smokeloader | 53e91aa8e47dc26f0289b1800aa76bafe0b8274e99585d91e2da679d8353d6a3

Analysis

max time kernel
150s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2022, 07:31

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General

Target

c3b0bf7d0c11b5b2cf88a5a05879c649.exe
Size

146KB
MD5

c3b0bf7d0c11b5b2cf88a5a05879c649
SHA1

063791ec150bdc93c5af7768cc0deabec1aafebc
SHA256

53e91aa8e47dc26f0289b1800aa76bafe0b8274e99585d91e2da679d8353d6a3
SHA512

f0bd7f97b1c1be55da42a8c5eb644330806c7021765c78ae0780374ce02432334d3379b1198d0590a1ea2fd3bc43fcc0c713a06a9a5d3be9fc5d4fe4e8ab6416
SSDEEP

1536:aJ2AD/fxK+FT+BN2++t4Bj8BkzCTl8XYiDraPCMu1iP+oo3r0ov1piQOuwluhOi:aJ2ADBlb++GB/2Tl8kCfXRZ4uhO

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

resource	yara_rule
behavioral2/memory/4328-133-0x0000000002180000-0x0000000002189000-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
2932	2693.exe
380	2B08.exe
1408	33A5.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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	c3b0bf7d0c11b5b2cf88a5a05879c649.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c3b0bf7d0c11b5b2cf88a5a05879c649.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c3b0bf7d0c11b5b2cf88a5a05879c649.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4328	c3b0bf7d0c11b5b2cf88a5a05879c649.exe
4328	c3b0bf7d0c11b5b2cf88a5a05879c649.exe
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3056	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
4328	c3b0bf7d0c11b5b2cf88a5a05879c649.exe
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found
3056	Process not Found

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found
Token: SeShutdownPrivilege	3056	Process not Found
Token: SeCreatePagefilePrivilege	3056	Process not Found

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2932	3056	Process not Found	86
PID 3056 wrote to memory of 2932	3056	Process not Found	86
PID 3056 wrote to memory of 2932	3056	Process not Found	86
PID 3056 wrote to memory of 380	3056	Process not Found	88
PID 3056 wrote to memory of 380	3056	Process not Found	88
PID 3056 wrote to memory of 380	3056	Process not Found	88
PID 3056 wrote to memory of 1408	3056	Process not Found	91
PID 3056 wrote to memory of 1408	3056	Process not Found	91
PID 3056 wrote to memory of 1408	3056	Process not Found	91
PID 3056 wrote to memory of 2776	3056	Process not Found	93
PID 3056 wrote to memory of 2776	3056	Process not Found	93
PID 3056 wrote to memory of 2776	3056	Process not Found	93
PID 3056 wrote to memory of 2776	3056	Process not Found	93
PID 3056 wrote to memory of 944	3056	Process not Found	94
PID 3056 wrote to memory of 944	3056	Process not Found	94
PID 3056 wrote to memory of 944	3056	Process not Found	94
PID 3056 wrote to memory of 1404	3056	Process not Found	95
PID 3056 wrote to memory of 1404	3056	Process not Found	95
PID 3056 wrote to memory of 1404	3056	Process not Found	95
PID 3056 wrote to memory of 1404	3056	Process not Found	95
PID 3056 wrote to memory of 548	3056	Process not Found	96
PID 3056 wrote to memory of 548	3056	Process not Found	96
PID 3056 wrote to memory of 548	3056	Process not Found	96
PID 3056 wrote to memory of 3128	3056	Process not Found	97
PID 3056 wrote to memory of 3128	3056	Process not Found	97
PID 3056 wrote to memory of 3128	3056	Process not Found	97
PID 3056 wrote to memory of 3128	3056	Process not Found	97
PID 3056 wrote to memory of 4048	3056	Process not Found	98
PID 3056 wrote to memory of 4048	3056	Process not Found	98
PID 3056 wrote to memory of 4048	3056	Process not Found	98
PID 3056 wrote to memory of 4048	3056	Process not Found	98
PID 3056 wrote to memory of 4476	3056	Process not Found	99
PID 3056 wrote to memory of 4476	3056	Process not Found	99
PID 3056 wrote to memory of 4476	3056	Process not Found	99
PID 3056 wrote to memory of 4476	3056	Process not Found	99
PID 3056 wrote to memory of 1572	3056	Process not Found	100
PID 3056 wrote to memory of 1572	3056	Process not Found	100
PID 3056 wrote to memory of 1572	3056	Process not Found	100
PID 3056 wrote to memory of 4364	3056	Process not Found	101
PID 3056 wrote to memory of 4364	3056	Process not Found	101
PID 3056 wrote to memory of 4364	3056	Process not Found	101
PID 3056 wrote to memory of 4364	3056	Process not Found	101

C:\Users\Admin\AppData\Local\Temp\c3b0bf7d0c11b5b2cf88a5a05879c649.exe
"C:\Users\Admin\AppData\Local\Temp\c3b0bf7d0c11b5b2cf88a5a05879c649.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4328

C:\Users\Admin\AppData\Local\Temp\2693.exe
C:\Users\Admin\AppData\Local\Temp\2693.exe
1⤵
- Executes dropped EXE
PID:2932

C:\Users\Admin\AppData\Local\Temp\2B08.exe
C:\Users\Admin\AppData\Local\Temp\2B08.exe
1⤵
- Executes dropped EXE
PID:380

C:\Users\Admin\AppData\Local\Temp\33A5.exe
C:\Users\Admin\AppData\Local\Temp\33A5.exe
1⤵
- Executes dropped EXE
PID:1408

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2776

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:944

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1404

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:548

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3128

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4048

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4476

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1572

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\2693.exe

Filesize
316KB

MD5
27cdcc66310e8a239ef822684833efd2

SHA1
7f3e3055ba30047819094b0121b316d9364e2707

SHA256
07c94a43d67cc347c043105b104a8ccc57eb97f7ffe4f5114ea6c13dcf07aba2

SHA512
6b0e4811dba1fd6afab3a074da9a440bd318f5eb74ab48cb8d57913c410115e6811f51dc5f3bd04240821dcee84db772accf3af858ab0db18e6dcd9ef2de9a54

Download Submit
C:\Users\Admin\AppData\Local\Temp\2693.exe

Filesize
316KB

MD5
27cdcc66310e8a239ef822684833efd2

SHA1
7f3e3055ba30047819094b0121b316d9364e2707

SHA256
07c94a43d67cc347c043105b104a8ccc57eb97f7ffe4f5114ea6c13dcf07aba2

SHA512
6b0e4811dba1fd6afab3a074da9a440bd318f5eb74ab48cb8d57913c410115e6811f51dc5f3bd04240821dcee84db772accf3af858ab0db18e6dcd9ef2de9a54

Download Submit
C:\Users\Admin\AppData\Local\Temp\2B08.exe

Filesize
363KB

MD5
e292a6cbeb112872c04796311b52ae30

SHA1
8ecefecab9231e42429a33256f5db84eff302948

SHA256
39c4fa10490d1f6e5f909786dee9ab0d8e8eb79bb04a9c541d2209224367ad16

SHA512
c506b3c796d99f8fb3e70d36596720bd1a6328a653c77769e20cbb358da122e576d72518508f63217e80985eb9abaa79abaa681312e9100445e391828029577e

Download Submit
C:\Users\Admin\AppData\Local\Temp\2B08.exe

Filesize
363KB

MD5
e292a6cbeb112872c04796311b52ae30

SHA1
8ecefecab9231e42429a33256f5db84eff302948

SHA256
39c4fa10490d1f6e5f909786dee9ab0d8e8eb79bb04a9c541d2209224367ad16

SHA512
c506b3c796d99f8fb3e70d36596720bd1a6328a653c77769e20cbb358da122e576d72518508f63217e80985eb9abaa79abaa681312e9100445e391828029577e

Download Submit
C:\Users\Admin\AppData\Local\Temp\33A5.exe

Filesize
363KB

MD5
ad170ecbf3579649162c3cb67d398672

SHA1
838306ef60ae4286030be9b395c866abd0c8ff47

SHA256
5e924125ff6aeb76684f4fb7f578c6d9278b243ed18e9a9eff8b2b28045ec5a5

SHA512
83a5511b668f49d4361a4a9dd5c8944c6395504f8f31c3a0ab94a9ea1d75d4b17c72c433c53d73cd9dfbb641c34b2741ef15474bacc7c6728e889511ffafc185

Download Submit
C:\Users\Admin\AppData\Local\Temp\33A5.exe

Filesize
363KB

MD5
ad170ecbf3579649162c3cb67d398672

SHA1
838306ef60ae4286030be9b395c866abd0c8ff47

SHA256
5e924125ff6aeb76684f4fb7f578c6d9278b243ed18e9a9eff8b2b28045ec5a5

SHA512
83a5511b668f49d4361a4a9dd5c8944c6395504f8f31c3a0ab94a9ea1d75d4b17c72c433c53d73cd9dfbb641c34b2741ef15474bacc7c6728e889511ffafc185

Download Submit
memory/548-156-0x0000000000DE0000-0x0000000000DEC000-memory.dmp

Filesize
48KB

Download
memory/548-155-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/944-173-0x00000000001F0000-0x00000000001F9000-memory.dmp

Filesize
36KB

Download
memory/944-149-0x00000000001F0000-0x00000000001F9000-memory.dmp

Filesize
36KB

Download
memory/944-150-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/1404-174-0x0000000000E90000-0x0000000000E95000-memory.dmp

Filesize
20KB

Download
memory/1404-153-0x0000000000E80000-0x0000000000E89000-memory.dmp

Filesize
36KB

Download
memory/1404-152-0x0000000000E90000-0x0000000000E95000-memory.dmp

Filesize
20KB

Download
memory/1572-167-0x00000000009D0000-0x00000000009D7000-memory.dmp

Filesize
28KB

Download
memory/1572-168-0x00000000009C0000-0x00000000009CD000-memory.dmp

Filesize
52KB

Download
memory/1572-178-0x00000000009D0000-0x00000000009D7000-memory.dmp

Filesize
28KB

Download
memory/2776-146-0x0000000000AD0000-0x0000000000AD7000-memory.dmp

Filesize
28KB

Download
memory/2776-147-0x0000000000AC0000-0x0000000000ACB000-memory.dmp

Filesize
44KB

Download
memory/2776-172-0x0000000000AD0000-0x0000000000AD7000-memory.dmp

Filesize
28KB

Download
memory/3128-158-0x0000000001200000-0x0000000001222000-memory.dmp

Filesize
136KB

Download
memory/3128-159-0x0000000000FD0000-0x0000000000FF7000-memory.dmp

Filesize
156KB

Download
memory/3128-175-0x0000000001200000-0x0000000001222000-memory.dmp

Filesize
136KB

Download
memory/4048-162-0x0000000000A40000-0x0000000000A49000-memory.dmp

Filesize
36KB

Download
memory/4048-176-0x0000000000A50000-0x0000000000A55000-memory.dmp

Filesize
20KB

Download
memory/4048-161-0x0000000000A50000-0x0000000000A55000-memory.dmp

Filesize
20KB

Download
memory/4328-133-0x0000000002180000-0x0000000002189000-memory.dmp

Filesize
36KB

Download
memory/4328-132-0x000000000067D000-0x000000000068E000-memory.dmp

Filesize
68KB

Download
memory/4328-134-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/4328-135-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/4364-170-0x0000000001030000-0x0000000001038000-memory.dmp

Filesize
32KB

Download
memory/4364-171-0x0000000001020000-0x000000000102B000-memory.dmp

Filesize
44KB

Download
memory/4364-179-0x0000000001030000-0x0000000001038000-memory.dmp

Filesize
32KB

Download
memory/4476-165-0x0000000000BC0000-0x0000000000BCB000-memory.dmp

Filesize
44KB

Download
memory/4476-164-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/4476-177-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download