smokeloader | 4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955

Analysis

max time kernel
148s
max time network
151s
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 13:45

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General

Target

4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe
Size

272KB
MD5

db35edf8d4310f37ef67ded609224c77
SHA1

c9958d9128a603602681b012474bada9265a0dd9
SHA256

4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955
SHA512

91ed64f75fb78e0996bb83c7a06a8996493bf0d1909b2b27b8fd4ebc0cd66a4c2384529cad0672d0966c28053932588108fc558ee8637425552441bb924d31b1
SSDEEP

6144:EqulKzGMz+9YfGcWSA6fQH0UkHhSfbr5W:E9KGMBfGcWSPFBH0fbrU

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 4680 set thread context of 1748	4680	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe	83

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	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 1748	4680	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe	83
PID 4680 wrote to memory of 1748	4680	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe	83
PID 4680 wrote to memory of 1748	4680	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe	83
PID 4680 wrote to memory of 1748	4680	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe	83
PID 4680 wrote to memory of 1748	4680	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe	83
PID 4680 wrote to memory of 1748	4680	4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe	83

C:\Users\Admin\AppData\Local\Temp\4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe
"C:\Users\Admin\AppData\Local\Temp\4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Users\Admin\AppData\Local\Temp\4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe
  "C:\Users\Admin\AppData\Local\Temp\4eaedbcf172906a0479c5a5c79ba25ab5d874db37ce8441e85bd14502c223955.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1748

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

Replay Monitor

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Downloads

memory/1748-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1748-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1748-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4680-2-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download
memory/4680-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download