smokeloader | 2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 19:13

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General

Target

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe
Size

340KB
MD5

eab517b21be9801e6e5be4d9583fbcf2
SHA1

ce6d0f01047e72fcc106a637fc24351d2467443e
SHA256

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46
SHA512

8cdaf8a2df53c71417b46059b5a74da531f3d5d6130519c2b4fbb374fe68a5d807dd0646f21e9c6fa506c7b098432885148a7c11a9c22fe4f5595d19a3d9027c
SSDEEP

6144:+NU9qyrR+J/l5JjBr5vIpygbB3K536z2+3f:+iLRQr1Br5vIIgbO3

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:

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe

description	pid	Process	procid_target
PID 3052 set thread context of 2380	3052	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.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

Processes:

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe

description	pid	Process	procid_target
PID 3052 wrote to memory of 2380	3052	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	30
PID 3052 wrote to memory of 2380	3052	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	30
PID 3052 wrote to memory of 2380	3052	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	30
PID 3052 wrote to memory of 2380	3052	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	30
PID 3052 wrote to memory of 2380	3052	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	30
PID 3052 wrote to memory of 2380	3052	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	30
PID 3052 wrote to memory of 2380	3052	2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe	30

C:\Users\Admin\AppData\Local\Temp\2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe
"C:\Users\Admin\AppData\Local\Temp\2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe
  "C:\Users\Admin\AppData\Local\Temp\2640ff775c497029d597af63a1463022d3b7231cf134cb3f1b69cdf5f7d3cc46.exe"
  2⤵
  PID:2380

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/2380-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2380-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3052-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/3052-1-0x0000000002CE0000-0x0000000002DE0000-memory.dmp

Filesize
1024KB

Download