smokeloader | 29346aca116d82653b5055fe4a91b3ec889284716dfe2760dcbc793589fede80

Analysis

max time kernel
103s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 12:31

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General

Target

683b8d56cc93a5b9dd63e70c8186dde0N.exe
Size

358KB
MD5

683b8d56cc93a5b9dd63e70c8186dde0
SHA1

dc28c13ba04ecde27fc2c1ff50f56de54cdb9110
SHA256

29346aca116d82653b5055fe4a91b3ec889284716dfe2760dcbc793589fede80
SHA512

2f4d45a2b492b2cc06bedcb8ca16b925221922a078b4139d0e1740d4c5373b7ffb1684184236e365cb0d22274cbdd7122dee8f46e7df84db3ac58d484a493b0a
SSDEEP

6144:5t0Wytsa993UQPBFaR5kCXSqCZckcf4KAxJxhIS565mLDPJFBTLzaV:5lsZEQbaR5kCXSqCRcgCS56wPR

Score

10^/10

smokeloader 1004 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

1004

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2984	683b8d56cc93a5b9dd63e70c8186dde0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 2984	2436	683b8d56cc93a5b9dd63e70c8186dde0N.exe	89

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	683b8d56cc93a5b9dd63e70c8186dde0N.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	683b8d56cc93a5b9dd63e70c8186dde0N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	683b8d56cc93a5b9dd63e70c8186dde0N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	683b8d56cc93a5b9dd63e70c8186dde0N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2984	2436	683b8d56cc93a5b9dd63e70c8186dde0N.exe	89
PID 2436 wrote to memory of 2984	2436	683b8d56cc93a5b9dd63e70c8186dde0N.exe	89
PID 2436 wrote to memory of 2984	2436	683b8d56cc93a5b9dd63e70c8186dde0N.exe	89
PID 2436 wrote to memory of 2984	2436	683b8d56cc93a5b9dd63e70c8186dde0N.exe	89
PID 2436 wrote to memory of 2984	2436	683b8d56cc93a5b9dd63e70c8186dde0N.exe	89
PID 2436 wrote to memory of 2984	2436	683b8d56cc93a5b9dd63e70c8186dde0N.exe	89

C:\Users\Admin\AppData\Local\Temp\683b8d56cc93a5b9dd63e70c8186dde0N.exe
"C:\Users\Admin\AppData\Local\Temp\683b8d56cc93a5b9dd63e70c8186dde0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\683b8d56cc93a5b9dd63e70c8186dde0N.exe
  "C:\Users\Admin\AppData\Local\Temp\683b8d56cc93a5b9dd63e70c8186dde0N.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AE30.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/2436-2-0x00000000006D0000-0x00000000006DC000-memory.dmp

Filesize
48KB

Download
memory/2436-1-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2984-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2984-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2984-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download