smokeloader | 85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/11/2024, 13:53

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General

Target

85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe
Size

182KB
MD5

e35c38cea86a956040146681c273f0a3
SHA1

3bed3aef64e9ed07319d9d31c0d34d37e9793f3c
SHA256

85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c
SHA512

fbde55155efb613b1c1ff4ecb8eb57dc4a09320954c86ea8473a7283e124175ad7d6bbf014e4cc8b5a968729005a687e0ad9be1844ae81efccfface1c652df05
SSDEEP

3072:QP19Vaft7dmr4Aat2cQC5Uc6DQr+xYshsZVggjcGkNIVqIe52:M1+mrLAgLQZ/b7ITsqs

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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 1968 set thread context of 2556	1968	85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe	31

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	85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2556	1968	85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe	31
PID 1968 wrote to memory of 2556	1968	85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe	31
PID 1968 wrote to memory of 2556	1968	85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe	31
PID 1968 wrote to memory of 2556	1968	85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe	31
PID 1968 wrote to memory of 2556	1968	85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe	31
PID 1968 wrote to memory of 2556	1968	85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe	31
PID 1968 wrote to memory of 2556	1968	85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe	31

C:\Users\Admin\AppData\Local\Temp\85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe
"C:\Users\Admin\AppData\Local\Temp\85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe
  "C:\Users\Admin\AppData\Local\Temp\85585b606c360fc5118b62c058fa1e997b59261fcbdf18099faf681bdab9051c.exe"
  2⤵
  PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1968-0-0x0000000000020000-0x0000000000028000-memory.dmp

Filesize
32KB

Download
memory/1968-1-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download
memory/1968-6-0x0000000000020000-0x0000000000028000-memory.dmp

Filesize
32KB

Download
memory/2556-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2556-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2556-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download