smokeloader | f6dbd7deff3d7d6265f975fb067a780536555baa78db06ea6138f39e50712ee9

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:48

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General

Target

826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe
Size

648KB
MD5

8f2761d2cbf7b7cf13e4cffb5ef39922
SHA1

d75f4fa25f1cae8d96825882fa3ebe085e7d3e77
SHA256

826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424
SHA512

8ebc49fcf3c83e8275b202724846348a0886af7171a438d2572125b7314a4863b4cf7676aa9dba0bd1a811ef27ab2d9f12fe4121a96fddfa1f28154386003fa2
SSDEEP

12288:tUdYc2t6o3liPtHaf6Z5rk3AoML1IvX9Dkntr/wJ69JK1BQfdFyXuwIq8gS:tUdYueYofudk39vNQV06+BQfdFyXrhS

Score

10^/10

smokeloader li90 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

li90

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
328	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1076	328	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	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 328 wrote to memory of 1076	328	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe	30
PID 328 wrote to memory of 1076	328	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe	30
PID 328 wrote to memory of 1076	328	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe	30
PID 328 wrote to memory of 1076	328	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe	30

C:\Users\Admin\AppData\Local\Temp\826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe
"C:\Users\Admin\AppData\Local\Temp\826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 328 -s 196
  2⤵
  - Program crash
  PID:1076

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

\Users\Admin\AppData\Local\Temp\5C1B.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/328-3-0x0000000011B70000-0x0000000011B7A000-memory.dmp

Filesize
40KB

Download
memory/328-2-0x0000000011B60000-0x0000000011B6A000-memory.dmp

Filesize
40KB

Download
memory/328-1-0x0000000011B40000-0x0000000011B41000-memory.dmp

Filesize
4KB

Download
memory/328-0-0x0000000011B40000-0x0000000011B41000-memory.dmp

Filesize
4KB

Download
memory/328-7-0x0000000011B70000-0x0000000011B7A000-memory.dmp

Filesize
40KB

Download