smokeloader | 7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 04:03

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General

Target

7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe
Size

1.3MB
MD5

bd872ba52ce39a98cafeb40929e262a5
SHA1

3e07fd75182b19df884e838efcbae0b4d7303dd4
SHA256

7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62
SHA512

d0a35363007737631ed34a52e4cc1181f46fbe96177e360bd70bfc931546758e5e8088d02fd09cdc54c41ba524ab1264db05d4ff3455949bb73265b103f859d3
SSDEEP

24576:SRPuEL3DiXwK5FN3fiVcsR5jUSrPCzqNz1TL4kGT3nYaBZ2iUP:SRGELD81FNycsR542VpTL4k6Y9R

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 588 set thread context of 5652	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	37

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
2840	timeout.exe
2876	timeout.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe
Token: SeDebugPrivilege	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 588 wrote to memory of 2804	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	30
PID 588 wrote to memory of 2804	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	30
PID 588 wrote to memory of 2804	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	30
PID 588 wrote to memory of 2804	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	30
PID 2804 wrote to memory of 2840	2804	cmd.exe	32
PID 2804 wrote to memory of 2840	2804	cmd.exe	32
PID 2804 wrote to memory of 2840	2804	cmd.exe	32
PID 2804 wrote to memory of 2840	2804	cmd.exe	32
PID 588 wrote to memory of 2748	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	33
PID 588 wrote to memory of 2748	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	33
PID 588 wrote to memory of 2748	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	33
PID 588 wrote to memory of 2748	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	33
PID 2748 wrote to memory of 2876	2748	cmd.exe	35
PID 2748 wrote to memory of 2876	2748	cmd.exe	35
PID 2748 wrote to memory of 2876	2748	cmd.exe	35
PID 2748 wrote to memory of 2876	2748	cmd.exe	35
PID 588 wrote to memory of 5652	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	37
PID 588 wrote to memory of 5652	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	37
PID 588 wrote to memory of 5652	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	37
PID 588 wrote to memory of 5652	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	37
PID 588 wrote to memory of 5652	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	37
PID 588 wrote to memory of 5652	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	37
PID 588 wrote to memory of 5652	588	7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe	37

C:\Users\Admin\AppData\Local\Temp\7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe
"C:\Users\Admin\AppData\Local\Temp\7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 10
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\timeout.exe
    timeout 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 10
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\timeout.exe
    timeout 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2876
- C:\Users\Admin\AppData\Local\Temp\7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe
  "C:\Users\Admin\AppData\Local\Temp\7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62.exe"
  2⤵
  PID:5652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/588-22-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-38-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-2-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/588-3-0x0000000005A10000-0x0000000005AEC000-memory.dmp

Filesize
880KB

Download
memory/588-4-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/588-5-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/588-6-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/588-16-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-7-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-8-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-36-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-12-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-40-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-42-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-44-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-20-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-34-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-32-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-30-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-28-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-26-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-24-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-1-0x0000000001170000-0x00000000012B8000-memory.dmp

Filesize
1.3MB

Download
memory/588-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/588-48-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-14-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-10-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-50-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-56-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-60-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-62-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-64-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-68-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-70-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-66-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-58-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-54-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-52-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-18-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-46-0x0000000005A10000-0x0000000005AE6000-memory.dmp

Filesize
856KB

Download
memory/588-1043-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/588-1044-0x00000000010A0000-0x00000000010FC000-memory.dmp

Filesize
368KB

Download
memory/588-1045-0x0000000004990000-0x00000000049DC000-memory.dmp

Filesize
304KB

Download
memory/588-1046-0x0000000005930000-0x0000000005984000-memory.dmp

Filesize
336KB

Download
memory/588-1056-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/5652-1055-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download