lumma | 98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca

General

Target

98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe
Size

542KB
MD5

e04cc63088de2a198eb6949c04192308
SHA1

baf8ce53165a920239e5479e132d4c386b80a35a
SHA256

98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca
SHA512

fb439969161ce00969e602deb45997ce223303d7052ad549407f4b6a459381216aac1bedcd54922744a0ab4675cd373b7e1ed092835ec9420a28ca3e2522fe79
SSDEEP

12288:1ZkEb6EcwNbyLnm8+PkXhPXLzLLdBk8xUJUb3NG/16gV:7byLnuMJ7zLLdqkUWbdU1n

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://toppyneedus.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1576 set thread context of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2820	1576	WerFault.exe	29

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	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2444	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	30
PID 1576 wrote to memory of 2820	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	31
PID 1576 wrote to memory of 2820	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	31
PID 1576 wrote to memory of 2820	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	31
PID 1576 wrote to memory of 2820	1576	98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe	31

C:\Users\Admin\AppData\Local\Temp\98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe
"C:\Users\Admin\AppData\Local\Temp\98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Users\Admin\AppData\Local\Temp\98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe
  "C:\Users\Admin\AppData\Local\Temp\98ef325c758b118d34f5c30f73e88a0372cd21683e17cb67ec72a8417cf496ca.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 516
  2⤵
  - Program crash
  PID:2820

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\CabC4F6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC518.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1576-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/1576-1-0x0000000000C60000-0x0000000000CF0000-memory.dmp

Filesize
576KB

Download
memory/1576-51-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/1576-15-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2444-9-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2444-8-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2444-7-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2444-14-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2444-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2444-16-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2444-12-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2444-5-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2444-3-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download

Analysis

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