smokeloader | e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42

Analysis

max time kernel
150s
max time network
67s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
25/10/2022, 06:18

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General

Target

e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe
Size

229KB
MD5

75b129efba766abef7bac9c9f93ff161
SHA1

d3c0ba36f342adbc28b54eec26eb3a390825c2f0
SHA256

e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42
SHA512

a9b855d346dce37c7c66c93a5e88c51707d0add846d76b74702cd6bb913188665ec6d72f336de8e889b3df0a3236757900637a20396bf7a4506ba6d6e8e9073a
SSDEEP

3072:4XkkaLffcRoY5tP08EaEH5Y7XeKLwjpmSdhAl:MJaLMRocP0tGXvMg0hAl

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 7 IoCs

resource	yara_rule
behavioral1/memory/1476-150-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1476-151-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/1476-164-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1476-182-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1732-214-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/3064-219-0x0000000002C80000-0x0000000002C89000-memory.dmp	family_smokeloader
behavioral1/memory/1732-246-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Executes dropped EXE 2 IoCs

pid	Process
3064	wirfvcw
1732	wirfvcw

Deletes itself 1 IoCs

pid	Process
2192	Process not Found

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4192 set thread context of 1476	4192	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe	66
PID 3064 set thread context of 1732	3064	wirfvcw	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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wirfvcw
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wirfvcw
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wirfvcw

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1476	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe
1476	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found
2192	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2192	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1476	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe
1732	wirfvcw

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2192	Process not Found
Token: SeCreatePagefilePrivilege	2192	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 1476	4192	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe	66
PID 4192 wrote to memory of 1476	4192	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe	66
PID 4192 wrote to memory of 1476	4192	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe	66
PID 4192 wrote to memory of 1476	4192	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe	66
PID 4192 wrote to memory of 1476	4192	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe	66
PID 4192 wrote to memory of 1476	4192	e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe	66
PID 3064 wrote to memory of 1732	3064	wirfvcw	68
PID 3064 wrote to memory of 1732	3064	wirfvcw	68
PID 3064 wrote to memory of 1732	3064	wirfvcw	68
PID 3064 wrote to memory of 1732	3064	wirfvcw	68
PID 3064 wrote to memory of 1732	3064	wirfvcw	68
PID 3064 wrote to memory of 1732	3064	wirfvcw	68

C:\Users\Admin\AppData\Local\Temp\e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe
"C:\Users\Admin\AppData\Local\Temp\e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Users\Admin\AppData\Local\Temp\e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe
  "C:\Users\Admin\AppData\Local\Temp\e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1476

C:\Users\Admin\AppData\Roaming\wirfvcw
C:\Users\Admin\AppData\Roaming\wirfvcw
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Roaming\wirfvcw
  C:\Users\Admin\AppData\Roaming\wirfvcw
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:1732

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\wirfvcw

Filesize
229KB

MD5
75b129efba766abef7bac9c9f93ff161

SHA1
d3c0ba36f342adbc28b54eec26eb3a390825c2f0

SHA256
e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42

SHA512
a9b855d346dce37c7c66c93a5e88c51707d0add846d76b74702cd6bb913188665ec6d72f336de8e889b3df0a3236757900637a20396bf7a4506ba6d6e8e9073a

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

Filesize
229KB

MD5
75b129efba766abef7bac9c9f93ff161

SHA1
d3c0ba36f342adbc28b54eec26eb3a390825c2f0

SHA256
e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42

SHA512
a9b855d346dce37c7c66c93a5e88c51707d0add846d76b74702cd6bb913188665ec6d72f336de8e889b3df0a3236757900637a20396bf7a4506ba6d6e8e9073a

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

Filesize
229KB

MD5
75b129efba766abef7bac9c9f93ff161

SHA1
d3c0ba36f342adbc28b54eec26eb3a390825c2f0

SHA256
e6e6756d136326a962178dd6a6103389dca970ef016735c45aa5e44bf9076b42

SHA512
a9b855d346dce37c7c66c93a5e88c51707d0add846d76b74702cd6bb913188665ec6d72f336de8e889b3df0a3236757900637a20396bf7a4506ba6d6e8e9073a

Download Submit
memory/1476-175-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-155-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-166-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-164-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1476-165-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-163-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-162-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-159-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-158-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-168-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-161-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-169-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-157-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-182-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1476-181-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-180-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-179-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-178-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-177-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-176-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-174-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-173-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-172-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-171-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-170-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-160-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-150-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1476-152-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-154-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-153-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-167-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1476-156-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/1732-246-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3064-184-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/3064-185-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/3064-186-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/3064-187-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/3064-188-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/3064-189-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/3064-190-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/3064-219-0x0000000002C80000-0x0000000002C89000-memory.dmp

Filesize
36KB

Download
memory/4192-144-0x0000000002C30000-0x0000000002CDE000-memory.dmp

Filesize
696KB

Download
memory/4192-149-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-132-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-148-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-147-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-141-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-142-0x0000000002D00000-0x0000000002E4A000-memory.dmp

Filesize
1.3MB

Download
memory/4192-146-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-120-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-145-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-124-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-143-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-140-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-139-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-138-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-137-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-123-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-136-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-135-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-133-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-134-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-131-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-130-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-129-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-122-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-128-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-121-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-126-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-125-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download