lumma | d9f6408b67628d5618a4fbaba97404ac55988633ccb2a02a09c95b0b134bafc9

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
22-07-2023 14:41

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General

Target

file.exe
Size

2.0MB
MD5

8bb15c76e2d55780ced07a1a2c589486
SHA1

1c28776b212347e0746743db176820aecfeb20ea
SHA256

d9f6408b67628d5618a4fbaba97404ac55988633ccb2a02a09c95b0b134bafc9
SHA512

516cdaa2fe2efcc18c5596723ce52f92b9f09b80a089b87e647e0ab807c69cc8e3310a894925674ad628baa32712e93074ffcc2e1a5fd61d5d2b15eb9b0a9a1d
SSDEEP

49152:dusT49TJp6obw7prohAAGQFEVxYL+7vAzieEdfr:FaPtGXVKEvAz+dr

Score

10^/10

lumma evasion spyware stealer themida trojan

Malware Config

Signatures

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

file.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ file.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.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

Processes:

file.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2624-63-0x0000000000BB0000-0x0000000001130000-memory.dmp	themida
behavioral1/memory/2624-108-0x0000000000BB0000-0x0000000001130000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

file.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA file.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

file.exe

pid process

2624 file.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 2624 set thread context of 2864 2624 file.exe AppLaunch.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	file.exe

description	pid	process	target process
PID 2624 set thread context of 2864	2624	file.exe	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

file.exeAppLaunch.exe

pid	process
2624	file.exe
2864	AppLaunch.exe
2864	AppLaunch.exe
2864	AppLaunch.exe
2864	AppLaunch.exe
2864	AppLaunch.exe
2864	AppLaunch.exe
2864	AppLaunch.exe
2864	AppLaunch.exe
2864	AppLaunch.exe
2864	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 2624 file.exe

description	pid	process
Token: SeDebugPrivilege	2624	file.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

file.exe

description	pid	process	target process
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe
PID 2624 wrote to memory of 2864	2624	file.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2624-83-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-69-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-56-0x0000000075480000-0x0000000075590000-memory.dmp

Filesize
1.1MB

Download
memory/2624-55-0x0000000075480000-0x0000000075590000-memory.dmp

Filesize
1.1MB

Download
memory/2624-57-0x0000000075C00000-0x0000000075C47000-memory.dmp

Filesize
284KB

Download
memory/2624-58-0x0000000075480000-0x0000000075590000-memory.dmp

Filesize
1.1MB

Download
memory/2624-77-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-59-0x0000000075480000-0x0000000075590000-memory.dmp

Filesize
1.1MB

Download
memory/2624-63-0x0000000000BB0000-0x0000000001130000-memory.dmp

Filesize
5.5MB

Download
memory/2624-65-0x0000000075C00000-0x0000000075C47000-memory.dmp

Filesize
284KB

Download
memory/2624-64-0x0000000000BB0000-0x0000000001130000-memory.dmp

Filesize
5.5MB

Download
memory/2624-67-0x00000000005D0000-0x00000000005EC000-memory.dmp

Filesize
112KB

Download
memory/2624-68-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-81-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-71-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-73-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-75-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-53-0x0000000000BB0000-0x0000000001130000-memory.dmp

Filesize
5.5MB

Download
memory/2624-61-0x0000000077A10000-0x0000000077A12000-memory.dmp

Filesize
8KB

Download
memory/2624-54-0x0000000075C00000-0x0000000075C47000-memory.dmp

Filesize
284KB

Download
memory/2624-79-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-85-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-89-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-87-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-91-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

Download
memory/2624-109-0x0000000075C00000-0x0000000075C47000-memory.dmp

Filesize
284KB

Download
memory/2624-108-0x0000000000BB0000-0x0000000001130000-memory.dmp

Filesize
5.5MB

Download
memory/2624-107-0x0000000075480000-0x0000000075590000-memory.dmp

Filesize
1.1MB

Download
memory/2864-103-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-95-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-97-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-98-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-100-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-102-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-96-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-94-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-93-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-92-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-110-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2864-111-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download