smokeloader | b081f8fe43e1da86658f8918fd2af795d4b018672ffa5893d8cc318b1fac4d3f

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27-08-2024 06:12

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General

Target

10c07024001658ac39197127350a9320N.exe
Size

346KB
MD5

10c07024001658ac39197127350a9320
SHA1

1313bd2c7d073fdcc07bdbb5800385d94519b32f
SHA256

b081f8fe43e1da86658f8918fd2af795d4b018672ffa5893d8cc318b1fac4d3f
SHA512

a9c650e9c5733e7d1ec9cfbf86d5c2d09ddc6a65477065064b8f78081de9c6205f8b691072b421689a001efb2b70f032c2bac5903dccf0f0da0e4793c10620d0
SSDEEP

6144:rlZXUTeGHJEZFrL4eA3RG4inBRct64ED9adS73MYP:rveeGmrzA3M4in4M9adgP

Score

10^/10

smokeloader 0604 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0604

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2400	10c07024001658ac39197127350a9320N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2524 set thread context of 2400	2524	10c07024001658ac39197127350a9320N.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	10c07024001658ac39197127350a9320N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2400	2524	10c07024001658ac39197127350a9320N.exe	30
PID 2524 wrote to memory of 2400	2524	10c07024001658ac39197127350a9320N.exe	30
PID 2524 wrote to memory of 2400	2524	10c07024001658ac39197127350a9320N.exe	30
PID 2524 wrote to memory of 2400	2524	10c07024001658ac39197127350a9320N.exe	30
PID 2524 wrote to memory of 2400	2524	10c07024001658ac39197127350a9320N.exe	30
PID 2524 wrote to memory of 2400	2524	10c07024001658ac39197127350a9320N.exe	30
PID 2524 wrote to memory of 2400	2524	10c07024001658ac39197127350a9320N.exe	30

C:\Users\Admin\AppData\Local\Temp\10c07024001658ac39197127350a9320N.exe
"C:\Users\Admin\AppData\Local\Temp\10c07024001658ac39197127350a9320N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\10c07024001658ac39197127350a9320N.exe
  "C:\Users\Admin\AppData\Local\Temp\10c07024001658ac39197127350a9320N.exe"
  2⤵
  - Loads dropped DLL
  PID:2400

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/2400-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2400-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2400-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2400-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2524-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/2524-2-0x00000000002A0000-0x00000000002AC000-memory.dmp

Filesize
48KB

Download