lumma | 26aef5d7a04b6c28cde24cf66b51d5139ad26c9eabab9bc846c533adb56a00d4

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31/01/2025, 17:36

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General

Target

random.exe
Size

1.8MB
MD5

8529e0feffbac67bc084b9f6560b82bc
SHA1

4cc84d5132031b96e0501ee564caebdc0db1b176
SHA256

26aef5d7a04b6c28cde24cf66b51d5139ad26c9eabab9bc846c533adb56a00d4
SHA512

6c0fabb61f97c423015e149c97d1bf7aa4891408c1445449c803929701405731cda3db56dff014b68f4ada01e89f60fe81fcdc2781d42e68327f082fb6ffec60
SSDEEP

24576:72PreLKduORIHs1h3ywYiXKx9HzQdUxH2FrTf1d/oZy7L2F4vWasNFrxZa5hjyhx:726L7Q3yTJDvxWxrJ7iF4vCNZa5TOa

Score

10^/10

lumma defense_evasion discovery stealer

Malware Config

Extracted

Family

lumma

https://toppyneedus.biz/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	random.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\SystemBiosVersion	random.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	random.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.

defense_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	random.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1872	random.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	random.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1872	random.exe

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab9E83.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9EA5.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1872-0-0x00000000009F0000-0x0000000000EB3000-memory.dmp

Filesize
4.8MB

Download
memory/1872-1-0x00000000777E0000-0x00000000777E2000-memory.dmp

Filesize
8KB

Download
memory/1872-2-0x00000000009F1000-0x0000000000A1A000-memory.dmp

Filesize
164KB

Download
memory/1872-3-0x00000000009F0000-0x0000000000EB3000-memory.dmp

Filesize
4.8MB

Download
memory/1872-4-0x00000000009F0000-0x0000000000EB3000-memory.dmp

Filesize
4.8MB

Download
memory/1872-39-0x00000000009F0000-0x0000000000EB3000-memory.dmp

Filesize
4.8MB

Download
memory/1872-40-0x00000000009F0000-0x0000000000EB3000-memory.dmp

Filesize
4.8MB

Download