smokeloader | cfc34e5f72f2f5960b55cdf15d303a4a3b1922779743587d81c7de00af23f2c0

General

Target

b19ea68941ac6a60f6a2d98fa80c022c.exe
Size

181KB
MD5

b19ea68941ac6a60f6a2d98fa80c022c
SHA1

e1e3166abb974f8f1194005e46f73c2eb4218ead
SHA256

cfc34e5f72f2f5960b55cdf15d303a4a3b1922779743587d81c7de00af23f2c0
SHA512

a52cbf0539df5706b286f878d328dc02e1a2111c112b77be027e6d8a6d8fadea47373484c8e7c33b64ee9a2280dd225a4c91de620f63a904a064d89e6d08d644

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

2824
Suspicious use of SetThreadContext 1 IoCs

Processes:

b19ea68941ac6a60f6a2d98fa80c022c.exe

description pid process target process

PID 3916 set thread context of 1496 3916 b19ea68941ac6a60f6a2d98fa80c022c.exe b19ea68941ac6a60f6a2d98fa80c022c.exe

pid	process
2824

description	pid	process	target process
PID 3916 set thread context of 1496	3916	b19ea68941ac6a60f6a2d98fa80c022c.exe	b19ea68941ac6a60f6a2d98fa80c022c.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:

b19ea68941ac6a60f6a2d98fa80c022c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b19ea68941ac6a60f6a2d98fa80c022c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b19ea68941ac6a60f6a2d98fa80c022c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b19ea68941ac6a60f6a2d98fa80c022c.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b19ea68941ac6a60f6a2d98fa80c022c.exe

pid	process
1496	b19ea68941ac6a60f6a2d98fa80c022c.exe
1496	b19ea68941ac6a60f6a2d98fa80c022c.exe
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2824
Suspicious behavior: MapViewOfSection 19 IoCs

Processes:

b19ea68941ac6a60f6a2d98fa80c022c.exe

pid process

1496 b19ea68941ac6a60f6a2d98fa80c022c.exe
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
2824
Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

2824

pid	process
2824

pid	process
2824

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

b19ea68941ac6a60f6a2d98fa80c022c.exe

description	pid	process	target process
PID 3916 wrote to memory of 1496	3916	b19ea68941ac6a60f6a2d98fa80c022c.exe	b19ea68941ac6a60f6a2d98fa80c022c.exe
PID 3916 wrote to memory of 1496	3916	b19ea68941ac6a60f6a2d98fa80c022c.exe	b19ea68941ac6a60f6a2d98fa80c022c.exe
PID 3916 wrote to memory of 1496	3916	b19ea68941ac6a60f6a2d98fa80c022c.exe	b19ea68941ac6a60f6a2d98fa80c022c.exe
PID 3916 wrote to memory of 1496	3916	b19ea68941ac6a60f6a2d98fa80c022c.exe	b19ea68941ac6a60f6a2d98fa80c022c.exe
PID 3916 wrote to memory of 1496	3916	b19ea68941ac6a60f6a2d98fa80c022c.exe	b19ea68941ac6a60f6a2d98fa80c022c.exe
PID 3916 wrote to memory of 1496	3916	b19ea68941ac6a60f6a2d98fa80c022c.exe	b19ea68941ac6a60f6a2d98fa80c022c.exe
PID 2824 wrote to memory of 2176	2824		explorer.exe
PID 2824 wrote to memory of 2176	2824		explorer.exe
PID 2824 wrote to memory of 2176	2824		explorer.exe
PID 2824 wrote to memory of 2176	2824		explorer.exe
PID 2824 wrote to memory of 1512	2824		explorer.exe
PID 2824 wrote to memory of 1512	2824		explorer.exe
PID 2824 wrote to memory of 1512	2824		explorer.exe
PID 2824 wrote to memory of 2256	2824		explorer.exe
PID 2824 wrote to memory of 2256	2824		explorer.exe
PID 2824 wrote to memory of 2256	2824		explorer.exe
PID 2824 wrote to memory of 2256	2824		explorer.exe
PID 2824 wrote to memory of 2668	2824		explorer.exe
PID 2824 wrote to memory of 2668	2824		explorer.exe
PID 2824 wrote to memory of 2668	2824		explorer.exe
PID 2824 wrote to memory of 1120	2824		explorer.exe
PID 2824 wrote to memory of 1120	2824		explorer.exe
PID 2824 wrote to memory of 1120	2824		explorer.exe
PID 2824 wrote to memory of 1120	2824		explorer.exe
PID 2824 wrote to memory of 3924	2824		explorer.exe
PID 2824 wrote to memory of 3924	2824		explorer.exe
PID 2824 wrote to memory of 3924	2824		explorer.exe
PID 2824 wrote to memory of 2424	2824		explorer.exe
PID 2824 wrote to memory of 2424	2824		explorer.exe
PID 2824 wrote to memory of 2424	2824		explorer.exe
PID 2824 wrote to memory of 2424	2824		explorer.exe
PID 2824 wrote to memory of 3876	2824		explorer.exe
PID 2824 wrote to memory of 3876	2824		explorer.exe
PID 2824 wrote to memory of 3876	2824		explorer.exe
PID 2824 wrote to memory of 3928	2824		explorer.exe
PID 2824 wrote to memory of 3928	2824		explorer.exe
PID 2824 wrote to memory of 3928	2824		explorer.exe
PID 2824 wrote to memory of 3928	2824		explorer.exe

C:\Users\Admin\AppData\Local\Temp\b19ea68941ac6a60f6a2d98fa80c022c.exe
"C:\Users\Admin\AppData\Local\Temp\b19ea68941ac6a60f6a2d98fa80c022c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3916

C:\Users\Admin\AppData\Local\Temp\b19ea68941ac6a60f6a2d98fa80c022c.exe
"C:\Users\Admin\AppData\Local\Temp\b19ea68941ac6a60f6a2d98fa80c022c.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1496

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2176

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1512

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2256

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2668

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1120

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3924

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2424

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3876

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3928

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

Loading Replay Monitor...

Downloads

memory/1120-130-0x0000000000000000-mapping.dmp

Download
memory/1120-131-0x0000000000F80000-0x0000000000F85000-memory.dmp

Filesize
20KB

Download
memory/1120-132-0x0000000000F70000-0x0000000000F79000-memory.dmp

Filesize
36KB

Download
memory/1496-115-0x0000000000402E1A-mapping.dmp

Download
memory/1496-114-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1512-122-0x0000000000420000-0x0000000000427000-memory.dmp

Filesize
28KB

Download
memory/1512-123-0x0000000000410000-0x000000000041C000-memory.dmp

Filesize
48KB

Download
memory/1512-121-0x0000000000000000-mapping.dmp

Download
memory/2176-118-0x0000000000000000-mapping.dmp

Download
memory/2176-119-0x00000000037D0000-0x0000000003844000-memory.dmp

Filesize
464KB

Download
memory/2176-120-0x00000000012F0000-0x000000000135B000-memory.dmp

Filesize
428KB

Download
memory/2256-124-0x0000000000000000-mapping.dmp

Download
memory/2256-125-0x00000000009F0000-0x00000000009F7000-memory.dmp

Filesize
28KB

Download
memory/2256-126-0x00000000009E0000-0x00000000009EB000-memory.dmp

Filesize
44KB

Download
memory/2424-136-0x0000000000000000-mapping.dmp

Download
memory/2424-137-0x0000000001000000-0x0000000001004000-memory.dmp

Filesize
16KB

Download
memory/2424-138-0x0000000000DF0000-0x0000000000DF9000-memory.dmp

Filesize
36KB

Download
memory/2668-129-0x00000000008F0000-0x00000000008FF000-memory.dmp

Filesize
60KB

Download
memory/2668-128-0x0000000000900000-0x0000000000909000-memory.dmp

Filesize
36KB

Download
memory/2668-127-0x0000000000000000-mapping.dmp

Download
memory/2824-117-0x0000000000F40000-0x0000000000F56000-memory.dmp

Filesize
88KB

Download
memory/3876-140-0x0000000000840000-0x0000000000845000-memory.dmp

Filesize
20KB

Download
memory/3876-141-0x0000000000830000-0x0000000000839000-memory.dmp

Filesize
36KB

Download
memory/3876-139-0x0000000000000000-mapping.dmp

Download
memory/3916-116-0x0000000002CD0000-0x0000000002CDA000-memory.dmp

Filesize
40KB

Download
memory/3924-135-0x0000000000900000-0x000000000090C000-memory.dmp

Filesize
48KB

Download
memory/3924-134-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3924-133-0x0000000000000000-mapping.dmp

Download
memory/3928-142-0x0000000000000000-mapping.dmp

Download
memory/3928-143-0x0000000000990000-0x0000000000995000-memory.dmp

Filesize
20KB

Download
memory/3928-144-0x0000000000980000-0x0000000000989000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads