smokeloader | b075bb81edd55fa1a3fb85d304fe852e782ed7f0f6ce5410db289ec97b5af476

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 07:39

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General

Target

03071d90baee16127c9c7239b268d910N.exe
Size

263KB
MD5

03071d90baee16127c9c7239b268d910
SHA1

2f12b8c1de73fabeb5a2c0c7e680ecc969bfa757
SHA256

b075bb81edd55fa1a3fb85d304fe852e782ed7f0f6ce5410db289ec97b5af476
SHA512

ce0bec48bc3b092568675aeb1bdc3ea517aaaa94d4b9fe75d468e506da696787146905d88be4880c11841326cb31f0124bde64cfb5b4eac36a5bed0a1ab7580b
SSDEEP

6144:n6a3IeJVoILzGBuXxh33mri0+3r84+MUA:PJyI3XxR3mu0vvA

Score

10^/10

smokeloader 2210 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

2210

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2176	03071d90baee16127c9c7239b268d910N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 2176	1488	03071d90baee16127c9c7239b268d910N.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	03071d90baee16127c9c7239b268d910N.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	03071d90baee16127c9c7239b268d910N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	03071d90baee16127c9c7239b268d910N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	03071d90baee16127c9c7239b268d910N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2176	1488	03071d90baee16127c9c7239b268d910N.exe	86
PID 1488 wrote to memory of 2176	1488	03071d90baee16127c9c7239b268d910N.exe	86
PID 1488 wrote to memory of 2176	1488	03071d90baee16127c9c7239b268d910N.exe	86
PID 1488 wrote to memory of 2176	1488	03071d90baee16127c9c7239b268d910N.exe	86
PID 1488 wrote to memory of 2176	1488	03071d90baee16127c9c7239b268d910N.exe	86
PID 1488 wrote to memory of 2176	1488	03071d90baee16127c9c7239b268d910N.exe	86

C:\Users\Admin\AppData\Local\Temp\03071d90baee16127c9c7239b268d910N.exe
"C:\Users\Admin\AppData\Local\Temp\03071d90baee16127c9c7239b268d910N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\03071d90baee16127c9c7239b268d910N.exe
  "C:\Users\Admin\AppData\Local\Temp\03071d90baee16127c9c7239b268d910N.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:2176

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

C:\Users\Admin\AppData\Local\Temp\4DD3.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1488-1-0x0000000002FD0000-0x00000000030D0000-memory.dmp

Filesize
1024KB

Download
memory/1488-2-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2176-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2176-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2176-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download