lumma | 27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a

Analysis

max time kernel
96s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 02:25

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General

Target

27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
Size

1.8MB
MD5

62b0972debc28c978b60cdc3d8654e36
SHA1

639e84e6ad995b796afd315854b2975403f44019
SHA256

27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a
SHA512

4cef8fd0acc070d8704ad9cfcb0e1f1df273a514b18a92f7907892e0a053e2695460e57453e84068739c500f0b9032af309f551cb75b2f4bc52f970b291788f6
SSDEEP

49152:5idxW/+91QTjizfU75bod4nHW4h9L+hDQNLGP96KMc:Cx6+91e9PDp+hyg94

Score

10^/10

lumma stealc stok discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Signatures

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

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	SZ7LFKEIUKWE1KS49HIH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	SZ7LFKEIUKWE1KS49HIH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	SZ7LFKEIUKWE1KS49HIH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	SZ7LFKEIUKWE1KS49HIH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	SZ7LFKEIUKWE1KS49HIH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	SZ7LFKEIUKWE1KS49HIH.exe

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	SZ7LFKEIUKWE1KS49HIH.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	AUO4PZUVRMO9DYJZA1NR.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 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	SZ7LFKEIUKWE1KS49HIH.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SZ7LFKEIUKWE1KS49HIH.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	AUO4PZUVRMO9DYJZA1NR.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AUO4PZUVRMO9DYJZA1NR.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe

Executes dropped EXE 2 IoCs

pid	Process
548	SZ7LFKEIUKWE1KS49HIH.exe
1628	AUO4PZUVRMO9DYJZA1NR.exe

Identifies Wine through registry keys 2 TTPs 3 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	SZ7LFKEIUKWE1KS49HIH.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	AUO4PZUVRMO9DYJZA1NR.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	SZ7LFKEIUKWE1KS49HIH.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	SZ7LFKEIUKWE1KS49HIH.exe

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

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
548	SZ7LFKEIUKWE1KS49HIH.exe
1628	AUO4PZUVRMO9DYJZA1NR.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 3 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	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SZ7LFKEIUKWE1KS49HIH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AUO4PZUVRMO9DYJZA1NR.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
548	SZ7LFKEIUKWE1KS49HIH.exe
548	SZ7LFKEIUKWE1KS49HIH.exe
1628	AUO4PZUVRMO9DYJZA1NR.exe
1628	AUO4PZUVRMO9DYJZA1NR.exe
548	SZ7LFKEIUKWE1KS49HIH.exe
548	SZ7LFKEIUKWE1KS49HIH.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	548	SZ7LFKEIUKWE1KS49HIH.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 548	3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe	92
PID 3976 wrote to memory of 548	3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe	92
PID 3976 wrote to memory of 548	3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe	92
PID 3976 wrote to memory of 1628	3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe	93
PID 3976 wrote to memory of 1628	3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe	93
PID 3976 wrote to memory of 1628	3976	27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe	93

C:\Users\Admin\AppData\Local\Temp\27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
"C:\Users\Admin\AppData\Local\Temp\27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.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
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Users\Admin\AppData\Local\Temp\SZ7LFKEIUKWE1KS49HIH.exe
  "C:\Users\Admin\AppData\Local\Temp\SZ7LFKEIUKWE1KS49HIH.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Windows security modification
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:548
- C:\Users\Admin\AppData\Local\Temp\AUO4PZUVRMO9DYJZA1NR.exe
  "C:\Users\Admin\AppData\Local\Temp\AUO4PZUVRMO9DYJZA1NR.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1628

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 Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AUO4PZUVRMO9DYJZA1NR.exe

Filesize
2.8MB

MD5
dfc4ac821d77ac74e88a8d6806f3b381

SHA1
328c4646185f83623b64acc275314337cb8507af

SHA256
f1fa0545bde183d84cb9b24d6635ffb5ab98bd398659e92adcbb5dc90064531d

SHA512
5aee1cf473a623a0b6c659a337d1960e395d67c94fc54a230b9b70936f2ad2bf983547f9c76e13ff20c37fb34dd8185cd8e5d96979f91f9749626e6fa902a2fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\SZ7LFKEIUKWE1KS49HIH.exe

Filesize
1.7MB

MD5
5ee16489ab5a0d6cf49a20e9fdae3681

SHA1
b531e0dd6cf1ec02f0bebf334e0a8ca286a12cf3

SHA256
85e590af5f8e19dd85fd3471dcffb1ea1fa0f6cc3084ef50c6b44f02244e1075

SHA512
e923a07668fc965eed5adc066cb1991ce8517bd633348da37f7ae32c46624ef29d3d9d8145bbcad9b2112304387a8b348fe37deb700c384b0185595f64a48bfe

Download Submit
memory/548-28-0x0000000000420000-0x000000000088E000-memory.dmp

Filesize
4.4MB

Download
memory/548-24-0x0000000000420000-0x000000000088E000-memory.dmp

Filesize
4.4MB

Download
memory/548-15-0x0000000000420000-0x000000000088E000-memory.dmp

Filesize
4.4MB

Download
memory/548-14-0x0000000000420000-0x000000000088E000-memory.dmp

Filesize
4.4MB

Download
memory/548-13-0x0000000000420000-0x000000000088E000-memory.dmp

Filesize
4.4MB

Download
memory/1628-23-0x0000000000780000-0x0000000000C82000-memory.dmp

Filesize
5.0MB

Download
memory/1628-21-0x0000000000780000-0x0000000000C82000-memory.dmp

Filesize
5.0MB

Download
memory/3976-4-0x0000000000670000-0x0000000000B0D000-memory.dmp

Filesize
4.6MB

Download
memory/3976-8-0x0000000000670000-0x0000000000B0D000-memory.dmp

Filesize
4.6MB

Download
memory/3976-7-0x0000000000670000-0x0000000000B0D000-memory.dmp

Filesize
4.6MB

Download
memory/3976-6-0x0000000000670000-0x0000000000B0D000-memory.dmp

Filesize
4.6MB

Download
memory/3976-5-0x0000000000670000-0x0000000000B0D000-memory.dmp

Filesize
4.6MB

Download
memory/3976-0-0x0000000000670000-0x0000000000B0D000-memory.dmp

Filesize
4.6MB

Download
memory/3976-22-0x0000000000670000-0x0000000000B0D000-memory.dmp

Filesize
4.6MB

Download
memory/3976-3-0x0000000000670000-0x0000000000B0D000-memory.dmp

Filesize
4.6MB

Download
memory/3976-2-0x0000000000671000-0x0000000000696000-memory.dmp

Filesize
148KB

Download
memory/3976-1-0x0000000077194000-0x0000000077196000-memory.dmp

Filesize
8KB

Download