lumma | 8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb

Analysis

max time kernel
154s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
23-03-2023 10:33

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General

Target

8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe
Size

252KB
MD5

30dff4ca5ae2f6fc6527525b00ba0d02
SHA1

3942098b1b0773b2c5efe442ab2ff16e07bf7a67
SHA256

8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb
SHA512

60f16fc7ab840699148d71cacb74dbe06c2c16ef31a4cd4b320030a41ab1e479957cf221c77d9fd3c119ebc7daa682735598c25963722021cbd92aaabaa3d250
SSDEEP

6144:1JhY/LfIc/shtaSEIe6WYPB6Hdbr/k+sAO:5Y/Mc/sRwYpUrFI

Score

10^/10

lumma smokeloader sprg backdoor discovery spyware stealer trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

http://yic0oosaeiy7ahng.com/

http://wa5zu7sekai8xeih.com/

rc4.i32

Signatures

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

426.exe

pid process

3452 426.exe
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3496 3452 WerFault.exe 426.exe

pid	process
3452	426.exe

pid	pid_target	process	target process
3496	3452	WerFault.exe	426.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe

Modifies registry class 2 IoCs

Processes:

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe

pid	process
2352	8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe
2352	8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3140

pid	process
3140

Suspicious behavior: MapViewOfSection 19 IoCs

Processes:

8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe

pid	process
2352	8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140
3140

Suspicious use of AdjustPrivilegeToken 30 IoCs

Processes:

description	pid	process
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140
Token: SeShutdownPrivilege	3140
Token: SeCreatePagefilePrivilege	3140

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

description	pid	target process
PID 3140 wrote to memory of 3452	3140	426.exe
PID 3140 wrote to memory of 3452	3140	426.exe
PID 3140 wrote to memory of 3452	3140	426.exe
PID 3140 wrote to memory of 3688	3140	explorer.exe
PID 3140 wrote to memory of 3688	3140	explorer.exe
PID 3140 wrote to memory of 3688	3140	explorer.exe
PID 3140 wrote to memory of 3688	3140	explorer.exe
PID 3140 wrote to memory of 1208	3140	explorer.exe
PID 3140 wrote to memory of 1208	3140	explorer.exe
PID 3140 wrote to memory of 1208	3140	explorer.exe
PID 3140 wrote to memory of 3620	3140	explorer.exe
PID 3140 wrote to memory of 3620	3140	explorer.exe
PID 3140 wrote to memory of 3620	3140	explorer.exe
PID 3140 wrote to memory of 3620	3140	explorer.exe
PID 3140 wrote to memory of 4688	3140	explorer.exe
PID 3140 wrote to memory of 4688	3140	explorer.exe
PID 3140 wrote to memory of 4688	3140	explorer.exe
PID 3140 wrote to memory of 4116	3140	explorer.exe
PID 3140 wrote to memory of 4116	3140	explorer.exe
PID 3140 wrote to memory of 4116	3140	explorer.exe
PID 3140 wrote to memory of 4116	3140	explorer.exe
PID 3140 wrote to memory of 2908	3140	explorer.exe
PID 3140 wrote to memory of 2908	3140	explorer.exe
PID 3140 wrote to memory of 2908	3140	explorer.exe
PID 3140 wrote to memory of 2908	3140	explorer.exe
PID 3140 wrote to memory of 4752	3140	explorer.exe
PID 3140 wrote to memory of 4752	3140	explorer.exe
PID 3140 wrote to memory of 4752	3140	explorer.exe
PID 3140 wrote to memory of 4752	3140	explorer.exe
PID 3140 wrote to memory of 2020	3140	explorer.exe
PID 3140 wrote to memory of 2020	3140	explorer.exe
PID 3140 wrote to memory of 2020	3140	explorer.exe
PID 3140 wrote to memory of 2396	3140	explorer.exe
PID 3140 wrote to memory of 2396	3140	explorer.exe
PID 3140 wrote to memory of 2396	3140	explorer.exe
PID 3140 wrote to memory of 2396	3140	explorer.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe
"C:\Users\Admin\AppData\Local\Temp\8516369997ae4be2ced8003eb839166eb94b0be52ebfaaaf6d6347e2e3b4afdb.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2352

C:\Users\Admin\AppData\Local\Temp\426.exe
C:\Users\Admin\AppData\Local\Temp\426.exe
1⤵
- Executes dropped EXE
PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 844
2⤵
- Program crash
PID:3496

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3688

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1208

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3620

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4688

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4116

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2908

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4752

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2020

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3452 -ip 3452
1⤵
PID:4196

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\426.exe
Filesize
902KB

MD5
d1babdc16a0dd6025463f3c048ce5bb5

SHA1
8474997c5516d414e727c4200992bf0b1bd21b54

SHA256
efb3453dac4145a51a0cd316ada7b45a5f09d338265a256b46bfa1bb3427915d

SHA512
b52140a1d798818bb9a37ff486746290956a386e65c67cc459da6fd6bbbc1e29fc4c57a6b3c86be337f3e77eff037b133826d36dfbfa70e21ff08d09b46dd939

Download Submit
C:\Users\Admin\AppData\Local\Temp\426.exe
Filesize
902KB

MD5
d1babdc16a0dd6025463f3c048ce5bb5

SHA1
8474997c5516d414e727c4200992bf0b1bd21b54

SHA256
efb3453dac4145a51a0cd316ada7b45a5f09d338265a256b46bfa1bb3427915d

SHA512
b52140a1d798818bb9a37ff486746290956a386e65c67cc459da6fd6bbbc1e29fc4c57a6b3c86be337f3e77eff037b133826d36dfbfa70e21ff08d09b46dd939

Download Submit
memory/1208-199-0x0000000004900000-0x0000000004A21000-memory.dmp

Filesize
1.1MB

Download
memory/1208-176-0x0000000000B60000-0x0000000000B6F000-memory.dmp

Filesize
60KB

Download
memory/1208-175-0x0000000004900000-0x0000000004A21000-memory.dmp

Filesize
1.1MB

Download
memory/1208-171-0x0000000000B60000-0x0000000000B6F000-memory.dmp

Filesize
60KB

Download
memory/2020-194-0x0000000000FE0000-0x0000000000FED000-memory.dmp

Filesize
52KB

Download
memory/2020-219-0x0000000001090000-0x000000000109B000-memory.dmp

Filesize
44KB

Download
memory/2020-193-0x0000000001090000-0x000000000109B000-memory.dmp

Filesize
44KB

Download
memory/2020-192-0x0000000000FE0000-0x0000000000FED000-memory.dmp

Filesize
52KB

Download
memory/2352-134-0x00000000009A0000-0x00000000009A9000-memory.dmp

Filesize
36KB

Download
memory/2352-137-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2396-197-0x00000000012B0000-0x00000000012BB000-memory.dmp

Filesize
44KB

Download
memory/2396-196-0x0000000000FE0000-0x0000000000FED000-memory.dmp

Filesize
52KB

Download
memory/2396-195-0x00000000012B0000-0x00000000012BB000-memory.dmp

Filesize
44KB

Download
memory/2908-218-0x0000000001090000-0x00000000010B7000-memory.dmp

Filesize
156KB

Download
memory/2908-187-0x0000000001090000-0x0000000001099000-memory.dmp

Filesize
36KB

Download
memory/2908-188-0x0000000001090000-0x0000000001099000-memory.dmp

Filesize
36KB

Download
memory/3140-202-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-142-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-156-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-160-0x00000000087E0000-0x00000000087F0000-memory.dmp

Filesize
64KB

Download
memory/3140-149-0x00000000087E0000-0x00000000087F0000-memory.dmp

Filesize
64KB

Download
memory/3140-141-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-277-0x0000000002D10000-0x0000000002D19000-memory.dmp

Filesize
36KB

Download
memory/3140-140-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-172-0x00000000087E0000-0x00000000087F0000-memory.dmp

Filesize
64KB

Download
memory/3140-276-0x0000000002D50000-0x0000000002D53000-memory.dmp

Filesize
12KB

Download
memory/3140-151-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-139-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-150-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-275-0x0000000002D40000-0x0000000002D42000-memory.dmp

Filesize
8KB

Download
memory/3140-178-0x00000000087E0000-0x00000000087F0000-memory.dmp

Filesize
64KB

Download
memory/3140-248-0x00000000046F0000-0x00000000046FB000-memory.dmp

Filesize
44KB

Download
memory/3140-241-0x00000000046F0000-0x00000000046FB000-memory.dmp

Filesize
44KB

Download
memory/3140-203-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-237-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-236-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-235-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-234-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-233-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-154-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-153-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-232-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-231-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-230-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-152-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-201-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-147-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-146-0x00000000087E0000-0x00000000087F0000-memory.dmp

Filesize
64KB

Download
memory/3140-216-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-229-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-228-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-135-0x0000000002E70000-0x0000000002E86000-memory.dmp

Filesize
88KB

Download
memory/3140-200-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-155-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-148-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-240-0x00000000046E0000-0x00000000046E2000-memory.dmp

Filesize
8KB

Download
memory/3140-204-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-205-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-206-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-207-0x0000000003180000-0x000000000318C000-memory.dmp

Filesize
48KB

Download
memory/3140-208-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-209-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-210-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-211-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-212-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-213-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-214-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-215-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-145-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-217-0x0000000003180000-0x000000000318B000-memory.dmp

Filesize
44KB

Download
memory/3140-143-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-144-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-227-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-225-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-226-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3140-224-0x0000000007DB0000-0x0000000007DC0000-memory.dmp

Filesize
64KB

Download
memory/3452-221-0x0000000000400000-0x0000000002C0F000-memory.dmp

Filesize
40.1MB

Download
memory/3452-222-0x0000000000400000-0x0000000002C0F000-memory.dmp

Filesize
40.1MB

Download
memory/3452-220-0x0000000000400000-0x0000000002C0F000-memory.dmp

Filesize
40.1MB

Download
memory/3452-174-0x0000000004900000-0x0000000004A21000-memory.dmp

Filesize
1.1MB

Download
memory/3452-198-0x0000000000400000-0x0000000002C0F000-memory.dmp

Filesize
40.1MB

Download
memory/3620-177-0x0000000000F60000-0x0000000000F69000-memory.dmp

Filesize
36KB

Download
memory/3620-179-0x0000000000B60000-0x0000000000B6F000-memory.dmp

Filesize
60KB

Download
memory/3620-180-0x0000000000F60000-0x0000000000F69000-memory.dmp

Filesize
36KB

Download
memory/3688-169-0x00000000006D0000-0x00000000006DB000-memory.dmp

Filesize
44KB

Download
memory/3688-173-0x00000000006D0000-0x00000000006DB000-memory.dmp

Filesize
44KB

Download
memory/4116-186-0x0000000001090000-0x00000000010B7000-memory.dmp

Filesize
156KB

Download
memory/4116-185-0x0000000000EC0000-0x0000000000ECC000-memory.dmp

Filesize
48KB

Download
memory/4116-184-0x0000000001090000-0x00000000010B7000-memory.dmp

Filesize
156KB

Download
memory/4688-181-0x0000000000EC0000-0x0000000000ECC000-memory.dmp

Filesize
48KB

Download
memory/4688-182-0x0000000000F60000-0x0000000000F69000-memory.dmp

Filesize
36KB

Download
memory/4688-183-0x0000000000EC0000-0x0000000000ECC000-memory.dmp

Filesize
48KB

Download
memory/4752-189-0x0000000001090000-0x000000000109B000-memory.dmp

Filesize
44KB

Download
memory/4752-190-0x0000000001090000-0x0000000001099000-memory.dmp

Filesize
36KB

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memory/4752-191-0x0000000001090000-0x000000000109B000-memory.dmp

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44KB

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