smokeloader | 1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920

Analysis

max time kernel
150s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
06-02-2023 19:27

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General

Target

1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
Size

301KB
MD5

da23ebe09ea965b9c9e4024f88bc6cb7
SHA1

b5612721405e62a797510e6aff60fbe826cb9e47
SHA256

1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920
SHA512

b02c4b8e4ce17d6f54c3d5eda875e4f2f4b0c2e884649dce39974e30661f053fd7457e99f250cc56f6650226caf51e1d45fde291ddda6858f95216bc9830b753
SSDEEP

6144:CXbZL31EHBMCTzk+E6aKBHUbdzuQj9Pua:CrZDLCY/BKBHUxljg

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4392-151-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4392-152-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4392-160-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4392-183-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4116-217-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/5056-224-0x00000000005F0000-0x00000000005F9000-memory.dmp	family_smokeloader
behavioral1/memory/4116-249-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4116-250-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

3036
Executes dropped EXE 2 IoCs

Processes:

drudfhudrudfhu

pid process

5056 drudfhu
4116 drudfhu

pid	process
3036

pid	process
5056	drudfhu
4116	drudfhu

Suspicious use of SetThreadContext 2 IoCs

Processes:

1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exedrudfhu

description	pid	process	target process
PID 2708 set thread context of 4392	2708	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
PID 5056 set thread context of 4116	5056	drudfhu	drudfhu

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

Processes:

drudfhu1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	drudfhu
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	drudfhu
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	drudfhu

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe

pid	process
4392	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
4392	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036
3036

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3036
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exedrudfhu

pid process

4392 1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
4116 drudfhu
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 3036
Token: SeCreatePagefilePrivilege 3036

pid	process
3036

description	pid	process
Token: SeShutdownPrivilege	3036
Token: SeCreatePagefilePrivilege	3036

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exedrudfhu

description	pid	process	target process
PID 2708 wrote to memory of 4392	2708	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
PID 2708 wrote to memory of 4392	2708	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
PID 2708 wrote to memory of 4392	2708	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
PID 2708 wrote to memory of 4392	2708	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
PID 2708 wrote to memory of 4392	2708	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
PID 2708 wrote to memory of 4392	2708	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe	1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
PID 5056 wrote to memory of 4116	5056	drudfhu	drudfhu
PID 5056 wrote to memory of 4116	5056	drudfhu	drudfhu
PID 5056 wrote to memory of 4116	5056	drudfhu	drudfhu
PID 5056 wrote to memory of 4116	5056	drudfhu	drudfhu
PID 5056 wrote to memory of 4116	5056	drudfhu	drudfhu
PID 5056 wrote to memory of 4116	5056	drudfhu	drudfhu

C:\Users\Admin\AppData\Local\Temp\1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
"C:\Users\Admin\AppData\Local\Temp\1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2708

C:\Users\Admin\AppData\Local\Temp\1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe
"C:\Users\Admin\AppData\Local\Temp\1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4392

C:\Users\Admin\AppData\Roaming\drudfhu
C:\Users\Admin\AppData\Roaming\drudfhu
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5056

C:\Users\Admin\AppData\Roaming\drudfhu
C:\Users\Admin\AppData\Roaming\drudfhu
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4116

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\drudfhu
Filesize
301KB

MD5
da23ebe09ea965b9c9e4024f88bc6cb7

SHA1
b5612721405e62a797510e6aff60fbe826cb9e47

SHA256
1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920

SHA512
b02c4b8e4ce17d6f54c3d5eda875e4f2f4b0c2e884649dce39974e30661f053fd7457e99f250cc56f6650226caf51e1d45fde291ddda6858f95216bc9830b753

Download Submit
C:\Users\Admin\AppData\Roaming\drudfhu
Filesize
301KB

MD5
da23ebe09ea965b9c9e4024f88bc6cb7

SHA1
b5612721405e62a797510e6aff60fbe826cb9e47

SHA256
1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920

SHA512
b02c4b8e4ce17d6f54c3d5eda875e4f2f4b0c2e884649dce39974e30661f053fd7457e99f250cc56f6650226caf51e1d45fde291ddda6858f95216bc9830b753

Download Submit
C:\Users\Admin\AppData\Roaming\drudfhu
Filesize
301KB

MD5
da23ebe09ea965b9c9e4024f88bc6cb7

SHA1
b5612721405e62a797510e6aff60fbe826cb9e47

SHA256
1326252a704ad1afb5c5ced7bc278a11a5940e0f07e6940d318ec342877d9920

SHA512
b02c4b8e4ce17d6f54c3d5eda875e4f2f4b0c2e884649dce39974e30661f053fd7457e99f250cc56f6650226caf51e1d45fde291ddda6858f95216bc9830b753

Download Submit
memory/2708-119-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-120-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-121-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-122-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-123-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-124-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-125-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-126-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-127-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-128-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-129-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-130-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-131-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-132-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-133-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-134-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-135-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-136-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-137-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-138-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-140-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-141-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-142-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-139-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-144-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-145-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-146-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-147-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-148-0x00000000005A0000-0x00000000006EA000-memory.dmp

Filesize
1.3MB

Download
memory/2708-150-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-149-0x00000000004D0000-0x000000000057E000-memory.dmp

Filesize
696KB

Download
memory/4116-217-0x0000000000402DD8-mapping.dmp

Download
memory/4116-249-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4116-250-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4392-153-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-171-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-154-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-155-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-156-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-157-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-158-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-159-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-161-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-162-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-160-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4392-163-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-164-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-165-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-166-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-167-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-168-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-169-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-170-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-152-0x0000000000402DD8-mapping.dmp

Download
memory/4392-172-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-173-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-174-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-175-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-176-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-177-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-178-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-179-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-180-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-181-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-182-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/4392-183-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4392-151-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5056-186-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/5056-187-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/5056-188-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/5056-189-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/5056-185-0x0000000077BF0000-0x0000000077D7E000-memory.dmp

Filesize
1.6MB

Download
memory/5056-224-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download