smokeloader | e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6

Analysis

max time kernel
81s
max time network
22s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13/01/2025, 13:28

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General

Target

e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe
Size

108KB
MD5

67669172a766fa3e25bf730b2d5ff532
SHA1

55c578be1300784ef448cf04b69881d4690553bb
SHA256

e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6
SHA512

2ac0bf764021937d798d397054fcb464aa06da611c7e000a957357721af31e75277ab4869966bdf52276d13951330f39c46c3a00f0193f21a34ae94131c80250
SSDEEP

1536:SrTOCL3hT4oEq6mTcY5sdq2C2I1XDG8310/NW9c4lbpA:GOCLx0oEMcY5y7mzGlyc4J+

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2824	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2824	2772	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.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	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2824	2772	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	31
PID 2772 wrote to memory of 2824	2772	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	31
PID 2772 wrote to memory of 2824	2772	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	31
PID 2772 wrote to memory of 2824	2772	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	31
PID 2772 wrote to memory of 2824	2772	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	31
PID 2772 wrote to memory of 2824	2772	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	31
PID 2772 wrote to memory of 2824	2772	e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe	31

C:\Users\Admin\AppData\Local\Temp\e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe
"C:\Users\Admin\AppData\Local\Temp\e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe
  "C:\Users\Admin\AppData\Local\Temp\e2f1d73b9f53bb67d06db93685649c3aba016659bcb79b6e3c18d05423aed0e6.exe"
  2⤵
  - Loads dropped DLL
  PID:2824

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\D47F.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2772-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2772-5-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/2824-6-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2824-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-7-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2824-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download