smokeloader | e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2023, 00:48

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General

Target

e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe
Size

187KB
MD5

b32fab896f5e701c1e816cd8c31c0ff5
SHA1

475ed088fefe3ac3ccaf4c38868048fa7ed8ca8b
SHA256

e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1
SHA512

22ed1a9afc6caca896bee0c77d0dacb9c28747986566e176cdeb72b8cb3429323d73c5da795905a08941fa480e2e690d45edf8ce7efee4a77f5ba4c5442002d0
SSDEEP

3072:caznLhnVkFqK5IMtAzIGAX+RjpkWiE5MrrIAwo3Zhxeh:DLoFqBMtnXYb5M/X7rC

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 6 IoCs

resource	yara_rule
behavioral1/memory/956-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1304-135-0x0000000002040000-0x0000000002049000-memory.dmp	family_smokeloader
behavioral1/memory/956-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/956-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/620-189-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/620-190-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Executes dropped EXE 2 IoCs

pid	Process
5080	tabhavb
620	tabhavb

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1304 set thread context of 956	1304	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe	80
PID 5080 set thread context of 620	5080	tabhavb	89

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	tabhavb
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tabhavb
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tabhavb
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
956	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe
956	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found
1048	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1048	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
956	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe
620	tabhavb

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1048	Process not Found
Token: SeCreatePagefilePrivilege	1048	Process not Found
Token: SeShutdownPrivilege	1048	Process not Found
Token: SeCreatePagefilePrivilege	1048	Process not Found
Token: SeShutdownPrivilege	1048	Process not Found
Token: SeCreatePagefilePrivilege	1048	Process not Found
Token: SeShutdownPrivilege	1048	Process not Found
Token: SeCreatePagefilePrivilege	1048	Process not Found
Token: SeShutdownPrivilege	1048	Process not Found
Token: SeCreatePagefilePrivilege	1048	Process not Found
Token: SeShutdownPrivilege	1048	Process not Found
Token: SeCreatePagefilePrivilege	1048	Process not Found
Token: SeShutdownPrivilege	1048	Process not Found
Token: SeCreatePagefilePrivilege	1048	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 956	1304	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe	80
PID 1304 wrote to memory of 956	1304	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe	80
PID 1304 wrote to memory of 956	1304	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe	80
PID 1304 wrote to memory of 956	1304	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe	80
PID 1304 wrote to memory of 956	1304	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe	80
PID 1304 wrote to memory of 956	1304	e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe	80
PID 5080 wrote to memory of 620	5080	tabhavb	89
PID 5080 wrote to memory of 620	5080	tabhavb	89
PID 5080 wrote to memory of 620	5080	tabhavb	89
PID 5080 wrote to memory of 620	5080	tabhavb	89
PID 5080 wrote to memory of 620	5080	tabhavb	89
PID 5080 wrote to memory of 620	5080	tabhavb	89

C:\Users\Admin\AppData\Local\Temp\e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe
"C:\Users\Admin\AppData\Local\Temp\e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Temp\e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe
  "C:\Users\Admin\AppData\Local\Temp\e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:956

C:\Users\Admin\AppData\Roaming\tabhavb
C:\Users\Admin\AppData\Roaming\tabhavb
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Users\Admin\AppData\Roaming\tabhavb
  C:\Users\Admin\AppData\Roaming\tabhavb
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:620

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\tabhavb

Filesize
187KB

MD5
b32fab896f5e701c1e816cd8c31c0ff5

SHA1
475ed088fefe3ac3ccaf4c38868048fa7ed8ca8b

SHA256
e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1

SHA512
22ed1a9afc6caca896bee0c77d0dacb9c28747986566e176cdeb72b8cb3429323d73c5da795905a08941fa480e2e690d45edf8ce7efee4a77f5ba4c5442002d0

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

Filesize
187KB

MD5
b32fab896f5e701c1e816cd8c31c0ff5

SHA1
475ed088fefe3ac3ccaf4c38868048fa7ed8ca8b

SHA256
e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1

SHA512
22ed1a9afc6caca896bee0c77d0dacb9c28747986566e176cdeb72b8cb3429323d73c5da795905a08941fa480e2e690d45edf8ce7efee4a77f5ba4c5442002d0

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

Filesize
187KB

MD5
b32fab896f5e701c1e816cd8c31c0ff5

SHA1
475ed088fefe3ac3ccaf4c38868048fa7ed8ca8b

SHA256
e756885f12abdf5cc8450232691a4f55c1e524262825a4a00ced4f004a2c69c1

SHA512
22ed1a9afc6caca896bee0c77d0dacb9c28747986566e176cdeb72b8cb3429323d73c5da795905a08941fa480e2e690d45edf8ce7efee4a77f5ba4c5442002d0

Download Submit
memory/620-190-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/620-189-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/956-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/956-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/956-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1048-171-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-178-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-143-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-144-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-145-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-146-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-147-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-148-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-149-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-150-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-151-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-152-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-153-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-154-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-155-0x0000000007ED0000-0x0000000007EE0000-memory.dmp

Filesize
64KB

Download
memory/1048-156-0x0000000007EF0000-0x0000000007F00000-memory.dmp

Filesize
64KB

Download
memory/1048-157-0x0000000007EF0000-0x0000000007F00000-memory.dmp

Filesize
64KB

Download
memory/1048-158-0x0000000007EF0000-0x0000000007F00000-memory.dmp

Filesize
64KB

Download
memory/1048-159-0x0000000007EF0000-0x0000000007F00000-memory.dmp

Filesize
64KB

Download
memory/1048-160-0x0000000007EF0000-0x0000000007F00000-memory.dmp

Filesize
64KB

Download
memory/1048-161-0x0000000007EF0000-0x0000000007F00000-memory.dmp

Filesize
64KB

Download
memory/1048-162-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-163-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-164-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-165-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-167-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-166-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-168-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-169-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-170-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-141-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-172-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-173-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-174-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-175-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-176-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-177-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-142-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-179-0x0000000000BD0000-0x0000000000BE0000-memory.dmp

Filesize
64KB

Download
memory/1048-140-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-180-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

Filesize
64KB

Download
memory/1048-181-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

Filesize
64KB

Download
memory/1048-182-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

Filesize
64KB

Download
memory/1048-215-0x0000000000C20000-0x0000000000C30000-memory.dmp

Filesize
64KB

Download
memory/1048-214-0x0000000000C20000-0x0000000000C30000-memory.dmp

Filesize
64KB

Download
memory/1048-213-0x0000000000C20000-0x0000000000C30000-memory.dmp

Filesize
64KB

Download
memory/1048-139-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-138-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-191-0x0000000000BD0000-0x0000000000BE0000-memory.dmp

Filesize
64KB

Download
memory/1048-192-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

Filesize
64KB

Download
memory/1048-193-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

Filesize
64KB

Download
memory/1048-194-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

Filesize
64KB

Download
memory/1048-195-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-196-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-197-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-198-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-199-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-200-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-201-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-202-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-203-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-204-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-205-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-206-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-207-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-208-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-209-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-210-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-211-0x0000000007F00000-0x0000000007F10000-memory.dmp

Filesize
64KB

Download
memory/1048-212-0x0000000000BF0000-0x0000000000C00000-memory.dmp

Filesize
64KB

Download
memory/1304-135-0x0000000002040000-0x0000000002049000-memory.dmp

Filesize
36KB

Download
memory/1304-134-0x0000000000488000-0x0000000000498000-memory.dmp

Filesize
64KB

Download
memory/5080-188-0x00000000007F9000-0x0000000000809000-memory.dmp

Filesize
64KB

Download