lumma | 3f4b288335a86c908e015d254715d6fb9838f729e13aa3c06e53792ddaf59cad

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 08:48

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General

Target
Sample/Setup.exe
Size 1.2MB
Sample241119-kqlncstdkj
SHA256 588cb61b36a001384a2833bd5df8d7982ca79d6ae17a3d83a94e01b1e79684bd
MD5 b84dfabe933d1160f624693d94779ce5
SHA1 ac0133c09708fe4a3c626e3ba4cdf44d3a0e065f
SHA512 eeaeef8d6b5fa02dedf9818babaa4b5ffdb87300521883aa290289dcc720b3d543279085ed3fc649b74654143e678502e56eb3f92c4baf53c075977de33c1b0e
SSDEEP 12288:RWiPQmboElHjsxc93LwnfXlP0CT7T4ir7XFXTqlj02F:5Qrat3knTvT4yDpqlj/F
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://processhol.sbs/api
https://p10tgrace.sbs/api
https://peepburry828.sbs/api
https://p3ar11fter.sbs/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 12 IoCs

flow	pid	Process
3	2916	msiexec.exe
5	2916	msiexec.exe
7	2916	msiexec.exe
9	2916	msiexec.exe
11	2916	msiexec.exe
13	2916	msiexec.exe
15	2916	msiexec.exe
17	2916	msiexec.exe
19	2916	msiexec.exe
21	2916	msiexec.exe
23	2916	msiexec.exe
25	2916	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2800 set thread context of 2880	2800	Setup.exe	30

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

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

pid	Process
2800	Setup.exe
2800	Setup.exe
2880	more.com
2880	more.com

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2800	Setup.exe
2880	more.com

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2880	2800	Setup.exe	30
PID 2800 wrote to memory of 2880	2800	Setup.exe	30
PID 2800 wrote to memory of 2880	2800	Setup.exe	30
PID 2800 wrote to memory of 2880	2800	Setup.exe	30
PID 2800 wrote to memory of 2880	2800	Setup.exe	30
PID 2880 wrote to memory of 2916	2880	more.com	32
PID 2880 wrote to memory of 2916	2880	more.com	32
PID 2880 wrote to memory of 2916	2880	more.com	32
PID 2880 wrote to memory of 2916	2880	more.com	32
PID 2880 wrote to memory of 2916	2880	more.com	32
PID 2880 wrote to memory of 2916	2880	more.com	32
PID 2880 wrote to memory of 2916	2880	more.com	32
PID 2880 wrote to memory of 2916	2880	more.com	32
PID 2880 wrote to memory of 2916	2880	more.com	32

C:\Users\Admin\AppData\Local\Temp\Sample\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Sample\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2800
- 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:2880
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    PID:2916

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

Replay Monitor

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Downloads

58fecff5

Path C:\Users\Admin\AppData\Local\Temp\58fecff5
Size 1.0MB
SHA256 39d686a929563c61681c0bd84a3e6e429ce3af1323b2de8c3c1d4ec08ad4fd35
MD5 7504d649a641db042789ae051461adf0
SHA1 c426feb8d18a4a44a70f73ada00e746443fee677
SHA512 8d266f7d8175663b67f689109b79a346f9915ee16f5b8df74cc9e1acda9080820866cf58c2cd5cbfad34e820a5c97782a70d896387ae9946cf675dbc4aa9d901
SSDEEP 24576:0FCdEr/vL7i5MMrLz80NZiVdVAof5kPtCLUGIwduSCqwRtQ:0FCdmBCU/dVraPYYKduxdXQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

CabEB99.tmp

Path C:\Users\Admin\AppData\Local\Temp\CabEB99.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

TarEBBB.tmp

Path C:\Users\Admin\AppData\Local\Temp\TarEBBB.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2800-0-0x000007FEF5D20000-0x000007FEF626E000-memory.dmp

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memory/2800-1-0x000007FEFDEC0000-0x000007FEFEC48000-memory.dmp

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memory/2800-13-0x000007FEFDED9000-0x000007FEFDEDA000-memory.dmp

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memory/2800-14-0x000007FEFDEC0000-0x000007FEFEC48000-memory.dmp

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memory/2800-18-0x000007FEFDEC0000-0x000007FEFEC48000-memory.dmp

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memory/2880-20-0x0000000076270000-0x0000000076EBA000-memory.dmp

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memory/2880-22-0x0000000076270000-0x0000000076EBA000-memory.dmp

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memory/2880-26-0x0000000076270000-0x0000000076EBA000-memory.dmp

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memory/2880-21-0x000000007627E000-0x0000000076280000-memory.dmp

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memory/2880-19-0x00000000774D0000-0x0000000077679000-memory.dmp

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memory/2916-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2916-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2916-27-0x00000000774D0000-0x0000000077679000-memory.dmp

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memory/2916-62-0x0000000000400000-0x000000000045B000-memory.dmp

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