smokeloader | 2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 19:13

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General

Target

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe
Size

340KB
MD5

eab517b21be9801e6e5be4d9583fbcf2
SHA1

ce6d0f01047e72fcc106a637fc24351d2467443e
SHA256

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46
SHA512

8cdaf8a2df53c71417b46059b5a74da531f3d5d6130519c2b4fbb374fe68a5d807dd0646f21e9c6fa506c7b098432885148a7c11a9c22fe4f5595d19a3d9027c
SSDEEP

6144:+NU9qyrR+J/l5JjBr5vIpygbB3K536z2+3f:+iLRQr1Br5vIIgbO3

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe

description	pid	Process	procid_target
PID 2096 set thread context of 2216	2096	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	86

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

Processes:

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.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:

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe

description	pid	Process	procid_target
PID 2096 wrote to memory of 2216	2096	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	86
PID 2096 wrote to memory of 2216	2096	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	86
PID 2096 wrote to memory of 2216	2096	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	86
PID 2096 wrote to memory of 2216	2096	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	86
PID 2096 wrote to memory of 2216	2096	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	86
PID 2096 wrote to memory of 2216	2096	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	86

C:\Users\Admin\AppData\Local\Temp\2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe
"C:\Users\Admin\AppData\Local\Temp\2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Local\Temp\2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe
  "C:\Users\Admin\AppData\Local\Temp\2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2216

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/2096-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp

Filesize
1024KB

Download
memory/2096-2-0x0000000002CD0000-0x0000000002CD9000-memory.dmp

Filesize
36KB

Download
memory/2216-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2216-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2216-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download