smokeloader | d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff

Analysis

max time kernel
150s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2022 23:35

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General

Target

d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
Size

147KB
MD5

11476edbf2adb575d589845f5e47bf8f
SHA1

fe7c2f767adccef80fe0839610877acbc222612b
SHA256

d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff
SHA512

028d68fec130c30455afaebd5b03617f16d0e28d232171943cca24f2e776e12b527b8c4c3e2c127567cd35f2b1a2232df12b42f0a8e103bb2c871c085769435b
SSDEEP

3072:ltRdQbHZhfz5SBJ+3nK66PtyTWOhbuIVU5IO:LkFSH+V6lkWmbN8I

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1792-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4724-135-0x0000000000710000-0x0000000000719000-memory.dmp	family_smokeloader
behavioral1/memory/1792-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1792-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe

description	pid	process	target process
PID 4724 set thread context of 1792	4724	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe

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

Processes:

d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe

pid	process
1792	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
1792	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe

pid process

1792 d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe

pid	process
2712

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe

description	pid	process	target process
PID 4724 wrote to memory of 1792	4724	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
PID 4724 wrote to memory of 1792	4724	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
PID 4724 wrote to memory of 1792	4724	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
PID 4724 wrote to memory of 1792	4724	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
PID 4724 wrote to memory of 1792	4724	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
PID 4724 wrote to memory of 1792	4724	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe	d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe

C:\Users\Admin\AppData\Local\Temp\d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
"C:\Users\Admin\AppData\Local\Temp\d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4724

C:\Users\Admin\AppData\Local\Temp\d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe
"C:\Users\Admin\AppData\Local\Temp\d7ec22d8507fbb86e9e8e64289823fc644dfd288f72bb6e481f00e68a90046ff.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1792

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

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Downloads

memory/1792-132-0x0000000000000000-mapping.dmp

Download
memory/1792-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1792-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1792-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4724-134-0x000000000086E000-0x000000000087F000-memory.dmp

Filesize
68KB

Download
memory/4724-135-0x0000000000710000-0x0000000000719000-memory.dmp

Filesize
36KB

Download