smokeloader | fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82

Analysis

max time kernel
93s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 11:09

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General

Target

fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe
Size

222KB
MD5

5beab67e02d1d3480a411af022d3c9c7
SHA1

5a5cb906ddfea4fff20ace80785a07f4d1b1e179
SHA256

fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82
SHA512

59e6f7b5529ab0cfcfcbb8f8b8362ffa6f4b1ae154d64265e0f1236df10680170808fa3c3af01b8bb743c07a481ab77cc77d0615a827573e932f9c2432007ea4
SSDEEP

6144:AreQ7SkLyF9I2Z/lNW3xE7+MsqLHuFrcCuu:AK/MzBGs2Ufuu

Score

10^/10

smokeloader 2210 backdoor discovery trojan upx

Malware Config

Extracted

Family

smokeloader

Botnet

2210

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3760	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1992-7-0x0000000000400000-0x00000000047BB000-memory.dmp	upx
behavioral2/memory/1992-1-0x0000000000400000-0x00000000047BB000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 3760	1992	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	83

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	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.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	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 3760	1992	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	83
PID 1992 wrote to memory of 3760	1992	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	83
PID 1992 wrote to memory of 3760	1992	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	83
PID 1992 wrote to memory of 3760	1992	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	83
PID 1992 wrote to memory of 3760	1992	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	83
PID 1992 wrote to memory of 3760	1992	fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe	83

C:\Users\Admin\AppData\Local\Temp\fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe
"C:\Users\Admin\AppData\Local\Temp\fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe
  "C:\Users\Admin\AppData\Local\Temp\fe61b7e86b36434229c393ff08855254174d29a69980f2760848dae487288c82.bin.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:3760

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\4DD3.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1992-8-0x00000000001D0000-0x00000000001DD000-memory.dmp

Filesize
52KB

Download
memory/1992-9-0x00000000001C0000-0x00000000001CC000-memory.dmp

Filesize
48KB

Download
memory/1992-7-0x0000000000400000-0x00000000047BB000-memory.dmp

Filesize
67.7MB

Download
memory/1992-1-0x0000000000400000-0x00000000047BB000-memory.dmp

Filesize
67.7MB

Download
memory/3760-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3760-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download