smokeloader | 39e3bbf455fbdefb460830eeb5467c01b10adecd418e36eed9cef7a395d32cd3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 01:28

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General

Target

02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe
Size

289KB
MD5

a3ed7dde4a9506eb99ebcffd889ff2f5
SHA1

63b6c363ad8f8826b61f1368fa55a8df868b7182
SHA256

02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c
SHA512

86d13fc17500342e63e5ddf0c430a6ac45d9210ff588d8885a318abf530fefcf80f7e03346dec78881c3596b29db3d80ca291abe4ea0d1d4ed5c993ae9a46fa4
SSDEEP

6144:xIWHpMSmnj/UuC8wxyN/fPyCRtJJbRCmtDeUDT:xIWKTnLUywEdttJJdCCn

Score

10^/10

smokeloader 0103 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0103

Signatures

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

Loads dropped DLL 1 IoCs

Processes:

02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe

pid	Process
1096	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe

description	pid	Process	procid_target
PID 1292 set thread context of 1096	1292	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe	85

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:

02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.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

Processes:

02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe

description	pid	Process	procid_target
PID 1292 wrote to memory of 1096	1292	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe	85
PID 1292 wrote to memory of 1096	1292	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe	85
PID 1292 wrote to memory of 1096	1292	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe	85
PID 1292 wrote to memory of 1096	1292	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe	85
PID 1292 wrote to memory of 1096	1292	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe	85
PID 1292 wrote to memory of 1096	1292	02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe	85

C:\Users\Admin\AppData\Local\Temp\02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe
"C:\Users\Admin\AppData\Local\Temp\02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Users\Admin\AppData\Local\Temp\02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe
  "C:\Users\Admin\AppData\Local\Temp\02d1136079dc3aee91af021a5fc064106ddb2c0f61359b878fe97a8667cabb1c.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:1096

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/1096-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1096-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1096-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1292-1-0x0000000000870000-0x0000000000970000-memory.dmp

Filesize
1024KB

Download
memory/1292-2-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download