smokeloader | 7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56

Analysis

max time kernel
150s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
18-12-2022 20:48

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General

Target

7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe
Size

213KB
MD5

05ab6b167e3ebd16b557f5d8a87a8804
SHA1

9469b33c4409f536a049b66356f50a494b59c88c
SHA256

7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56
SHA512

c32de8bbec7a0fa4a1c21d60628940dad60004e2af89da0f5b6ea0eaf9a75ac934ee333929f336e17821afbaf7366657145d8211e1724bb83a6868f9fdc9c360
SSDEEP

3072:q6Ie5YLkxrkuKRgkoD1EDc170ulTUyx4nMMuNRAtOba+kbfZN5RjcbImdzmuX:RIeGLkBkzDWo6hyMMu0xzZ3RjcbXF

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 8 IoCs

resource	yara_rule
behavioral1/memory/2196-147-0x00000000001D0000-0x00000000001D9000-memory.dmp	family_smokeloader
behavioral1/memory/3292-150-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3292-151-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/3292-165-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3292-182-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2288-213-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/2288-245-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2288-246-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Executes dropped EXE 2 IoCs

pid	Process
3268	tevbitr
2288	tevbitr

Deletes itself 1 IoCs

pid	Process
2068	Process not Found

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 3292	2196	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe	66
PID 3268 set thread context of 2288	3268	tevbitr	68

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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tevbitr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tevbitr
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tevbitr

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3292	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe
3292	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found
2068	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2068	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3292	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe
2288	tevbitr

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2068	Process not Found
Token: SeCreatePagefilePrivilege	2068	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 3292	2196	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe	66
PID 2196 wrote to memory of 3292	2196	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe	66
PID 2196 wrote to memory of 3292	2196	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe	66
PID 2196 wrote to memory of 3292	2196	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe	66
PID 2196 wrote to memory of 3292	2196	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe	66
PID 2196 wrote to memory of 3292	2196	7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe	66
PID 3268 wrote to memory of 2288	3268	tevbitr	68
PID 3268 wrote to memory of 2288	3268	tevbitr	68
PID 3268 wrote to memory of 2288	3268	tevbitr	68
PID 3268 wrote to memory of 2288	3268	tevbitr	68
PID 3268 wrote to memory of 2288	3268	tevbitr	68
PID 3268 wrote to memory of 2288	3268	tevbitr	68

C:\Users\Admin\AppData\Local\Temp\7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe
"C:\Users\Admin\AppData\Local\Temp\7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe
  "C:\Users\Admin\AppData\Local\Temp\7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3292

C:\Users\Admin\AppData\Roaming\tevbitr
C:\Users\Admin\AppData\Roaming\tevbitr
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3268
- C:\Users\Admin\AppData\Roaming\tevbitr
  C:\Users\Admin\AppData\Roaming\tevbitr
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:2288

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\tevbitr

Filesize
213KB

MD5
05ab6b167e3ebd16b557f5d8a87a8804

SHA1
9469b33c4409f536a049b66356f50a494b59c88c

SHA256
7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56

SHA512
c32de8bbec7a0fa4a1c21d60628940dad60004e2af89da0f5b6ea0eaf9a75ac934ee333929f336e17821afbaf7366657145d8211e1724bb83a6868f9fdc9c360

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

Filesize
213KB

MD5
05ab6b167e3ebd16b557f5d8a87a8804

SHA1
9469b33c4409f536a049b66356f50a494b59c88c

SHA256
7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56

SHA512
c32de8bbec7a0fa4a1c21d60628940dad60004e2af89da0f5b6ea0eaf9a75ac934ee333929f336e17821afbaf7366657145d8211e1724bb83a6868f9fdc9c360

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

Filesize
213KB

MD5
05ab6b167e3ebd16b557f5d8a87a8804

SHA1
9469b33c4409f536a049b66356f50a494b59c88c

SHA256
7fb0c851b63a456e9eed918bf8f947c47b6e877e3e1c4a152d690313e3182d56

SHA512
c32de8bbec7a0fa4a1c21d60628940dad60004e2af89da0f5b6ea0eaf9a75ac934ee333929f336e17821afbaf7366657145d8211e1724bb83a6868f9fdc9c360

Download Submit
memory/2196-139-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-143-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-124-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-125-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-126-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-127-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-140-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-129-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-130-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-131-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-132-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-133-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-134-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-135-0x0000000000506000-0x0000000000516000-memory.dmp

Filesize
64KB

Download
memory/2196-136-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-137-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-138-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-141-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-128-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-123-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-120-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-142-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-144-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-145-0x0000000000460000-0x000000000050E000-memory.dmp

Filesize
696KB

Download
memory/2196-147-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/2196-146-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-148-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-149-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-122-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-121-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2288-245-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2288-246-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3268-220-0x00000000007C6000-0x00000000007D7000-memory.dmp

Filesize
68KB

Download
memory/3268-187-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3268-186-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3268-185-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3268-184-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3268-188-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3268-189-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-153-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-159-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-160-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-161-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-162-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-163-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-164-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-165-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3292-166-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-167-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-168-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-169-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-170-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-171-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-172-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-173-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-174-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-175-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-176-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-177-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-158-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-157-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-156-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-155-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-154-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-152-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-150-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3292-178-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-179-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-180-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-181-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/3292-182-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download