lumma | 4d32ddb39b6096074c350ffe16e0ec3f59e73df506d7c01cfa07e7c8dfbc5c95

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06/10/2024, 13:19

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General

Target

f2e7fcb20146.exe
Size

502KB
MD5

11e25ff3bcdad4cb5b8ff0a0020da60d
SHA1

2e3b65c9148c651be59a33e25a897d54e49b27ec
SHA256

4d32ddb39b6096074c350ffe16e0ec3f59e73df506d7c01cfa07e7c8dfbc5c95
SHA512

c07f6c82f1c460b516bd16425d2e550bcdda67c56707c2fd0a8f004b65a8f84fe8279858284a44fc8fe5de83116af66b5e3bf48941b01c5ca927b8fe81ab6c38
SSDEEP

12288:wPK66Zit6HFsR5LvzqwtdVSuG7n55hrKo:wKFitOO1vzqwnVSuG7n5/x

Score

10^/10

lumma stealc default credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://46.8.231.109

Attributes

url_path
/c4754d4f680ead72.php

Extracted

Family

lumma

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1992	AdminHCAAEGIJKE.exe

Loads dropped DLL 3 IoCs

pid	Process
2568	MSBuild.exe
2568	MSBuild.exe
2684	cmd.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 2568	2500	f2e7fcb20146.exe	30
PID 1992 set thread context of 1088	1992	AdminHCAAEGIJKE.exe	36

System Location Discovery: System Language Discovery 1 TTPs 5 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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f2e7fcb20146.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdminHCAAEGIJKE.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2568	MSBuild.exe
2568	MSBuild.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2500 wrote to memory of 2568	2500	f2e7fcb20146.exe	30
PID 2568 wrote to memory of 2684	2568	MSBuild.exe	33
PID 2568 wrote to memory of 2684	2568	MSBuild.exe	33
PID 2568 wrote to memory of 2684	2568	MSBuild.exe	33
PID 2568 wrote to memory of 2684	2568	MSBuild.exe	33
PID 2684 wrote to memory of 1992	2684	cmd.exe	35
PID 2684 wrote to memory of 1992	2684	cmd.exe	35
PID 2684 wrote to memory of 1992	2684	cmd.exe	35
PID 2684 wrote to memory of 1992	2684	cmd.exe	35
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36
PID 1992 wrote to memory of 1088	1992	AdminHCAAEGIJKE.exe	36

C:\Users\Admin\AppData\Local\Temp\f2e7fcb20146.exe
"C:\Users\Admin\AppData\Local\Temp\f2e7fcb20146.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminHCAAEGIJKE.exe"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Users\AdminHCAAEGIJKE.exe
      "C:\Users\AdminHCAAEGIJKE.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1992
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\AdminHCAAEGIJKE.exe

Filesize
547KB

MD5
6def89e659b0e414010d57a4a92881f8

SHA1
4786214990e27fac8208e79e8e4e5d99010c3441

SHA256
b262c671d9ba5ffcd32c34d13f33b87cf1039640cc813e318a35f0f2a3db2161

SHA512
91456704fab46cf253e066efbf0894b167a7d998ec8184865c21f68e9146ac5079425a90032cf764468502f3124273fa9e68d4b1cf5040043de59409c22f98cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab171B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar173D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1088-88-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1088-85-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1088-80-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1088-79-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1088-83-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1088-87-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1088-81-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1088-82-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1992-78-0x0000000000344000-0x0000000000345000-memory.dmp

Filesize
4KB

Download
memory/2500-0-0x0000000000D59000-0x0000000000D5A000-memory.dmp

Filesize
4KB

Download
memory/2568-11-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2568-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2568-13-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2568-10-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2568-7-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2568-1-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2568-2-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2568-4-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2568-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-9-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2568-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2568-123-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download