smokeloader | b8eed569badd754db5b73747fe93667e6a5dc05c8a089eddcc8fdb63fa62e91d

Analysis

max time kernel
153s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2022, 16:17

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General

Target
af46049d6970f2ff4f31adf6bdca1ebb.exe
Size 295KB
Sample221012-trcxaabagl
SHA256 b8eed569badd754db5b73747fe93667e6a5dc05c8a089eddcc8fdb63fa62e91d
MD5 af46049d6970f2ff4f31adf6bdca1ebb
SHA1 a0e918c7f7c9afce7433fd299f7cbdd32f91811a
SHA512 6437cf597d1051d1bdf6814aea2b429e93ac01d61d4a8b95aaf383da2db134a96bc7fb1e4f39c18b093c70102f6b8bdd70ccc4a75ae874c2615c111bc95bf883
SSDEEP 6144:I5idq+YwHjihj+UZxyWD6iTFXgkSueigavwVf:IIk+VDihvOxuT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

resource	yara_rule
behavioral2/memory/4780-133-0x0000000000590000-0x0000000000599000-memory.dmp	family_smokeloader

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

Executes dropped EXE 1 IoCs

pid	Process
412	dhiehcf

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	af46049d6970f2ff4f31adf6bdca1ebb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	af46049d6970f2ff4f31adf6bdca1ebb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	af46049d6970f2ff4f31adf6bdca1ebb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dhiehcf
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dhiehcf
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dhiehcf

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4780	af46049d6970f2ff4f31adf6bdca1ebb.exe
4780	af46049d6970f2ff4f31adf6bdca1ebb.exe
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
760	Process not Found

Suspicious behavior: MapViewOfSection 20 IoCs

pid	Process
4780	af46049d6970f2ff4f31adf6bdca1ebb.exe
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
412	dhiehcf

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 3420	760	Process not Found	87
PID 760 wrote to memory of 3420	760	Process not Found	87
PID 760 wrote to memory of 3420	760	Process not Found	87
PID 760 wrote to memory of 3420	760	Process not Found	87
PID 760 wrote to memory of 1148	760	Process not Found	88
PID 760 wrote to memory of 1148	760	Process not Found	88
PID 760 wrote to memory of 1148	760	Process not Found	88
PID 760 wrote to memory of 3088	760	Process not Found	91
PID 760 wrote to memory of 3088	760	Process not Found	91
PID 760 wrote to memory of 3088	760	Process not Found	91
PID 760 wrote to memory of 3088	760	Process not Found	91
PID 760 wrote to memory of 2360	760	Process not Found	92
PID 760 wrote to memory of 2360	760	Process not Found	92
PID 760 wrote to memory of 2360	760	Process not Found	92
PID 760 wrote to memory of 2980	760	Process not Found	93
PID 760 wrote to memory of 2980	760	Process not Found	93
PID 760 wrote to memory of 2980	760	Process not Found	93
PID 760 wrote to memory of 2980	760	Process not Found	93
PID 760 wrote to memory of 2900	760	Process not Found	94
PID 760 wrote to memory of 2900	760	Process not Found	94
PID 760 wrote to memory of 2900	760	Process not Found	94
PID 760 wrote to memory of 2900	760	Process not Found	94
PID 760 wrote to memory of 4896	760	Process not Found	95
PID 760 wrote to memory of 4896	760	Process not Found	95
PID 760 wrote to memory of 4896	760	Process not Found	95
PID 760 wrote to memory of 4896	760	Process not Found	95
PID 760 wrote to memory of 1220	760	Process not Found	96
PID 760 wrote to memory of 1220	760	Process not Found	96
PID 760 wrote to memory of 1220	760	Process not Found	96
PID 760 wrote to memory of 4084	760	Process not Found	97
PID 760 wrote to memory of 4084	760	Process not Found	97
PID 760 wrote to memory of 4084	760	Process not Found	97
PID 760 wrote to memory of 4084	760	Process not Found	97

C:\Users\Admin\AppData\Local\Temp\af46049d6970f2ff4f31adf6bdca1ebb.exe
"C:\Users\Admin\AppData\Local\Temp\af46049d6970f2ff4f31adf6bdca1ebb.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4780

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3420

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1148

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3088

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2360

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2980

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2900

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4896

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1220

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4084

C:\Users\Admin\AppData\Roaming\dhiehcf
C:\Users\Admin\AppData\Roaming\dhiehcf
1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:412

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

dhiehcf

Path C:\Users\Admin\AppData\Roaming\dhiehcf
Size 295KB
SHA256 b8eed569badd754db5b73747fe93667e6a5dc05c8a089eddcc8fdb63fa62e91d
MD5 af46049d6970f2ff4f31adf6bdca1ebb
SHA1 a0e918c7f7c9afce7433fd299f7cbdd32f91811a
SHA512 6437cf597d1051d1bdf6814aea2b429e93ac01d61d4a8b95aaf383da2db134a96bc7fb1e4f39c18b093c70102f6b8bdd70ccc4a75ae874c2615c111bc95bf883
SSDEEP 6144:I5idq+YwHjihj+UZxyWD6iTFXgkSueigavwVf:IIk+VDihvOxuT
MD5 SHA1 SHA512 SSDEEP

Submit Download

dhiehcf

Path C:\Users\Admin\AppData\Roaming\dhiehcf
Size 295KB
SHA256 b8eed569badd754db5b73747fe93667e6a5dc05c8a089eddcc8fdb63fa62e91d
MD5 af46049d6970f2ff4f31adf6bdca1ebb
SHA1 a0e918c7f7c9afce7433fd299f7cbdd32f91811a
SHA512 6437cf597d1051d1bdf6814aea2b429e93ac01d61d4a8b95aaf383da2db134a96bc7fb1e4f39c18b093c70102f6b8bdd70ccc4a75ae874c2615c111bc95bf883
SSDEEP 6144:I5idq+YwHjihj+UZxyWD6iTFXgkSueigavwVf:IIk+VDihvOxuT
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/412-177-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/412-176-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/412-175-0x000000000069E000-0x00000000006AE000-memory.dmp

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memory/1148-141-0x0000000000330000-0x0000000000339000-memory.dmp

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memory/1148-142-0x0000000000320000-0x000000000032F000-memory.dmp

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memory/1148-165-0x0000000000330000-0x0000000000339000-memory.dmp

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memory/1220-171-0x0000000000170000-0x0000000000177000-memory.dmp

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memory/1220-160-0x0000000000160000-0x000000000016D000-memory.dmp

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memory/1220-159-0x0000000000170000-0x0000000000177000-memory.dmp

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memory/2360-167-0x0000000000810000-0x0000000000816000-memory.dmp

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memory/2360-147-0x0000000000810000-0x0000000000816000-memory.dmp

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memory/2360-148-0x0000000000800000-0x000000000080C000-memory.dmp

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memory/2900-154-0x0000000000210000-0x0000000000219000-memory.dmp

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memory/2900-153-0x0000000000220000-0x0000000000225000-memory.dmp

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memory/2900-169-0x0000000000220000-0x0000000000225000-memory.dmp

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memory/2980-151-0x0000000001020000-0x0000000001047000-memory.dmp

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memory/2980-150-0x0000000001050000-0x0000000001072000-memory.dmp

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memory/2980-168-0x0000000001050000-0x0000000001072000-memory.dmp

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memory/3088-166-0x0000000000790000-0x0000000000795000-memory.dmp

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memory/3088-145-0x0000000000780000-0x0000000000789000-memory.dmp

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memory/3088-144-0x0000000000790000-0x0000000000795000-memory.dmp

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memory/3420-138-0x0000000001010000-0x0000000001017000-memory.dmp

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memory/3420-164-0x0000000001010000-0x0000000001017000-memory.dmp

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memory/3420-139-0x0000000001000000-0x000000000100B000-memory.dmp

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memory/4084-163-0x0000000000CD0000-0x0000000000CDB000-memory.dmp

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memory/4084-162-0x0000000000CE0000-0x0000000000CE8000-memory.dmp

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memory/4084-172-0x0000000000CE0000-0x0000000000CE8000-memory.dmp

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memory/4780-136-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/4780-133-0x0000000000590000-0x0000000000599000-memory.dmp

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memory/4780-134-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/4780-135-0x000000000078E000-0x000000000079E000-memory.dmp

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memory/4780-132-0x000000000078E000-0x000000000079E000-memory.dmp

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memory/4896-157-0x0000000000E40000-0x0000000000E4B000-memory.dmp

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memory/4896-170-0x0000000000E50000-0x0000000000E56000-memory.dmp

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memory/4896-156-0x0000000000E50000-0x0000000000E56000-memory.dmp

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