smokeloader | e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2025, 13:28

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General

Target

e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe
Size

108KB
MD5

67669172a766fa3e25bf730b2d5ff532
SHA1

55c578be1300784ef448cf04b69881d4690553bb
SHA256

e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6
SHA512

2ac0bf764021937d798d397054fcb464aa06da611c7e000a957357721af31e75277ab4869966bdf52276d13951330f39c46c3a00f0193f21a34ae94131c80250
SSDEEP

1536:SrTOCL3hT4oEq6mTcY5sdq2C2I1XDG8310/NW9c4lbpA:GOCLx0oEMcY5y7mzGlyc4J+

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3560	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4680 set thread context of 3560	4680	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.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	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.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	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 3560	4680	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	82
PID 4680 wrote to memory of 3560	4680	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	82
PID 4680 wrote to memory of 3560	4680	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	82
PID 4680 wrote to memory of 3560	4680	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	82
PID 4680 wrote to memory of 3560	4680	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	82
PID 4680 wrote to memory of 3560	4680	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	82

C:\Users\Admin\AppData\Local\Temp\e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe
"C:\Users\Admin\AppData\Local\Temp\e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Users\Admin\AppData\Local\Temp\e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe
  "C:\Users\Admin\AppData\Local\Temp\e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:3560

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

C:\Users\Admin\AppData\Local\Temp\D47F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/3560-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3560-4-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3560-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4680-1-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/4680-2-0x00000000005D0000-0x00000000005DA000-memory.dmp

Filesize
40KB

Download