smokeloader | 33bca0b7c35d92fe1dec4638d803349ca76a0f4b2a647efa49697edb77d2ae95

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 13:36

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General

Target

7zSCD97F9B7/61cf42ddca121_Fri1754a29da57.exe
Size

339KB
MD5

c6ba95e6a2570df9355492eedcba2692
SHA1

cabb84ac43c787653803d539c4c11e98f0216977
SHA256

d1ce9967a983bf8a13464a30145ea9acda0810f9fad52990e96e6d6fda6c3299
SHA512

6c3874e0f033f00ce9e9451abc6909d88f4e629790a6dba325f4568e29b3d3e1c121c357367833503699f065d5d9d7e064853ef6f4bdde0ef8290979daf26f3f
SSDEEP

6144:f7ag7wGLhJvadhZIV8urx/Ybt+34cRAOaHkIehGoE:f7p7wGfydhZIV8uF/Ybt+3sOaHEE

Score

10^/10

smokeloader pub5 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub5

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	2172	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61cf42ddca121_Fri1754a29da57.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2808	2172	61cf42ddca121_Fri1754a29da57.exe	30
PID 2172 wrote to memory of 2808	2172	61cf42ddca121_Fri1754a29da57.exe	30
PID 2172 wrote to memory of 2808	2172	61cf42ddca121_Fri1754a29da57.exe	30
PID 2172 wrote to memory of 2808	2172	61cf42ddca121_Fri1754a29da57.exe	30

C:\Users\Admin\AppData\Local\Temp\7zSCD97F9B7\61cf42ddca121_Fri1754a29da57.exe
"C:\Users\Admin\AppData\Local\Temp\7zSCD97F9B7\61cf42ddca121_Fri1754a29da57.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 136
  2⤵
  - Program crash
  PID:2808

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/2172-1-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download
memory/2172-2-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2172-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2172-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2172-5-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2172-4-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download