smokeloader | d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27-08-2024 04:32

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General

Target

d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe
Size

301KB
MD5

8b7b39a22f88119b577d18f5203d3580
SHA1

d2dd1ce5afc18dbdd98d3d328f29863eaf84dc01
SHA256

d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc
SHA512

f70acbb31b5777824fa861ce7d4df4b4fd5b64767be312b9167cbcf99545cc07d0bd445052e6dafb58a1af5f9ffe95e567501f0287b48b846002109e14c94a8f
SSDEEP

6144:Fmh8ukYHxfL62vUH4L3GvyFv+WxsVfsKE0VXQ9M0:Fk8uJL62MsGKBxwfspP9H

Score

10^/10

smokeloader 0304 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0304

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2212	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 2212	2680	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	31

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	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2212	2680	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	31
PID 2680 wrote to memory of 2212	2680	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	31
PID 2680 wrote to memory of 2212	2680	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	31
PID 2680 wrote to memory of 2212	2680	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	31
PID 2680 wrote to memory of 2212	2680	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	31
PID 2680 wrote to memory of 2212	2680	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	31
PID 2680 wrote to memory of 2212	2680	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	31

C:\Users\Admin\AppData\Local\Temp\d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe
"C:\Users\Admin\AppData\Local\Temp\d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Local\Temp\d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe
  "C:\Users\Admin\AppData\Local\Temp\d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe"
  2⤵
  - Loads dropped DLL
  PID:2212

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

\Users\Admin\AppData\Local\Temp\AE30.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2212-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2212-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2212-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2212-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2680-5-0x0000000000510000-0x0000000000610000-memory.dmp

Filesize
1024KB

Download
memory/2680-4-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/2680-14-0x0000000000510000-0x0000000000610000-memory.dmp

Filesize
1024KB

Download