smokeloader | cf1b38106e42989ddffb99e0163787135e7b294c5d5e88e3b47ca1b7cd0d6681

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 08:10

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General

Target

0x000300000001ac9e-134.exe
Size

311KB
MD5

fdde60834af109d71f4c7d28b865c8a1
SHA1

4f721105161b74e07b5ccd762d32932989bfb03a
SHA256

b0296c0000c40d59a268b223015872d7e57c427358b5e95d1bd6e4ac40dd0f87
SHA512

fecd130a4431fa81a1cf9be8019464b55bfb173dde91ced3a5828516bd51db509fd547c12dd483c00cdf5ade878ab542ffb6371238ccf960622bb464187b5778
SSDEEP

3072:eYtiwgUsQLaKw5lD5G53Nwu9YMqpyqvymEVKsEwjGCMjjjjjjjjo:vELQLaKEtG594MqpyqvyFXGCM

Score

10^/10

smokeloader 2010 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

2010

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2316	0x000300000001ac9e-134.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 2316	2536	0x000300000001ac9e-134.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	0x000300000001ac9e-134.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2316	2536	0x000300000001ac9e-134.exe	30
PID 2536 wrote to memory of 2316	2536	0x000300000001ac9e-134.exe	30
PID 2536 wrote to memory of 2316	2536	0x000300000001ac9e-134.exe	30
PID 2536 wrote to memory of 2316	2536	0x000300000001ac9e-134.exe	30
PID 2536 wrote to memory of 2316	2536	0x000300000001ac9e-134.exe	30
PID 2536 wrote to memory of 2316	2536	0x000300000001ac9e-134.exe	30
PID 2536 wrote to memory of 2316	2536	0x000300000001ac9e-134.exe	30

C:\Users\Admin\AppData\Local\Temp\0x000300000001ac9e-134.exe
"C:\Users\Admin\AppData\Local\Temp\0x000300000001ac9e-134.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\0x000300000001ac9e-134.exe
  "C:\Users\Admin\AppData\Local\Temp\0x000300000001ac9e-134.exe"
  2⤵
  - Loads dropped DLL
  PID:2316

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\4DD3.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2316-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2316-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2316-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2536-0-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/2536-1-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/2536-5-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download