lumma | 773701c35bf50e38d499278a1e834a4f477666a3c25022fdc85f604e3fd149a3

General

Target

DZBSO_random.exe
Size

401KB
MD5

d40ed293c8cd36ded81af33174e3c75d
SHA1

82476c1dbf5d3a75dd4183bec748a2ef03a6d216
SHA256

773701c35bf50e38d499278a1e834a4f477666a3c25022fdc85f604e3fd149a3
SHA512

3d082c191b5872ea288eb888bea0387ad3b82d12750af831b0ecd8b078adcebe8f74906d92c898f3a23448fd2a12259edd5887c12e52904a3ef18c7b75a2b758
SSDEEP

6144:UC+dWXNwSrIkh98yeTpaQukHnh9CPoZ0l3nHDpWlfw/qP8B8wwN8JkQ:UQXNUkh9hQukHjvZ0lX+o/qPFwwCJJ

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://cultureddirtys.click/api

https://impolitewearr.biz/api

https://toppyneedus.biz/api

https://lightdeerysua.biz/api

https://suggestyuoz.biz/api

https://hoursuhouy.biz/api

https://mixedrecipew.biz/api

https://affordtempyo.biz/api

https://pleasedcfrown.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 2104 set thread context of 2284	2104	DZBSO_random.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2240	2104	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	DZBSO_random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DZBSO_random.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2284	2104	DZBSO_random.exe	30
PID 2104 wrote to memory of 2240	2104	DZBSO_random.exe	31
PID 2104 wrote to memory of 2240	2104	DZBSO_random.exe	31
PID 2104 wrote to memory of 2240	2104	DZBSO_random.exe	31
PID 2104 wrote to memory of 2240	2104	DZBSO_random.exe	31

C:\Users\Admin\AppData\Local\Temp\DZBSO_random.exe
"C:\Users\Admin\AppData\Local\Temp\DZBSO_random.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\DZBSO_random.exe
  "C:\Users\Admin\AppData\Local\Temp\DZBSO_random.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 516
  2⤵
  - Program crash
  PID:2240

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\Cab254E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar25CE.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2104-0-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2104-1-0x0000000000A70000-0x0000000000AD8000-memory.dmp

Filesize
416KB

Download
memory/2104-17-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-15-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2284-9-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2284-7-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2284-5-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2284-8-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2284-12-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2284-16-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2284-14-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2284-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2284-3-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

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