lumma | 6fe08566aa76bce7b557f9d3d4501b5ca7b3cfda46188454a1199cda4d07316d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31/01/2025, 17:52

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General

Target

C8B4T_random.exe
Size

530KB
MD5

3e24b5c245488779f5e6d568a99fc0a9
SHA1

f7da8983de091aa10db6700631f860305e5263e5
SHA256

6fe08566aa76bce7b557f9d3d4501b5ca7b3cfda46188454a1199cda4d07316d
SHA512

909f3d5edb69d4709a95c46dd72d8fedc3c33a311ea95230ddf417b38739827cd6b416324faefafe7b8f3be2b30da0c2f4cb4041ffbfa105aa1040aad23080ab
SSDEEP

12288:CZkEb6EcwNbyhw+X9rKMGQkrXLfDR35dUlg:AbyhwwrTuXDDR3bUa

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

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 3028 set thread context of 1528	3028	C8B4T_random.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	3028	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	C8B4T_random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	C8B4T_random.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 1528	3028	C8B4T_random.exe	30
PID 3028 wrote to memory of 2128	3028	C8B4T_random.exe	31
PID 3028 wrote to memory of 2128	3028	C8B4T_random.exe	31
PID 3028 wrote to memory of 2128	3028	C8B4T_random.exe	31
PID 3028 wrote to memory of 2128	3028	C8B4T_random.exe	31

C:\Users\Admin\AppData\Local\Temp\C8B4T_random.exe
"C:\Users\Admin\AppData\Local\Temp\C8B4T_random.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\C8B4T_random.exe
  "C:\Users\Admin\AppData\Local\Temp\C8B4T_random.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 516
  2⤵
  - Program crash
  PID:2128

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

C:\Users\Admin\AppData\Local\Temp\CabE41A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE43C.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1528-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1528-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1528-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1528-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1528-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1528-5-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1528-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1528-14-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1528-3-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3028-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/3028-13-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-15-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-1-0x0000000000A20000-0x0000000000AAC000-memory.dmp

Filesize
560KB

Download