lumma | cdf7704604f602522cabff38f75509469d80e53cd8f9a716d1c4faa02bd36851

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 01:26

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General

Target

Setup.exe
Size

5.4MB
MD5

ad2735f096925010a53450cb4178c89e
SHA1

c6d65163c6315a642664f4eaec0fae9528549bfe
SHA256

4e775b5fafb4e6d89a4694f8694d2b8b540534bd4a52ff42f70095f1c929160e
SHA512

1868b22a7c5cba89545b06f010c09c5418b3d86039099d681eee9567c47208fdba3b89c6251cf03c964c58c805280d45ba9c3533125f6bd3e0bc067477e03ab9
SSDEEP

98304:o/zx+riUDpJowboU+XEsumY2XW6jBYeZ1ER:2x+riUDwUj12X1tY5

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://5ptit5tuded.cyou/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 7 IoCs

Processes:

msiexec.exe

flow pid process

3 2880 msiexec.exe
7 2880 msiexec.exe
9 2880 msiexec.exe
13 2880 msiexec.exe
17 2880 msiexec.exe
19 2880 msiexec.exe
21 2880 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.exe

description pid process target process

PID 876 set thread context of 2084 876 Setup.exe more.com

flow	pid	process
3	2880	msiexec.exe
7	2880	msiexec.exe
9	2880	msiexec.exe
13	2880	msiexec.exe
17	2880	msiexec.exe
19	2880	msiexec.exe
21	2880	msiexec.exe

description	pid	process	target process
PID 876 set thread context of 2084	876	Setup.exe	more.com

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

more.commsiexec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	more.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Setup.exemore.com

pid process

876 Setup.exe
876 Setup.exe
2084 more.com
2084 more.com
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Setup.exemore.com

pid process

876 Setup.exe
2084 more.com

pid	process
876	Setup.exe
876	Setup.exe
2084	more.com
2084	more.com

pid	process
876	Setup.exe
2084	more.com

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Setup.exemore.com

description	pid	process	target process
PID 876 wrote to memory of 2084	876	Setup.exe	more.com
PID 876 wrote to memory of 2084	876	Setup.exe	more.com
PID 876 wrote to memory of 2084	876	Setup.exe	more.com
PID 876 wrote to memory of 2084	876	Setup.exe	more.com
PID 876 wrote to memory of 2084	876	Setup.exe	more.com
PID 2084 wrote to memory of 2880	2084	more.com	msiexec.exe
PID 2084 wrote to memory of 2880	2084	more.com	msiexec.exe
PID 2084 wrote to memory of 2880	2084	more.com	msiexec.exe
PID 2084 wrote to memory of 2880	2084	more.com	msiexec.exe
PID 2084 wrote to memory of 2880	2084	more.com	msiexec.exe
PID 2084 wrote to memory of 2880	2084	more.com	msiexec.exe
PID 2084 wrote to memory of 2880	2084	more.com	msiexec.exe
PID 2084 wrote to memory of 2880	2084	more.com	msiexec.exe
PID 2084 wrote to memory of 2880	2084	more.com	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:876
- C:\Windows\SysWOW64\more.com
  C:\Windows\SysWOW64\more.com
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab1641.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1663.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\a60bddb1

Filesize
1.0MB

MD5
8f0d1f9ce1cbfcd2006ae8c8a4f74eb6

SHA1
fad99af7db653cc4ed821a53e6ad1379d28f6fbb

SHA256
1405b02dd1646124f24a5841772f489b9fa4f0387f9923736a8d06dadd7961ab

SHA512
7f3df0f274d4b4d434247e3965f3ac4d4a3ce9a7b9e3a951368f6844cfa036a0078a25e7825f389ebdf47a985c82f59865457fbd4746ee9aba75d8d178738368

Download Submit
memory/876-0-0x000007FEFECF0000-0x000007FEFFA78000-memory.dmp

Filesize
13.5MB

Download
memory/876-12-0x000007FEFED09000-0x000007FEFED0A000-memory.dmp

Filesize
4KB

Download
memory/876-13-0x000007FEFECF0000-0x000007FEFFA78000-memory.dmp

Filesize
13.5MB

Download
memory/876-14-0x000007FEFECF0000-0x000007FEFFA78000-memory.dmp

Filesize
13.5MB

Download
memory/2084-20-0x0000000076780000-0x00000000773CA000-memory.dmp

Filesize
12.3MB

Download
memory/2084-18-0x0000000076780000-0x00000000773CA000-memory.dmp

Filesize
12.3MB

Download
memory/2084-24-0x0000000076780000-0x00000000773CA000-memory.dmp

Filesize
12.3MB

Download
memory/2084-19-0x000000007678E000-0x0000000076790000-memory.dmp

Filesize
8KB

Download
memory/2084-17-0x0000000077C20000-0x0000000077DC9000-memory.dmp

Filesize
1.7MB

Download
memory/2880-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-25-0x0000000077C20000-0x0000000077DC9000-memory.dmp

Filesize
1.7MB

Download
memory/2880-26-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download