smokeloader | 428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d

Analysis

max time kernel
150s
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
05/11/2024, 22:13

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General

Target

428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe
Size

211KB
MD5

c14ed8f7874f6acf7a9362d59fc1b238
SHA1

c594b2df74864e5c04084647f76c351c531973c7
SHA256

428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d
SHA512

935c4772c2ea603d2bb24eecf80054654aece95095d57fa7fb3afe9b7d9344f8ab0d65a3d938a32fdb901aafdebfd37c97ba68fd3d49409b045f4bd278fd871a
SSDEEP

6144:2qogFu6U3xkxaRHEF+AOLHvvt4pYg5XC:2qzFuTxBEKgJC

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

description	pid	Process	procid_target
PID 1356 set thread context of 624	1356	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe	93

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3000	1356	WerFault.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	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	RegSvcs.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 2076	1356	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe	92
PID 1356 wrote to memory of 2076	1356	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe	92
PID 1356 wrote to memory of 2076	1356	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe	92
PID 1356 wrote to memory of 624	1356	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe	93
PID 1356 wrote to memory of 624	1356	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe	93
PID 1356 wrote to memory of 624	1356	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe	93
PID 1356 wrote to memory of 624	1356	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe	93
PID 1356 wrote to memory of 624	1356	428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe	93

C:\Users\Admin\AppData\Local\Temp\428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe
"C:\Users\Admin\AppData\Local\Temp\428fd5ec28a5a8e2f2cf2cf183ae79779d72ea0e4805d66179fbf100b847f51d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2076
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 292
  2⤵
  - Program crash
  PID:3000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1356 -ip 1356
1⤵
PID:1680

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

memory/624-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1356-0-0x0000000000621000-0x0000000000623000-memory.dmp

Filesize
8KB

Download