smokeloader | 7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 00:19

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General

Target

7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe
Size

291KB
MD5

53df2620eca55c7da3436b729be855c4
SHA1

80c86374ff3c13f30b4378b031a6e0e3b9103f3a
SHA256

7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c
SHA512

24c3042a515d92bc9507fa745980e7abb8bb8078dc9ec1d1015230f84163bcc8e19594873a005f450bf30416993663278839717f43ec944b84caf4d495d9b106
SSDEEP

6144:cQAR5/CqnaIQFOarWxzV6lVKxODpRKIki:cvRRaIQF7+zV6lVKxODJT

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe

description	pid	process	target process
PID 2900 set thread context of 492	2900	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.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:

7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe

description	pid	process	target process
PID 2900 wrote to memory of 492	2900	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe
PID 2900 wrote to memory of 492	2900	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe
PID 2900 wrote to memory of 492	2900	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe
PID 2900 wrote to memory of 492	2900	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe
PID 2900 wrote to memory of 492	2900	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe
PID 2900 wrote to memory of 492	2900	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe
PID 2900 wrote to memory of 492	2900	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe	7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe

C:\Users\Admin\AppData\Local\Temp\7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe
"C:\Users\Admin\AppData\Local\Temp\7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Users\Admin\AppData\Local\Temp\7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe
  "C:\Users\Admin\AppData\Local\Temp\7d2d25aff7430a0c9d7f49f4ae051ec6e4c1a0f7f8154f8e7b6f267189c7358c.exe"
  2⤵
  PID:492

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

memory/492-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/492-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/492-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/492-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2900-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2900-5-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download