smokeloader | 831ec334b4f5f045aa0ac5f69a91bb69b40741a44b019f3546f21a9aeda6fcd2

General

Target

de207c74c9afa99f39122c8fb5e8b1e1.exe
Size

180KB
MD5

de207c74c9afa99f39122c8fb5e8b1e1
SHA1

f0a65c9b9b97632b424bd3e3c42932aeb42ac811
SHA256

831ec334b4f5f045aa0ac5f69a91bb69b40741a44b019f3546f21a9aeda6fcd2
SHA512

a9884d4696c687716f5c303b6123655738ec64f61f41b1366a47a3bb14f2895fba1a9778958db5bb0015e7aed7eb0fd345320935748f565490656c8765718d7b

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

2756
Suspicious use of SetThreadContext 1 IoCs

Processes:

de207c74c9afa99f39122c8fb5e8b1e1.exe

description pid process target process

PID 3540 set thread context of 1552 3540 de207c74c9afa99f39122c8fb5e8b1e1.exe de207c74c9afa99f39122c8fb5e8b1e1.exe

pid	process
2756

description	pid	process	target process
PID 3540 set thread context of 1552	3540	de207c74c9afa99f39122c8fb5e8b1e1.exe	de207c74c9afa99f39122c8fb5e8b1e1.exe

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

Processes:

de207c74c9afa99f39122c8fb5e8b1e1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	de207c74c9afa99f39122c8fb5e8b1e1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	de207c74c9afa99f39122c8fb5e8b1e1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	de207c74c9afa99f39122c8fb5e8b1e1.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

de207c74c9afa99f39122c8fb5e8b1e1.exe

pid	process
1552	de207c74c9afa99f39122c8fb5e8b1e1.exe
1552	de207c74c9afa99f39122c8fb5e8b1e1.exe
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2756
Suspicious behavior: MapViewOfSection 19 IoCs

Processes:

de207c74c9afa99f39122c8fb5e8b1e1.exe

pid process

1552 de207c74c9afa99f39122c8fb5e8b1e1.exe
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
2756
Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

2756

pid	process
2756

pid	process
2756

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

de207c74c9afa99f39122c8fb5e8b1e1.exe

description	pid	process	target process
PID 3540 wrote to memory of 1552	3540	de207c74c9afa99f39122c8fb5e8b1e1.exe	de207c74c9afa99f39122c8fb5e8b1e1.exe
PID 3540 wrote to memory of 1552	3540	de207c74c9afa99f39122c8fb5e8b1e1.exe	de207c74c9afa99f39122c8fb5e8b1e1.exe
PID 3540 wrote to memory of 1552	3540	de207c74c9afa99f39122c8fb5e8b1e1.exe	de207c74c9afa99f39122c8fb5e8b1e1.exe
PID 3540 wrote to memory of 1552	3540	de207c74c9afa99f39122c8fb5e8b1e1.exe	de207c74c9afa99f39122c8fb5e8b1e1.exe
PID 3540 wrote to memory of 1552	3540	de207c74c9afa99f39122c8fb5e8b1e1.exe	de207c74c9afa99f39122c8fb5e8b1e1.exe
PID 3540 wrote to memory of 1552	3540	de207c74c9afa99f39122c8fb5e8b1e1.exe	de207c74c9afa99f39122c8fb5e8b1e1.exe
PID 2756 wrote to memory of 3104	2756		explorer.exe
PID 2756 wrote to memory of 3104	2756		explorer.exe
PID 2756 wrote to memory of 3104	2756		explorer.exe
PID 2756 wrote to memory of 3104	2756		explorer.exe
PID 2756 wrote to memory of 1112	2756		explorer.exe
PID 2756 wrote to memory of 1112	2756		explorer.exe
PID 2756 wrote to memory of 1112	2756		explorer.exe
PID 2756 wrote to memory of 3508	2756		explorer.exe
PID 2756 wrote to memory of 3508	2756		explorer.exe
PID 2756 wrote to memory of 3508	2756		explorer.exe
PID 2756 wrote to memory of 3508	2756		explorer.exe
PID 2756 wrote to memory of 3692	2756		explorer.exe
PID 2756 wrote to memory of 3692	2756		explorer.exe
PID 2756 wrote to memory of 3692	2756		explorer.exe
PID 2756 wrote to memory of 2980	2756		explorer.exe
PID 2756 wrote to memory of 2980	2756		explorer.exe
PID 2756 wrote to memory of 2980	2756		explorer.exe
PID 2756 wrote to memory of 2980	2756		explorer.exe
PID 2756 wrote to memory of 1252	2756		explorer.exe
PID 2756 wrote to memory of 1252	2756		explorer.exe
PID 2756 wrote to memory of 1252	2756		explorer.exe
PID 2756 wrote to memory of 2180	2756		explorer.exe
PID 2756 wrote to memory of 2180	2756		explorer.exe
PID 2756 wrote to memory of 2180	2756		explorer.exe
PID 2756 wrote to memory of 2180	2756		explorer.exe
PID 2756 wrote to memory of 3172	2756		explorer.exe
PID 2756 wrote to memory of 3172	2756		explorer.exe
PID 2756 wrote to memory of 3172	2756		explorer.exe
PID 2756 wrote to memory of 644	2756		explorer.exe
PID 2756 wrote to memory of 644	2756		explorer.exe
PID 2756 wrote to memory of 644	2756		explorer.exe
PID 2756 wrote to memory of 644	2756		explorer.exe

C:\Users\Admin\AppData\Local\Temp\de207c74c9afa99f39122c8fb5e8b1e1.exe
"C:\Users\Admin\AppData\Local\Temp\de207c74c9afa99f39122c8fb5e8b1e1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3540

C:\Users\Admin\AppData\Local\Temp\de207c74c9afa99f39122c8fb5e8b1e1.exe
"C:\Users\Admin\AppData\Local\Temp\de207c74c9afa99f39122c8fb5e8b1e1.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1552

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3104

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1112

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3508

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3692

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

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1252

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2180

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3172

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:644

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/644-143-0x00000000036F0000-0x00000000036F5000-memory.dmp

Filesize
20KB

Download
memory/644-144-0x00000000036E0000-0x00000000036E9000-memory.dmp

Filesize
36KB

Download
memory/644-142-0x0000000000000000-mapping.dmp

Download
memory/1112-121-0x0000000000000000-mapping.dmp

Download
memory/1112-122-0x0000000000510000-0x0000000000517000-memory.dmp

Filesize
28KB

Download
memory/1112-123-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/1252-134-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1252-135-0x0000000000120000-0x000000000012C000-memory.dmp

Filesize
48KB

Download
memory/1252-133-0x0000000000000000-mapping.dmp

Download
memory/1552-114-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1552-115-0x0000000000402E1A-mapping.dmp

Download
memory/2180-138-0x0000000000AA0000-0x0000000000AA9000-memory.dmp

Filesize
36KB

Download
memory/2180-137-0x0000000000AB0000-0x0000000000AB4000-memory.dmp

Filesize
16KB

Download
memory/2180-136-0x0000000000000000-mapping.dmp

Download
memory/2756-117-0x0000000000950000-0x0000000000966000-memory.dmp

Filesize
88KB

Download
memory/2980-130-0x0000000000000000-mapping.dmp

Download
memory/2980-132-0x0000000000320000-0x0000000000329000-memory.dmp

Filesize
36KB

Download
memory/2980-131-0x0000000000330000-0x0000000000335000-memory.dmp

Filesize
20KB

Download
memory/3104-120-0x0000000000AC0000-0x0000000000B2B000-memory.dmp

Filesize
428KB

Download
memory/3104-118-0x0000000000000000-mapping.dmp

Download
memory/3104-119-0x0000000000B30000-0x0000000000BA4000-memory.dmp

Filesize
464KB

Download
memory/3172-139-0x0000000000000000-mapping.dmp

Download
memory/3172-140-0x00000000008B0000-0x00000000008B5000-memory.dmp

Filesize
20KB

Download
memory/3172-141-0x00000000008A0000-0x00000000008A9000-memory.dmp

Filesize
36KB

Download
memory/3508-126-0x0000000000150000-0x000000000015B000-memory.dmp

Filesize
44KB

Download
memory/3508-125-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download
memory/3508-124-0x0000000000000000-mapping.dmp

Download
memory/3540-116-0x0000000002D90000-0x0000000002D9A000-memory.dmp

Filesize
40KB

Download
memory/3692-128-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

Download
memory/3692-129-0x00000000003D0000-0x00000000003DF000-memory.dmp

Filesize
60KB

Download
memory/3692-127-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads