smokeloader | 3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 21:02

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General

Target

3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe
Size

286KB
MD5

9a4fcbea16ee5cb0722322dcb4f172d7
SHA1

212250977391546633f240ed16fc4ce359a7e923
SHA256

3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6
SHA512

a458ead4cb7b439e075c02926bbb8be1990dc43f62b3bd827f4abd8d8b7d59f2b9490c6d52e9f7d14523345d324941873d72a7264efa3962e2c5c3c4d1ec5fb6
SSDEEP

6144:YvVr0aSlClNJ5tw3URjwYske/6b5w5aCncjRFgxJIG7L:Yx0aSLke/1kCnWRO

Score

10^/10

smokeloader pub6 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub6

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2400	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2768	2400	WerFault.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	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2768	2400	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe	31
PID 2400 wrote to memory of 2768	2400	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe	31
PID 2400 wrote to memory of 2768	2400	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe	31
PID 2400 wrote to memory of 2768	2400	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe	31

C:\Users\Admin\AppData\Local\Temp\3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe
"C:\Users\Admin\AppData\Local\Temp\3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 128
  2⤵
  - Program crash
  PID:2768

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\CC4F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2400-3-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download
memory/2400-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2400-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/2400-7-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/2400-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2400-8-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download