smokeloader | 7f9173994bceb3d14f526d1c32ba5af275bec4831b47d8de7085b6612da10e65

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 10:53

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General

Target

f1965569afa17e668bdf4319aed4bb4f.exe
Size

276KB
MD5

f1965569afa17e668bdf4319aed4bb4f
SHA1

f753673de7e996fb95734169346b685f67974115
SHA256

7f9173994bceb3d14f526d1c32ba5af275bec4831b47d8de7085b6612da10e65
SHA512

c02a5b25a208db4419a68bf65dc2014f8a68c61b5f321749d03b5ee3ca138f74b08054ddc1672ec6fbb260a98e38c93854cdb4d874416cdd2cd501a7cd1f4e18
SSDEEP

6144:uc3uKBLH1C5lzWRMU8F6TFmJq9DiO5l6qqZ:uguKh1SlzWRMU8kYJMDiOq

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2128	1748	WerFault.exe	29

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:

f1965569afa17e668bdf4319aed4bb4f.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1965569afa17e668bdf4319aed4bb4f.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f1965569afa17e668bdf4319aed4bb4f.exe

description	pid	Process	procid_target
PID 1748 wrote to memory of 2128	1748	f1965569afa17e668bdf4319aed4bb4f.exe	30
PID 1748 wrote to memory of 2128	1748	f1965569afa17e668bdf4319aed4bb4f.exe	30
PID 1748 wrote to memory of 2128	1748	f1965569afa17e668bdf4319aed4bb4f.exe	30
PID 1748 wrote to memory of 2128	1748	f1965569afa17e668bdf4319aed4bb4f.exe	30

C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.exe
"C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 136
  2⤵
  - Program crash
  PID:2128

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/1748-3-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1748-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1748-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1748-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download