smokeloader | b9fd74ec604c94a72b24a3395b7607d195acf20f7f51ceda0976e30e3c3d5ecc

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 14:12

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General

Target

c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe
Size

260KB
MD5

a755e18dab13a29c0a8e12d9aac21778
SHA1

75c29e65751f8da9e204d95b45d14df194c16c2a
SHA256

c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512
SHA512

e568873c3596e0d4d01e34bec2e53ace0ef6f2a3af9e554b36ff7d6ba2d3d9143b695525a007c6aa8ee96602b02884854375890b2b6a20e1dafab97dc9578c91
SSDEEP

3072:CXO/PKPhyXuLHXYOa7n5n/WqKC4jYTGwE86DnGP6WPbJdiM/h3R:CgKPQXuLXa9/1KC4SA86DW6WW8

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 2240	2492	c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.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	c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2240	2492	c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe	30
PID 2492 wrote to memory of 2240	2492	c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe	30
PID 2492 wrote to memory of 2240	2492	c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe	30
PID 2492 wrote to memory of 2240	2492	c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe	30
PID 2492 wrote to memory of 2240	2492	c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe	30
PID 2492 wrote to memory of 2240	2492	c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe	30
PID 2492 wrote to memory of 2240	2492	c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe	30

C:\Users\Admin\AppData\Local\Temp\c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe
"C:\Users\Admin\AppData\Local\Temp\c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe
  "C:\Users\Admin\AppData\Local\Temp\c534f7cfc62dc838722475d2272efdaac877c7d1617fe2e392a3433393fe4512.exe"
  2⤵
  PID:2240

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

memory/2240-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2240-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2240-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2240-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2492-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2492-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp

Filesize
1024KB

Download