smokeloader | 0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2022, 15:08

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General

Target

0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe
Size

284KB
MD5

12dc0d9202646100a23b481c1de6c853
SHA1

3912823917834982ceed3f71b2c019f216cc1445
SHA256

0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce
SHA512

4a81d63060939b160ef87b38167037212821fb0979627890c037e63776987356648ced2f2b8a69d0be12b7a642b6a13cd926589df51acf624e0ea3250cc524ad
SSDEEP

6144:ggK1+bceAPG5sQW5pQMAXuzbgwuO0BefuwVfg3L:g9Y6EWKunnwBeK3

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 6 IoCs

resource	yara_rule
behavioral1/memory/4216-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1232-135-0x00000000005A0000-0x00000000005A9000-memory.dmp	family_smokeloader
behavioral1/memory/4216-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4216-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1924-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1924-145-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Executes dropped EXE 2 IoCs

pid	Process
3460	gjwaaeu
1924	gjwaaeu

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 4216	1232	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe	86
PID 3460 set thread context of 1924	3460	gjwaaeu	92

Checks SCSI registry key(s) 3 TTPs 6 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	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	gjwaaeu
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	gjwaaeu
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	gjwaaeu

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4216	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe
4216	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
760	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4216	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe
1924	gjwaaeu

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	760	Process not Found
Token: SeCreatePagefilePrivilege	760	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 4216	1232	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe	86
PID 1232 wrote to memory of 4216	1232	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe	86
PID 1232 wrote to memory of 4216	1232	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe	86
PID 1232 wrote to memory of 4216	1232	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe	86
PID 1232 wrote to memory of 4216	1232	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe	86
PID 1232 wrote to memory of 4216	1232	0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe	86
PID 3460 wrote to memory of 1924	3460	gjwaaeu	92
PID 3460 wrote to memory of 1924	3460	gjwaaeu	92
PID 3460 wrote to memory of 1924	3460	gjwaaeu	92
PID 3460 wrote to memory of 1924	3460	gjwaaeu	92
PID 3460 wrote to memory of 1924	3460	gjwaaeu	92
PID 3460 wrote to memory of 1924	3460	gjwaaeu	92

C:\Users\Admin\AppData\Local\Temp\0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe
"C:\Users\Admin\AppData\Local\Temp\0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe
  "C:\Users\Admin\AppData\Local\Temp\0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4216

C:\Users\Admin\AppData\Roaming\gjwaaeu
C:\Users\Admin\AppData\Roaming\gjwaaeu
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Roaming\gjwaaeu
  C:\Users\Admin\AppData\Roaming\gjwaaeu
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:1924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\gjwaaeu

Filesize
284KB

MD5
12dc0d9202646100a23b481c1de6c853

SHA1
3912823917834982ceed3f71b2c019f216cc1445

SHA256
0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce

SHA512
4a81d63060939b160ef87b38167037212821fb0979627890c037e63776987356648ced2f2b8a69d0be12b7a642b6a13cd926589df51acf624e0ea3250cc524ad

Download Submit
C:\Users\Admin\AppData\Roaming\gjwaaeu

Filesize
284KB

MD5
12dc0d9202646100a23b481c1de6c853

SHA1
3912823917834982ceed3f71b2c019f216cc1445

SHA256
0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce

SHA512
4a81d63060939b160ef87b38167037212821fb0979627890c037e63776987356648ced2f2b8a69d0be12b7a642b6a13cd926589df51acf624e0ea3250cc524ad

Download Submit
C:\Users\Admin\AppData\Roaming\gjwaaeu

Filesize
284KB

MD5
12dc0d9202646100a23b481c1de6c853

SHA1
3912823917834982ceed3f71b2c019f216cc1445

SHA256
0c3340f1466da545f49e0b41d1da4309e2cae1c21433cbf8262fde76efa29dce

SHA512
4a81d63060939b160ef87b38167037212821fb0979627890c037e63776987356648ced2f2b8a69d0be12b7a642b6a13cd926589df51acf624e0ea3250cc524ad

Download Submit
memory/1232-135-0x00000000005A0000-0x00000000005A9000-memory.dmp

Filesize
36KB

Download
memory/1232-134-0x000000000064F000-0x000000000065F000-memory.dmp

Filesize
64KB

Download
memory/1924-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1924-145-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3460-143-0x000000000057E000-0x000000000058F000-memory.dmp

Filesize
68KB

Download
memory/4216-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4216-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4216-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download