lumma | b782dae2d00f935788f0714d0e337fcb2fa600318797d1beb19ab375d2f1d4b5

General

Target

Software v1.24 loader.exe
Size

358KB
MD5

1823de12344b81e105789735a943930f
SHA1

a56cda80deda56bf74d9529e1726bbd21d04b901
SHA256

56e899e77fb35360261e78bf32ebb8fdf9bb6ed91226ccb4bc5debc3bde03b89
SHA512

ccd33be3b33368e3f6be146f826dbe0fe2521c20b9d4a40faac6bddd2a7df01871bea9a9c8bf8ba98b672ff0a2b0dfb68689401c148f3f396af232b57a6cd88a
SSDEEP

6144:UxaP9gTq/3UXdY4TIYegMEgTR9xj20wsSQ87Ar88Hn3ggBaIA+hMwibOPk:UIPKTq/EtYmRegOw0wsnO2n6+hnRPk

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

https://fancywaxxers.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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/2328-1-0x0000000000F50000-0x0000000000FB2000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2572	2328	Software v1.24 loader.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1100	2328	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	Software v1.24 loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Software v1.24 loader.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 2572	2328	Software v1.24 loader.exe	31
PID 2328 wrote to memory of 1100	2328	Software v1.24 loader.exe	32
PID 2328 wrote to memory of 1100	2328	Software v1.24 loader.exe	32
PID 2328 wrote to memory of 1100	2328	Software v1.24 loader.exe	32
PID 2328 wrote to memory of 1100	2328	Software v1.24 loader.exe	32

C:\Users\Admin\AppData\Local\Temp\Software v1.24 loader.exe
"C:\Users\Admin\AppData\Local\Temp\Software v1.24 loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\Software v1.24 loader.exe
  "C:\Users\Admin\AppData\Local\Temp\Software v1.24 loader.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 68
  2⤵
  - Program crash
  PID:1100

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\CabD7F9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD81C.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2328-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x0000000000F50000-0x0000000000FB2000-memory.dmp

Filesize
392KB

Download
memory/2328-20-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2328-18-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2572-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2572-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2572-5-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2572-19-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2572-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2572-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2572-13-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-15-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2572-17-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download

Analysis

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