopening TCP 1013 BS
  2⤵
  - Modifies Windows Firewall
  PID:4788
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set portopening TCP 9999 PORT1
  2⤵
  - Modifies Windows Firewall
  PID:1604
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set portopening TCP 9991 PORT2
  2⤵
  - Modifies Windows Firewall
  PID:920
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Windows\Fonts\unwise_.exe" workstation ENABLE ALL
  2⤵
  - Modifies Windows Firewall
  PID:3080
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall set allowedprogram "C:\Windows\Fonts\unwise_.exe" workstation ENABLE ALL
  2⤵
  - Modifies Windows Firewall
  PID:5072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

unwise_.exe

Path C:\Windows\Fonts\unwise_.exe
Size 145KB
SHA256 90f6c55a70a5cbbb9f71db71aea174413774ef759b10721f7cbf7d79d129bf43
MD5 8d19f3b96a30cdc22d6a771306780696
SHA1 6dcf09f58f7755cd740aa2b922c87e62abbed4a9
SHA512 d64f30fd626849398e0ae90ca6e45e7af9482e86d8ae2519e1940925f422c356d0141f82a168fd9a29bea8449a676c4e1514cec438300e77c352c56a2b524168
SSDEEP 3072:ncSZ6MKkQVDf0USLEKSoT+YzvKmXuX0hpiZAiOMAQiwlwqBxJC:LNQEp3vKmEBZ3OMAQHxJC
MD5 SHA1 SHA512 SSDEEP

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memory/1140-9-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/1140-6-0x00000000007A0000-0x00000000007A2000-memory.dmp

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memory/1140-8-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/1140-11-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/1140-13-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/1140-15-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/1140-17-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/1140-19-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/1140-20-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/1140-22-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/3132-1-0x0000000000760000-0x0000000000762000-memory.dmp

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memory/3132-7-0x0000000000400000-0x0000000000681000-memory.dmp

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memory/3132-0-0x0000000000400000-0x0000000000681000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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