smokeloader | 301c51f5c052afa1a5cc5c2081f912644ee80c3b2da7e39fda3765a3d650e89f

Analysis

max time kernel
133s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 05:53

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General

Target

cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe
Size

138KB
MD5

cc52286fbd9c0dabeda1b1f2b4a7b40c
SHA1

398122a2a4ec55ea5cb0c91f079539902fb1e69d
SHA256

301c51f5c052afa1a5cc5c2081f912644ee80c3b2da7e39fda3765a3d650e89f
SHA512

4e6c5ff5c1b249990515c95ef66efbc6f5f1bd1e1e2e03ada047453f1458e9e0b87b3e052d034a78519c8d828840d9b0f1b0ed93dce0a1e9c0b3d6611113ebd8
SSDEEP

1536:tms4IzbOnzgP23xcC9S3+5t51U4u+XEzvMk6yRXZD8AFvCXe9ujlwhXw90+xsLW:t5rSn0uN9Fjl/Ez6yBFvpYl2F+xsLW

Score

10^/10

smokeloader ku11 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

ku11

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1588	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
448	1588	WerFault.exe	90

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	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.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	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc52286fbd9c0dabeda1b1f2b4a7b40c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1588
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 532
  2⤵
  - Program crash
  PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1588 -ip 1588
1⤵
PID:4288

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4048,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4468 /prefetch:8
1⤵
PID:1920

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

C:\Users\Admin\AppData\Local\Temp\5C1B.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1588-0-0x0000000002B10000-0x0000000002B11000-memory.dmp

Filesize
4KB

Download
memory/1588-2-0x0000000002B40000-0x0000000002B4A000-memory.dmp

Filesize
40KB

Download
memory/1588-1-0x0000000002B30000-0x0000000002B3A000-memory.dmp

Filesize
40KB

Download
memory/1588-7-0x0000000002B40000-0x0000000002B4A000-memory.dmp

Filesize
40KB

Download