smokeloader | f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce

Analysis

max time kernel
151s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2022, 12:30

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General

Target

f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce.exe
Size

232KB
MD5

612690d2d2a6c5aec8e5b623e2c390cf
SHA1

8f05ab45296839473b91afd9f4ad158f6bd1c2ba
SHA256

f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce
SHA512

894691078f834e5038c03ab32d46fee12719af18357c48cdd9b511c196828b9e64d8d10a563aac7693eb024fd968fcb2085af03b9072acf7eb58bb9f0888f88c
SSDEEP

3072:sl8NLawRLUhJ5hX6YMnfaJJZ4s2/nIVzW+5SeAddxZtJ/SRLjw7RkxmJZs:tLFRLk7J/4BEW+ce6dxPJ/SZGymI

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

resource	yara_rule
behavioral1/memory/1308-133-0x00000000005E0000-0x00000000005E9000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
4908	DA38.exe
3304	DD75.exe
436	E12F.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1308	f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce.exe
1308	f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce.exe
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2560	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
1308	f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce.exe
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found
2560	Process not Found

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 4908	2560	Process not Found	88
PID 2560 wrote to memory of 4908	2560	Process not Found	88
PID 2560 wrote to memory of 3304	2560	Process not Found	89
PID 2560 wrote to memory of 3304	2560	Process not Found	89
PID 2560 wrote to memory of 436	2560	Process not Found	90
PID 2560 wrote to memory of 436	2560	Process not Found	90
PID 2560 wrote to memory of 436	2560	Process not Found	90
PID 2560 wrote to memory of 920	2560	Process not Found	91
PID 2560 wrote to memory of 920	2560	Process not Found	91
PID 2560 wrote to memory of 920	2560	Process not Found	91
PID 2560 wrote to memory of 920	2560	Process not Found	91
PID 2560 wrote to memory of 1244	2560	Process not Found	92
PID 2560 wrote to memory of 1244	2560	Process not Found	92
PID 2560 wrote to memory of 1244	2560	Process not Found	92
PID 436 wrote to memory of 448	436	E12F.exe	93
PID 436 wrote to memory of 448	436	E12F.exe	93
PID 436 wrote to memory of 448	436	E12F.exe	93
PID 436 wrote to memory of 2828	436	E12F.exe	94
PID 436 wrote to memory of 2828	436	E12F.exe	94
PID 436 wrote to memory of 2828	436	E12F.exe	94
PID 436 wrote to memory of 4752	436	E12F.exe	95
PID 436 wrote to memory of 4752	436	E12F.exe	95
PID 436 wrote to memory of 4752	436	E12F.exe	95
PID 436 wrote to memory of 5088	436	E12F.exe	96
PID 436 wrote to memory of 5088	436	E12F.exe	96
PID 436 wrote to memory of 5088	436	E12F.exe	96
PID 2560 wrote to memory of 4672	2560	Process not Found	97
PID 2560 wrote to memory of 4672	2560	Process not Found	97
PID 2560 wrote to memory of 4672	2560	Process not Found	97
PID 2560 wrote to memory of 4672	2560	Process not Found	97
PID 2560 wrote to memory of 724	2560	Process not Found	98
PID 2560 wrote to memory of 724	2560	Process not Found	98
PID 2560 wrote to memory of 724	2560	Process not Found	98
PID 2560 wrote to memory of 4356	2560	Process not Found	99
PID 2560 wrote to memory of 4356	2560	Process not Found	99
PID 2560 wrote to memory of 4356	2560	Process not Found	99
PID 2560 wrote to memory of 4356	2560	Process not Found	99
PID 2560 wrote to memory of 4664	2560	Process not Found	100
PID 2560 wrote to memory of 4664	2560	Process not Found	100
PID 2560 wrote to memory of 4664	2560	Process not Found	100
PID 2560 wrote to memory of 4664	2560	Process not Found	100
PID 2560 wrote to memory of 1600	2560	Process not Found	101
PID 2560 wrote to memory of 1600	2560	Process not Found	101
PID 2560 wrote to memory of 1600	2560	Process not Found	101
PID 2560 wrote to memory of 1600	2560	Process not Found	101
PID 2560 wrote to memory of 4228	2560	Process not Found	102
PID 2560 wrote to memory of 4228	2560	Process not Found	102
PID 2560 wrote to memory of 4228	2560	Process not Found	102
PID 2560 wrote to memory of 4984	2560	Process not Found	103
PID 2560 wrote to memory of 4984	2560	Process not Found	103
PID 2560 wrote to memory of 4984	2560	Process not Found	103
PID 2560 wrote to memory of 4984	2560	Process not Found	103

C:\Users\Admin\AppData\Local\Temp\f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce.exe
"C:\Users\Admin\AppData\Local\Temp\f03cfa30317eefbc658e645242cf7be5a3d012cc26d91f04284b80127d07b6ce.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1308

C:\Users\Admin\AppData\Local\Temp\DA38.exe
C:\Users\Admin\AppData\Local\Temp\DA38.exe
1⤵
- Executes dropped EXE
PID:4908

C:\Users\Admin\AppData\Local\Temp\DD75.exe
C:\Users\Admin\AppData\Local\Temp\DD75.exe
1⤵
- Executes dropped EXE
PID:3304

C:\Users\Admin\AppData\Local\Temp\E12F.exe
C:\Users\Admin\AppData\Local\Temp\E12F.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:4752
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:5088

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:920

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1244

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4672

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:724

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4356

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4664

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1600

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4228

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

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\Local\Temp\DA38.exe

Filesize
4KB

MD5
9748489855d9dd82ab09da5e3e55b19e

SHA1
6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

SHA256
05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

SHA512
7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

Download Submit
C:\Users\Admin\AppData\Local\Temp\DA38.exe

Filesize
4KB

MD5
9748489855d9dd82ab09da5e3e55b19e

SHA1
6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

SHA256
05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

SHA512
7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

Download Submit
C:\Users\Admin\AppData\Local\Temp\DD75.exe

Filesize
4KB

MD5
9748489855d9dd82ab09da5e3e55b19e

SHA1
6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

SHA256
05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

SHA512
7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

Download Submit
C:\Users\Admin\AppData\Local\Temp\DD75.exe

Filesize
4KB

MD5
9748489855d9dd82ab09da5e3e55b19e

SHA1
6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

SHA256
05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

SHA512
7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

Download Submit
C:\Users\Admin\AppData\Local\Temp\E12F.exe

Filesize
67KB

MD5
666d8f33d37064fd5d14e2166c9bfa69

SHA1
3b27df9335a9b2efe9da1057e9f8312a72d1ca9d

SHA256
7fddf1b75f50d43214867f367223f2d241d62ae63deea334d051c0ee19d18157

SHA512
ac3c993f019bb402db474fda65d587ae7717725eea9b3a869acd3530543b7b94d354f19474f6b1c7fc760b5b22622328def2bef26e3900c186b16e8a3d3b90df

Download Submit
C:\Users\Admin\AppData\Local\Temp\E12F.exe

Filesize
67KB

MD5
666d8f33d37064fd5d14e2166c9bfa69

SHA1
3b27df9335a9b2efe9da1057e9f8312a72d1ca9d

SHA256
7fddf1b75f50d43214867f367223f2d241d62ae63deea334d051c0ee19d18157

SHA512
ac3c993f019bb402db474fda65d587ae7717725eea9b3a869acd3530543b7b94d354f19474f6b1c7fc760b5b22622328def2bef26e3900c186b16e8a3d3b90df

Download Submit
memory/436-152-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/436-149-0x0000000000BB0000-0x0000000000BC6000-memory.dmp

Filesize
88KB

Download
memory/724-165-0x0000000000FF0000-0x0000000000FFC000-memory.dmp

Filesize
48KB

Download
memory/724-184-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/724-164-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/920-181-0x0000000000450000-0x0000000000457000-memory.dmp

Filesize
28KB

Download
memory/920-150-0x0000000000450000-0x0000000000457000-memory.dmp

Filesize
28KB

Download
memory/920-151-0x0000000000440000-0x000000000044B000-memory.dmp

Filesize
44KB

Download
memory/1244-154-0x0000000000740000-0x0000000000749000-memory.dmp

Filesize
36KB

Download
memory/1244-182-0x0000000000740000-0x0000000000749000-memory.dmp

Filesize
36KB

Download
memory/1244-155-0x0000000000730000-0x000000000073F000-memory.dmp

Filesize
60KB

Download
memory/1308-135-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1308-134-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1308-133-0x00000000005E0000-0x00000000005E9000-memory.dmp

Filesize
36KB

Download
memory/1308-132-0x000000000071E000-0x000000000072F000-memory.dmp

Filesize
68KB

Download
memory/1600-174-0x0000000001250000-0x000000000125B000-memory.dmp

Filesize
44KB

Download
memory/1600-187-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download
memory/1600-173-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download
memory/3304-144-0x00007FFAD9570000-0x00007FFADA031000-memory.dmp

Filesize
10.8MB

Download
memory/4228-188-0x0000000000A00000-0x0000000000A07000-memory.dmp

Filesize
28KB

Download
memory/4228-177-0x00000000007F0000-0x00000000007FD000-memory.dmp

Filesize
52KB

Download
memory/4228-176-0x0000000000A00000-0x0000000000A07000-memory.dmp

Filesize
28KB

Download
memory/4356-168-0x00000000008C0000-0x00000000008E7000-memory.dmp

Filesize
156KB

Download
memory/4356-185-0x00000000008F0000-0x0000000000912000-memory.dmp

Filesize
136KB

Download
memory/4356-167-0x00000000008F0000-0x0000000000912000-memory.dmp

Filesize
136KB

Download
memory/4664-186-0x0000000000A90000-0x0000000000A95000-memory.dmp

Filesize
20KB

Download
memory/4664-171-0x0000000000A80000-0x0000000000A89000-memory.dmp

Filesize
36KB

Download
memory/4664-170-0x0000000000A90000-0x0000000000A95000-memory.dmp

Filesize
20KB

Download
memory/4672-162-0x0000000000430000-0x0000000000439000-memory.dmp

Filesize
36KB

Download
memory/4672-161-0x0000000000440000-0x0000000000445000-memory.dmp

Filesize
20KB

Download
memory/4672-183-0x0000000000440000-0x0000000000445000-memory.dmp

Filesize
20KB

Download
memory/4908-140-0x00007FFAD9570000-0x00007FFADA031000-memory.dmp

Filesize
10.8MB

Download
memory/4908-139-0x0000000000380000-0x0000000000388000-memory.dmp

Filesize
32KB

Download
memory/4984-180-0x0000000000990000-0x000000000099B000-memory.dmp

Filesize
44KB

Download
memory/4984-179-0x00000000009A0000-0x00000000009A8000-memory.dmp

Filesize
32KB

Download
memory/4984-189-0x00000000009A0000-0x00000000009A8000-memory.dmp

Filesize
32KB

Download