smokeloader | 397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153

Analysis

max time kernel
91s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-08-2024 20:03

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General

Target

397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe
Size

337KB
MD5

09a3791119e544010c72ef80930faaa7
SHA1

c0175cde31c5f9183deeead0f7976834cc642783
SHA256

397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153
SHA512

40bf4a3b088f36866cbe288cd0a5abfadd8d3a042ff29f0ca6bd8e0e6f6f13e32aeeb55f197f2088e89d89eaa1875f4b43f81cc208314c78a7243f520e6ecb1a
SSDEEP

6144:+1eDLOVvtIFILo0o2VE7wozsLiTDdL4eM1ktT93Mhj:+1MOVv0Im2V6wzSdL4eWktTg

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
2344	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2344	2744	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.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	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2344	2744	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	30
PID 2744 wrote to memory of 2344	2744	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	30
PID 2744 wrote to memory of 2344	2744	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	30
PID 2744 wrote to memory of 2344	2744	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	30
PID 2744 wrote to memory of 2344	2744	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	30
PID 2744 wrote to memory of 2344	2744	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	30
PID 2744 wrote to memory of 2344	2744	397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe	30

C:\Users\Admin\AppData\Local\Temp\397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe
"C:\Users\Admin\AppData\Local\Temp\397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe
  "C:\Users\Admin\AppData\Local\Temp\397b7c861f15fae570afabc79246f970458526d728b9e564e329e662bfcf8153.exe"
  2⤵
  - Loads dropped DLL
  PID:2344

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/2344-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2344-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2344-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2344-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2744-5-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2744-4-0x00000000001B0000-0x00000000001BC000-memory.dmp

Filesize
48KB

Download