smokeloader | c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 14:01

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General

Target

c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe
Size

261KB
MD5

45101b98b75fad3d4f972e2cbf4923ac
SHA1

1661cdcfeabd2aa475ba817580820d568b9ce65c
SHA256

c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006
SHA512

3a641c9fd46629d5c55bc4f67e3434d9c8d474bb36fba00354b3b56672f096e8eb9276a198b44939618340c730c8f646ac9a27a78c78fcc12a29a239272d17bf
SSDEEP

3072:HxGmB7A8L5xarcz5cCAAy9UGLDmaBkk7nCaNGxfEYFyKv+KeM/h3:ImBM8LnaX9UGGaBkkL1NYfEuyg+5

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 4504	2216	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 4504	2216	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe	82
PID 2216 wrote to memory of 4504	2216	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe	82
PID 2216 wrote to memory of 4504	2216	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe	82
PID 2216 wrote to memory of 4504	2216	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe	82
PID 2216 wrote to memory of 4504	2216	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe	82
PID 2216 wrote to memory of 4504	2216	c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe	82

C:\Users\Admin\AppData\Local\Temp\c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe
"C:\Users\Admin\AppData\Local\Temp\c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe
  "C:\Users\Admin\AppData\Local\Temp\c1a44100e79671e693e8ef87f745fc76bcca58c53e99f9dd93fe15b91f49d006.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2216-1-0x0000000002CC0000-0x0000000002DC0000-memory.dmp

Filesize
1024KB

Download
memory/2216-2-0x0000000002CA0000-0x0000000002CA9000-memory.dmp

Filesize
36KB

Download
memory/4504-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4504-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4504-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download