smokeloader | 9a46e925a3455b196a79960ee08acb17c42192c229566f949d943ec501bf9508

Analysis

max time kernel
19s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 11:12

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General

Target

58d4a47a6c61276b8a77b4b141ad66d0N.exe
Size

885KB
MD5

58d4a47a6c61276b8a77b4b141ad66d0
SHA1

04154c6a1446b2860878f00351d1b5029396c1cc
SHA256

9a46e925a3455b196a79960ee08acb17c42192c229566f949d943ec501bf9508
SHA512

363000be838efe353f229df143218a97262193b2e8e880000c6a994d482d2dbe78d2fb8f91e9b25f42fbb9caef0a2f9ec33c51b2d53c99132200c85c243f3e28
SSDEEP

24576:J5gmjwYTGj40f4I0+SZONtu+/OCIFAh+UfdkNcrav5:J5gPY84U03YOCIFA8SgcWv5

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1620 set thread context of 5824	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe	30

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	58d4a47a6c61276b8a77b4b141ad66d0N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe
Token: SeDebugPrivilege	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 5824	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe	30
PID 1620 wrote to memory of 5824	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe	30
PID 1620 wrote to memory of 5824	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe	30
PID 1620 wrote to memory of 5824	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe	30
PID 1620 wrote to memory of 5824	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe	30
PID 1620 wrote to memory of 5824	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe	30
PID 1620 wrote to memory of 5824	1620	58d4a47a6c61276b8a77b4b141ad66d0N.exe	30

C:\Users\Admin\AppData\Local\Temp\58d4a47a6c61276b8a77b4b141ad66d0N.exe
"C:\Users\Admin\AppData\Local\Temp\58d4a47a6c61276b8a77b4b141ad66d0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\58d4a47a6c61276b8a77b4b141ad66d0N.exe
  "C:\Users\Admin\AppData\Local\Temp\58d4a47a6c61276b8a77b4b141ad66d0N.exe"
  2⤵
  PID:5824

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

Replay Monitor

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Downloads

memory/1620-48-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-3-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-2-0x0000000004290000-0x0000000004372000-memory.dmp

Filesize
904KB

Download
memory/1620-36-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-4-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-6-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-14-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-20-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-22-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-26-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-30-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-28-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-32-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-24-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-34-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-66-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-16-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-12-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-10-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-8-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-1086-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/1620-1-0x00000000002B0000-0x0000000000394000-memory.dmp

Filesize
912KB

Download
memory/1620-18-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-64-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-62-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-60-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-58-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-57-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-54-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-52-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-50-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-46-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-44-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-42-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-40-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-38-0x0000000004290000-0x000000000436C000-memory.dmp

Filesize
880KB

Download
memory/1620-1075-0x0000000004190000-0x00000000041EC000-memory.dmp

Filesize
368KB

Download
memory/1620-1076-0x00000000041F0000-0x000000000423C000-memory.dmp

Filesize
304KB

Download
memory/1620-1077-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/1620-1078-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/1620-1079-0x0000000004470000-0x00000000044C4000-memory.dmp

Filesize
336KB

Download
memory/1620-0-0x000000007418E000-0x000000007418F000-memory.dmp

Filesize
4KB

Download
memory/5824-1085-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download