smokeloader | e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca

Analysis

max time kernel
149s
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
10/11/2024, 19:41

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General

Target

e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe
Size

287KB
MD5

3b62027b5ad062925dba8ac27cdc733b
SHA1

abdfc92462ed3cc83a3fdadf55aa06d9d88189c5
SHA256

e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca
SHA512

31a4e11463cbfecc1e142c65b4c4602f491479142aaf9ca4b0f1ff9db493c738c9828c3c57c3d70f098489590114fbcde607a94daf81b2f82625ea551c771515
SSDEEP

3072:wVy4W05xOv2e1hLhxv0JiXGrYvwtP7e+J5kLE+uifBsjjMghLDCBYukxFtnC8wui:E0zjn0JrjtP7lIE+XJsvMgF+B2Tk7q

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 4244 set thread context of 924	4244	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe	86

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	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.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	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 924	4244	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe	86
PID 4244 wrote to memory of 924	4244	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe	86
PID 4244 wrote to memory of 924	4244	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe	86
PID 4244 wrote to memory of 924	4244	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe	86
PID 4244 wrote to memory of 924	4244	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe	86
PID 4244 wrote to memory of 924	4244	e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe	86

C:\Users\Admin\AppData\Local\Temp\e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe
"C:\Users\Admin\AppData\Local\Temp\e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Users\Admin\AppData\Local\Temp\e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe
  "C:\Users\Admin\AppData\Local\Temp\e1ab77cb5148b58f11ae58a5f30ee5095ac3e3957326c6f3fa887bee143ca3ca.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:924

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

Replay Monitor

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Downloads

memory/924-3-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/924-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/924-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4244-1-0x0000000002B80000-0x0000000002C80000-memory.dmp

Filesize
1024KB

Download
memory/4244-2-0x0000000002D00000-0x0000000002D09000-memory.dmp

Filesize
36KB

Download