lumma | 22fbcd9bba70fe43ccd1f1ca55b79c1d74238b7a3cacbffad165fc07e70d832b

General

Target

Setup.exe
Size

70.3MB
MD5

9f255c59cb7291f7170e4418a649bd8e
SHA1

61ff59f20f18bd99847def7b88b3f8350d778de3
SHA256

22fbcd9bba70fe43ccd1f1ca55b79c1d74238b7a3cacbffad165fc07e70d832b
SHA512

07caf2a927878e94ecc89fd62fe5f565ee5d30d70d3080ad72f861dc3ca9cc60c3b885bcf90dae83e81866e3cca66a57468fac246ab676830d59143e2baf17af
SSDEEP

196608:FBRF28rm4cOYfGvAA7a94pHL9VvJYQ7AuvHGRoc7hwd0fkBST3C9Og:FBRE8tYevn29cLf7J

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://mysticriver.shop/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 4 IoCs

Processes:

msiexec.exe

flow pid process

3 1452 msiexec.exe
14 1452 msiexec.exe
16 1452 msiexec.exe
18 1452 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.exe

description pid process target process

PID 2312 set thread context of 2156 2312 Setup.exe more.com

flow	pid	process
3	1452	msiexec.exe
14	1452	msiexec.exe
16	1452	msiexec.exe
18	1452	msiexec.exe

description	pid	process	target process
PID 2312 set thread context of 2156	2312	Setup.exe	more.com

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

Processes:

msiexec.exeSetup.exemore.com

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Setup.exemore.com

pid process

2312 Setup.exe
2312 Setup.exe
2156 more.com
2156 more.com
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Setup.exemore.com

pid process

2312 Setup.exe
2156 more.com

pid	process
2312	Setup.exe
2312	Setup.exe
2156	more.com
2156	more.com

pid	process
2312	Setup.exe
2156	more.com

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Setup.exemore.com

description	pid	process	target process
PID 2312 wrote to memory of 2156	2312	Setup.exe	more.com
PID 2312 wrote to memory of 2156	2312	Setup.exe	more.com
PID 2312 wrote to memory of 2156	2312	Setup.exe	more.com
PID 2312 wrote to memory of 2156	2312	Setup.exe	more.com
PID 2312 wrote to memory of 2156	2312	Setup.exe	more.com
PID 2156 wrote to memory of 1452	2156	more.com	msiexec.exe
PID 2156 wrote to memory of 1452	2156	more.com	msiexec.exe
PID 2156 wrote to memory of 1452	2156	more.com	msiexec.exe
PID 2156 wrote to memory of 1452	2156	more.com	msiexec.exe
PID 2156 wrote to memory of 1452	2156	more.com	msiexec.exe
PID 2156 wrote to memory of 1452	2156	more.com	msiexec.exe
PID 2156 wrote to memory of 1452	2156	more.com	msiexec.exe
PID 2156 wrote to memory of 1452	2156	more.com	msiexec.exe
PID 2156 wrote to memory of 1452	2156	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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2312
- 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:2156
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\2b839b09

Filesize
1.2MB

MD5
047000e95690f931b9faadf4547ffd8a

SHA1
c14e015ba60f4cb90b983501805cf15a882a4614

SHA256
3d536fb5d4d3b7ad2d3ce4827e46703483cacc5214d8c2f4220bc8d47e5be7ec

SHA512
66357d43c0ccda8716e927e2fe50cad6c35285bec8d60a8d7b4d63160b800589b10e3846ddd1b1d9252364232cba1e523054b813c111f5f91f88ba67f9711870

Download Submit
C:\Users\Admin\AppData\Local\Temp\2bb1605d

Filesize
1.0MB

MD5
bfa65a6204bdc58ca1f5b842eb2a082b

SHA1
c70f80d332275b05d26719f313c8990a7c1bad4b

SHA256
7958a5906fd19138c7af2f3777bea24413bd8fefb078b42252a743a53e9b9f83

SHA512
67614e310de86bcfeffa24b6e1c3b6bbcba7f88617b64919bd272c64acbd87a79c3593578e5cbfeb94b06a6338eda43db9cc8255082c332a266b3f6d63d8caf4

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD396.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD407.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1452-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1452-23-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1452-22-0x00000000772E0000-0x0000000077489000-memory.dmp

Filesize
1.7MB

Download
memory/1452-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-13-0x0000000074190000-0x0000000074304000-memory.dmp

Filesize
1.5MB

Download
memory/2156-15-0x00000000772E0000-0x0000000077489000-memory.dmp

Filesize
1.7MB

Download
memory/2156-16-0x0000000074190000-0x0000000074304000-memory.dmp

Filesize
1.5MB

Download
memory/2156-17-0x0000000074190000-0x0000000074304000-memory.dmp

Filesize
1.5MB

Download
memory/2156-21-0x0000000074190000-0x0000000074304000-memory.dmp

Filesize
1.5MB

Download
memory/2312-0-0x00000000002E0000-0x0000000000DB4000-memory.dmp

Filesize
10.8MB

Download
memory/2312-12-0x0000000074190000-0x0000000074304000-memory.dmp

Filesize
1.5MB

Download
memory/2312-8-0x00000000741A3000-0x00000000741A5000-memory.dmp

Filesize
8KB

Download
memory/2312-9-0x0000000074190000-0x0000000074304000-memory.dmp

Filesize
1.5MB

Download
memory/2312-7-0x00000000772E0000-0x0000000077489000-memory.dmp

Filesize
1.7MB

Download
memory/2312-6-0x0000000074190000-0x0000000074304000-memory.dmp

Filesize
1.5MB

Download

Analysis

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