smokeloader | 0e06e9585cc9db33ee999ca4de668ab64ef6e9fa928ae6541b2f1ec68ff09da8

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03-08-2024 15:52

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General

Target

15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe
Size

150KB
MD5

022f5345cfab4ef75476ffc7f708fcfe
SHA1

81802b0a5f738b7333a60eece96441c1bca19792
SHA256

15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71
SHA512

6595ef6e3e0b65afd0a4f7d5bd5650466a4299df8284180b48ff0e30a537a42616a98c530fa4d39fdbe30eb1cc6c72fd749a98551890a0b488f04fd164b49f53
SSDEEP

1536:YyuipsAiJm4cJI7CweL+eX9kEnOCGzJoQL2VwEeYIsUE4KvVf+boJPtgm4qeYwqN:FlpYU6vqXRPE2VyYIsf4K9ffFSqe72

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe

description	pid	process	target process
PID 2628 set thread context of 2824	2628	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe

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

Processes:

15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe

description	pid	process	target process
PID 2628 wrote to memory of 2824	2628	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe
PID 2628 wrote to memory of 2824	2628	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe
PID 2628 wrote to memory of 2824	2628	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe
PID 2628 wrote to memory of 2824	2628	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe
PID 2628 wrote to memory of 2824	2628	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe
PID 2628 wrote to memory of 2824	2628	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe
PID 2628 wrote to memory of 2824	2628	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe	15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe

C:\Users\Admin\AppData\Local\Temp\15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe
"C:\Users\Admin\AppData\Local\Temp\15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Users\Admin\AppData\Local\Temp\15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe
  "C:\Users\Admin\AppData\Local\Temp\15aeb8380c7b5b50ed1e2ff29c342cfe5c29a26554020001f7f9f1449f996e71.exe"
  2⤵
  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

memory/2628-4-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/2628-3-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2824-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

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

Filesize
4KB

Download
memory/2824-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2824-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2824-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download