smokeloader | ee34d9e169ae3453ca6d4281688790d1bf7c70c028cf95c11ef3a022df6ab7dd

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
15-02-2023 08:16

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General

Target

8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf.exe
Size

193KB
MD5

00b11743b1d6c9babf479b7a028d26a8
SHA1

2f55cc18c4afc152ce876c9163b388a49ae86ada
SHA256

8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf
SHA512

f3e909aa322cb2322dcda1cf7eea2e0cf1b6b02df2416397e66482fd618f2c497b1e70fb163b4a13cc3660d0a107f87d9fcf5963da3a394464b8927344fa3a86
SSDEEP

3072:vjNIjmLt5zqz5aejIDiCL7fOhoeWS9fAMzLE05IaihOPusa:9LnqsHiCLmNfAYKn

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

resource	yara_rule
behavioral2/memory/4656-133-0x0000000000900000-0x0000000000909000-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
3484	48FB.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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	8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4656	8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf.exe
4656	8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf.exe
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
684	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
4656	8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf.exe
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found
684	Process not Found

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 3484	684	Process not Found	88
PID 684 wrote to memory of 3484	684	Process not Found	88
PID 684 wrote to memory of 3856	684	Process not Found	89
PID 684 wrote to memory of 3856	684	Process not Found	89
PID 684 wrote to memory of 3856	684	Process not Found	89
PID 684 wrote to memory of 3856	684	Process not Found	89
PID 684 wrote to memory of 3820	684	Process not Found	90
PID 684 wrote to memory of 3820	684	Process not Found	90
PID 684 wrote to memory of 3820	684	Process not Found	90
PID 684 wrote to memory of 4676	684	Process not Found	91
PID 684 wrote to memory of 4676	684	Process not Found	91
PID 684 wrote to memory of 4676	684	Process not Found	91
PID 684 wrote to memory of 4676	684	Process not Found	91
PID 684 wrote to memory of 4524	684	Process not Found	92
PID 684 wrote to memory of 4524	684	Process not Found	92
PID 684 wrote to memory of 4524	684	Process not Found	92
PID 684 wrote to memory of 5084	684	Process not Found	93
PID 684 wrote to memory of 5084	684	Process not Found	93
PID 684 wrote to memory of 5084	684	Process not Found	93
PID 684 wrote to memory of 5084	684	Process not Found	93
PID 684 wrote to memory of 4072	684	Process not Found	94
PID 684 wrote to memory of 4072	684	Process not Found	94
PID 684 wrote to memory of 4072	684	Process not Found	94
PID 684 wrote to memory of 4072	684	Process not Found	94
PID 684 wrote to memory of 1308	684	Process not Found	95
PID 684 wrote to memory of 1308	684	Process not Found	95
PID 684 wrote to memory of 1308	684	Process not Found	95
PID 684 wrote to memory of 1308	684	Process not Found	95
PID 684 wrote to memory of 1236	684	Process not Found	96
PID 684 wrote to memory of 1236	684	Process not Found	96
PID 684 wrote to memory of 1236	684	Process not Found	96
PID 684 wrote to memory of 1960	684	Process not Found	97
PID 684 wrote to memory of 1960	684	Process not Found	97
PID 684 wrote to memory of 1960	684	Process not Found	97
PID 684 wrote to memory of 1960	684	Process not Found	97

C:\Users\Admin\AppData\Local\Temp\8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf.exe
"C:\Users\Admin\AppData\Local\Temp\8d0be4a59646b05eddd1523bcec11a6189320c2e3d826e1d0c4afd7219f719cf.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4656

C:\Users\Admin\AppData\Local\Temp\48FB.exe
C:\Users\Admin\AppData\Local\Temp\48FB.exe
1⤵
- Executes dropped EXE
PID:3484

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3856

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3820

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4676

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4524

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:5084

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4072

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1308

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1236

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\48FB.exe

Filesize
4KB

MD5
9748489855d9dd82ab09da5e3e55b19e

SHA1
6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

SHA256
05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

SHA512
7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

Download Submit
C:\Users\Admin\AppData\Local\Temp\48FB.exe

Filesize
4KB

MD5
9748489855d9dd82ab09da5e3e55b19e

SHA1
6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

SHA256
05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

SHA512
7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

Download Submit
memory/1236-174-0x0000000000750000-0x0000000000757000-memory.dmp

Filesize
28KB

Download
memory/1236-162-0x0000000000000000-mapping.dmp

Download
memory/1236-163-0x0000000000750000-0x0000000000757000-memory.dmp

Filesize
28KB

Download
memory/1236-164-0x0000000000740000-0x000000000074D000-memory.dmp

Filesize
52KB

Download
memory/1308-159-0x0000000000000000-mapping.dmp

Download
memory/1308-160-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/1308-173-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/1308-161-0x0000000000510000-0x000000000051B000-memory.dmp

Filesize
44KB

Download
memory/1960-167-0x0000000000E70000-0x0000000000E7B000-memory.dmp

Filesize
44KB

Download
memory/1960-166-0x0000000000E80000-0x0000000000E88000-memory.dmp

Filesize
32KB

Download
memory/1960-165-0x0000000000000000-mapping.dmp

Download
memory/1960-175-0x0000000000E80000-0x0000000000E88000-memory.dmp

Filesize
32KB

Download
memory/3484-140-0x00007FFE1BE10000-0x00007FFE1C8D1000-memory.dmp

Filesize
10.8MB

Download
memory/3484-139-0x0000000000330000-0x0000000000338000-memory.dmp

Filesize
32KB

Download
memory/3484-136-0x0000000000000000-mapping.dmp

Download
memory/3820-144-0x0000000000000000-mapping.dmp

Download
memory/3820-145-0x0000000000EA0000-0x0000000000EA9000-memory.dmp

Filesize
36KB

Download
memory/3820-146-0x0000000000E90000-0x0000000000E9F000-memory.dmp

Filesize
60KB

Download
memory/3820-169-0x0000000000EA0000-0x0000000000EA9000-memory.dmp

Filesize
36KB

Download
memory/3856-143-0x0000000000BE0000-0x0000000000BEB000-memory.dmp

Filesize
44KB

Download
memory/3856-142-0x0000000000BF0000-0x0000000000BF7000-memory.dmp

Filesize
28KB

Download
memory/3856-141-0x0000000000000000-mapping.dmp

Download
memory/3856-168-0x0000000000BF0000-0x0000000000BF7000-memory.dmp

Filesize
28KB

Download
memory/4072-172-0x00000000009D0000-0x00000000009D5000-memory.dmp

Filesize
20KB

Download
memory/4072-156-0x0000000000000000-mapping.dmp

Download
memory/4072-157-0x00000000009D0000-0x00000000009D5000-memory.dmp

Filesize
20KB

Download
memory/4072-158-0x00000000009C0000-0x00000000009C9000-memory.dmp

Filesize
36KB

Download
memory/4524-152-0x0000000000CE0000-0x0000000000CEC000-memory.dmp

Filesize
48KB

Download
memory/4524-150-0x0000000000000000-mapping.dmp

Download
memory/4524-151-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/4656-135-0x0000000000400000-0x000000000074E000-memory.dmp

Filesize
3.3MB

Download
memory/4656-134-0x0000000000400000-0x000000000074E000-memory.dmp

Filesize
3.3MB

Download
memory/4656-132-0x00000000007BF000-0x00000000007D5000-memory.dmp

Filesize
88KB

Download
memory/4656-133-0x0000000000900000-0x0000000000909000-memory.dmp

Filesize
36KB

Download
memory/4676-148-0x0000000000AA0000-0x0000000000AA5000-memory.dmp

Filesize
20KB

Download
memory/4676-147-0x0000000000000000-mapping.dmp

Download
memory/4676-170-0x0000000000AA0000-0x0000000000AA5000-memory.dmp

Filesize
20KB

Download
memory/4676-149-0x0000000000A90000-0x0000000000A99000-memory.dmp

Filesize
36KB

Download
memory/5084-171-0x0000000000D80000-0x0000000000DA2000-memory.dmp

Filesize
136KB

Download
memory/5084-154-0x0000000000D80000-0x0000000000DA2000-memory.dmp

Filesize
136KB

Download
memory/5084-153-0x0000000000000000-mapping.dmp

Download
memory/5084-155-0x0000000000D50000-0x0000000000D77000-memory.dmp

Filesize
156KB

Download