smokeloader | 89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb

Analysis

max time kernel
150s
max time network
73s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
08/01/2023, 23:55

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General

Target

89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe
Size

260KB
MD5

978e4cd65da4efbcd21df4b0179fc0be
SHA1

fd556796b6d362a05709b9843943874acd3ace03
SHA256

89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb
SHA512

97797f8d46fb404c359789aedc0a8324d39f3afb64ea3d95bd26f25069292dc453987afe96c4d489fc0798b4d752139a8f4f03ae94989aa949db353c271ba611
SSDEEP

3072:urXEK+F8LrBIRE7lDAD15sZCoJjYEN+JCiLnjIAUCrn99hZCRRzMuWZgd3n:WTLORE7lDAloJjPNmfLnj6Crpcqgd3

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/2112-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2112-145-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4792-148-0x0000000002D10000-0x0000000002D19000-memory.dmp	family_smokeloader
behavioral1/memory/2112-177-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2112-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2068	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4792 set thread context of 2112	4792	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe	66

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2112	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe
2112	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe
2068	Process not Found
2068	Process not Found
2068	Process not Found
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2068	Process not Found
2068	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2068	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2112	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 2112	4792	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe	66
PID 4792 wrote to memory of 2112	4792	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe	66
PID 4792 wrote to memory of 2112	4792	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe	66
PID 4792 wrote to memory of 2112	4792	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe	66
PID 4792 wrote to memory of 2112	4792	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe	66
PID 4792 wrote to memory of 2112	4792	89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe	66

C:\Users\Admin\AppData\Local\Temp\89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe
"C:\Users\Admin\AppData\Local\Temp\89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Users\Admin\AppData\Local\Temp\89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe
  "C:\Users\Admin\AppData\Local\Temp\89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2112

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

memory/2112-158-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-165-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2112-177-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2112-164-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-172-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-175-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-176-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-174-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-173-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-171-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-170-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-169-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-168-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-167-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-149-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-166-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-147-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-163-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-162-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-161-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-160-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-159-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-157-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-156-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-155-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-154-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-153-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2112-152-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-150-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2112-151-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-132-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-148-0x0000000002D10000-0x0000000002D19000-memory.dmp

Filesize
36KB

Download
memory/4792-131-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-117-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-143-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-142-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-141-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-140-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-139-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-138-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-137-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-136-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-116-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-135-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-134-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-133-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-146-0x0000000002EDA000-0x0000000002EEA000-memory.dmp

Filesize
64KB

Download
memory/4792-130-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-129-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-127-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-128-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-126-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-125-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-124-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-123-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-122-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-121-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-120-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-119-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-118-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download