smokeloader | 78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a

Analysis

max time kernel
151s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
04-03-2023 17:25

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General

Target

78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a.exe
Size

181KB
MD5

ea1c1109d75b12a3bda3e308c3dd8960
SHA1

417b5f689cdb85829e4bdd1b5ef97de9aa96c2e0
SHA256

78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a
SHA512

ff345a5250b1d753d9802a8932bf5f497add0cfd017b530f942ab488b22a9b38c0c9027d9ec61a2fa026a44a28db732bb6643658f17d8ed8da6361f983002d19
SSDEEP

3072:Pn3xqHXBBgXfGYVDkBkM+OovzlsRIPXgeNja/JI0Kx:J2XngXf9aBGjzlsRIPweNUC0K

Score

10^/10

smokeloader backdoor spyware stealer trojan

Malware Config

Extracted

Family

smokeloader

Version

2022

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

http://yic0oosaeiy7ahng.com/

http://wa5zu7sekai8xeih.com/

rc4.i32

Signatures

Detects Smokeloader packer 1 IoCs

resource	yara_rule
behavioral1/memory/1260-134-0x00000000006D0000-0x00000000006D9000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
4380	E37F.exe

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2136	4380	WerFault.exe	94

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1260	78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a.exe
1260	78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a.exe
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
732	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
1260	78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a.exe
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found
732	Process not Found

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	732	Process not Found
Token: SeCreatePagefilePrivilege	732	Process not Found

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 4380	732	Process not Found	94
PID 732 wrote to memory of 4380	732	Process not Found	94
PID 732 wrote to memory of 4380	732	Process not Found	94
PID 732 wrote to memory of 4564	732	Process not Found	95
PID 732 wrote to memory of 4564	732	Process not Found	95
PID 732 wrote to memory of 4564	732	Process not Found	95
PID 732 wrote to memory of 4564	732	Process not Found	95
PID 732 wrote to memory of 4728	732	Process not Found	96
PID 732 wrote to memory of 4728	732	Process not Found	96
PID 732 wrote to memory of 4728	732	Process not Found	96
PID 732 wrote to memory of 1892	732	Process not Found	97
PID 732 wrote to memory of 1892	732	Process not Found	97
PID 732 wrote to memory of 1892	732	Process not Found	97
PID 732 wrote to memory of 1892	732	Process not Found	97
PID 732 wrote to memory of 3960	732	Process not Found	98
PID 732 wrote to memory of 3960	732	Process not Found	98
PID 732 wrote to memory of 3960	732	Process not Found	98
PID 732 wrote to memory of 548	732	Process not Found	99
PID 732 wrote to memory of 548	732	Process not Found	99
PID 732 wrote to memory of 548	732	Process not Found	99
PID 732 wrote to memory of 548	732	Process not Found	99
PID 732 wrote to memory of 5048	732	Process not Found	103
PID 732 wrote to memory of 5048	732	Process not Found	103
PID 732 wrote to memory of 5048	732	Process not Found	103
PID 732 wrote to memory of 5048	732	Process not Found	103
PID 732 wrote to memory of 2908	732	Process not Found	104
PID 732 wrote to memory of 2908	732	Process not Found	104
PID 732 wrote to memory of 2908	732	Process not Found	104
PID 732 wrote to memory of 2908	732	Process not Found	104
PID 732 wrote to memory of 3664	732	Process not Found	105
PID 732 wrote to memory of 3664	732	Process not Found	105
PID 732 wrote to memory of 3664	732	Process not Found	105
PID 732 wrote to memory of 1280	732	Process not Found	108
PID 732 wrote to memory of 1280	732	Process not Found	108
PID 732 wrote to memory of 1280	732	Process not Found	108
PID 732 wrote to memory of 1280	732	Process not Found	108

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\78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a.exe
"C:\Users\Admin\AppData\Local\Temp\78e426a4a1152fcd664359dc397c34d8ad637725dafe18ef262a9f700e0bdf7a.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1260

C:\Users\Admin\AppData\Local\Temp\E37F.exe
C:\Users\Admin\AppData\Local\Temp\E37F.exe
1⤵
- Executes dropped EXE
PID:4380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 288
  2⤵
  - Program crash
  PID:2136

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4564

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4728

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1892

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3960

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4380 -ip 4380
1⤵
PID:3412

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:5048

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

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3664

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\E37F.exe

Filesize
180KB

MD5
60b55a03146e3388672a9578fa5626a9

SHA1
f59712dde5092fe6d2fccbf421b387abf9dfcfb5

SHA256
bf021a868b03fa52ae398181b986f44784c734daafb0aaca8aee6d810bf08b9b

SHA512
87ea61e46abbd0f0c30b98084a4b500b777a2cb3462f667c04d46ecbc67e743b339cbc8ad369c0f02f43e4035a814266a7121e39c40a01aaf451c3dd85c30d34

Download Submit
C:\Users\Admin\AppData\Local\Temp\E37F.exe

Filesize
180KB

MD5
60b55a03146e3388672a9578fa5626a9

SHA1
f59712dde5092fe6d2fccbf421b387abf9dfcfb5

SHA256
bf021a868b03fa52ae398181b986f44784c734daafb0aaca8aee6d810bf08b9b

SHA512
87ea61e46abbd0f0c30b98084a4b500b777a2cb3462f667c04d46ecbc67e743b339cbc8ad369c0f02f43e4035a814266a7121e39c40a01aaf451c3dd85c30d34

Download Submit
memory/548-164-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/548-163-0x0000000000490000-0x00000000004B7000-memory.dmp

Filesize
156KB

Download
memory/548-165-0x0000000000490000-0x00000000004B7000-memory.dmp

Filesize
156KB

Download
memory/732-135-0x0000000001200000-0x0000000001216000-memory.dmp

Filesize
88KB

Download
memory/1260-136-0x0000000000400000-0x0000000000571000-memory.dmp

Filesize
1.4MB

Download
memory/1260-134-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download
memory/1280-176-0x0000000000780000-0x000000000078B000-memory.dmp

Filesize
44KB

Download
memory/1280-177-0x0000000000780000-0x000000000078B000-memory.dmp

Filesize
44KB

Download
memory/1280-183-0x0000000000620000-0x000000000062D000-memory.dmp

Filesize
52KB

Download
memory/1892-158-0x0000000001410000-0x0000000001419000-memory.dmp

Filesize
36KB

Download
memory/1892-159-0x0000000000310000-0x000000000031F000-memory.dmp

Filesize
60KB

Download
memory/1892-160-0x0000000001410000-0x0000000001419000-memory.dmp

Filesize
36KB

Download
memory/1892-180-0x0000000000310000-0x000000000031F000-memory.dmp

Filesize
60KB

Download
memory/2908-172-0x0000000000690000-0x000000000069B000-memory.dmp

Filesize
44KB

Download
memory/2908-171-0x0000000001410000-0x0000000001419000-memory.dmp

Filesize
36KB

Download
memory/2908-170-0x0000000000690000-0x000000000069B000-memory.dmp

Filesize
44KB

Download
memory/3664-173-0x0000000000620000-0x000000000062D000-memory.dmp

Filesize
52KB

Download
memory/3664-175-0x0000000000620000-0x000000000062D000-memory.dmp

Filesize
52KB

Download
memory/3664-174-0x0000000000690000-0x000000000069B000-memory.dmp

Filesize
44KB

Download
memory/3960-161-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/3960-181-0x0000000001410000-0x0000000001419000-memory.dmp

Filesize
36KB

Download
memory/3960-162-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/4380-155-0x00000000006D0000-0x00000000006D8000-memory.dmp

Filesize
32KB

Download
memory/4380-169-0x0000000000400000-0x0000000000571000-memory.dmp

Filesize
1.4MB

Download
memory/4380-156-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/4564-151-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download
memory/4564-152-0x0000000000850000-0x000000000085B000-memory.dmp

Filesize
44KB

Download
memory/4564-178-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download
memory/4564-150-0x0000000000850000-0x000000000085B000-memory.dmp

Filesize
44KB

Download
memory/4728-154-0x0000000000310000-0x000000000031F000-memory.dmp

Filesize
60KB

Download
memory/4728-179-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/4728-157-0x0000000000310000-0x000000000031F000-memory.dmp

Filesize
60KB

Download
memory/5048-168-0x0000000001410000-0x0000000001419000-memory.dmp

Filesize
36KB

Download
memory/5048-167-0x0000000000490000-0x00000000004B7000-memory.dmp

Filesize
156KB

Download
memory/5048-166-0x0000000001410000-0x0000000001419000-memory.dmp

Filesize
36KB

Download
memory/5048-182-0x0000000000490000-0x00000000004B7000-memory.dmp

Filesize
156KB

Download