smokeloader | e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d

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
26/10/2022, 23:38

Sharing

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General

Target

e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe
Size

218KB
MD5

ee84a9e9cc6ff7f200a85849c38b9db8
SHA1

56cd517e6e9262269f4187729ac5b00b5e1ea5ef
SHA256

e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d
SHA512

7b811e3e39b98a340b28ae99cc632c3c989b549a718ca1eb2f9a4974f385a7973e546ad39b4f454bbc338de645c0dc53e0759bacc4f597c78a84766ff735f506
SSDEEP

3072:n4xJ/pwy90JAOULLoL43JXdbBtRK67xvf55xfSomA5ZKDkAGEv5/HRiC9J5nrx:4x/79fLJDRKUxvKkidRiC9J5r

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 8 IoCs

resource	yara_rule
behavioral1/memory/4996-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4996-145-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4996-163-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4996-176-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1812-208-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4260-214-0x00000000001E0000-0x00000000001E9000-memory.dmp	family_smokeloader
behavioral1/memory/1812-240-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1812-241-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Executes dropped EXE 2 IoCs

pid	Process
4260	cajesbg
1812	cajesbg

Deletes itself 1 IoCs

pid	Process
3144	Process not Found

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 4996	2896	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe	67
PID 4260 set thread context of 1812	4260	cajesbg	69

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	cajesbg
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cajesbg
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cajesbg
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4996	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe
4996	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3144	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4996	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe
1812	cajesbg

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3144	Process not Found
Token: SeCreatePagefilePrivilege	3144	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 4996	2896	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe	67
PID 2896 wrote to memory of 4996	2896	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe	67
PID 2896 wrote to memory of 4996	2896	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe	67
PID 2896 wrote to memory of 4996	2896	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe	67
PID 2896 wrote to memory of 4996	2896	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe	67
PID 2896 wrote to memory of 4996	2896	e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe	67
PID 4260 wrote to memory of 1812	4260	cajesbg	69
PID 4260 wrote to memory of 1812	4260	cajesbg	69
PID 4260 wrote to memory of 1812	4260	cajesbg	69
PID 4260 wrote to memory of 1812	4260	cajesbg	69
PID 4260 wrote to memory of 1812	4260	cajesbg	69
PID 4260 wrote to memory of 1812	4260	cajesbg	69

C:\Users\Admin\AppData\Local\Temp\e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe
"C:\Users\Admin\AppData\Local\Temp\e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe
  "C:\Users\Admin\AppData\Local\Temp\e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4996

C:\Users\Admin\AppData\Roaming\cajesbg
C:\Users\Admin\AppData\Roaming\cajesbg
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Users\Admin\AppData\Roaming\cajesbg
  C:\Users\Admin\AppData\Roaming\cajesbg
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:1812

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\cajesbg

Filesize
218KB

MD5
ee84a9e9cc6ff7f200a85849c38b9db8

SHA1
56cd517e6e9262269f4187729ac5b00b5e1ea5ef

SHA256
e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d

SHA512
7b811e3e39b98a340b28ae99cc632c3c989b549a718ca1eb2f9a4974f385a7973e546ad39b4f454bbc338de645c0dc53e0759bacc4f597c78a84766ff735f506

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

Filesize
218KB

MD5
ee84a9e9cc6ff7f200a85849c38b9db8

SHA1
56cd517e6e9262269f4187729ac5b00b5e1ea5ef

SHA256
e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d

SHA512
7b811e3e39b98a340b28ae99cc632c3c989b549a718ca1eb2f9a4974f385a7973e546ad39b4f454bbc338de645c0dc53e0759bacc4f597c78a84766ff735f506

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

Filesize
218KB

MD5
ee84a9e9cc6ff7f200a85849c38b9db8

SHA1
56cd517e6e9262269f4187729ac5b00b5e1ea5ef

SHA256
e785cb1ed3438760c311b66ebe467822838808ea8f6ff07c9a4fcc708b31b74d

SHA512
7b811e3e39b98a340b28ae99cc632c3c989b549a718ca1eb2f9a4974f385a7973e546ad39b4f454bbc338de645c0dc53e0759bacc4f597c78a84766ff735f506

Download Submit
memory/1812-241-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1812-240-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2896-136-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-139-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-122-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-124-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-125-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-126-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-127-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-128-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-129-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-130-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-132-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-133-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-134-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-135-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-116-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-137-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-138-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-121-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-140-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-141-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-143-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-142-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-117-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-118-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-119-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-123-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-120-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4260-214-0x00000000001E0000-0x00000000001E9000-memory.dmp

Filesize
36KB

Download
memory/4260-179-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4260-180-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4260-178-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4260-183-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4260-181-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4260-184-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4260-182-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-149-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-153-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-154-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-151-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-150-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-160-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-161-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-159-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-162-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-164-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-165-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-166-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-163-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4996-167-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-170-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-169-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-168-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-172-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-173-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-156-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-157-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-158-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-155-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-152-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-147-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-148-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-146-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4996-174-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-171-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-175-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/4996-176-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download