smokeloader | 035dad8c5fb3dcb774defe9b4474eec0622087f08682669fce1a9489dceac28f

Analysis

max time kernel
130s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-08-2024 07:38

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General

Target

PO_229933.xls.exe
Size

82KB
MD5

90313f085fd67e5291224bf6ada89f83
SHA1

f2d515016d95048e159722ed8b0c4802e5f26a3c
SHA256

8851198fe51d57d89d841b942657cfb301edb3be7e3cbb64bbb8199fd6778f47
SHA512

d7da5fe8bae690942456ab55ef3011eae9e1b01e314243d65f1ef76bfe0b9f1ccce412726865a509b97d5a2dd4ad8a37c0fc2a2907702481fc397aed7d9de6a5
SSDEEP

1536:6UkviO5JCrTcEADkfTbrc2di3t/4mDEdjqZf6pTtrsCLs50mIZHc4TgzqhZHiNz:6Uv+0vcPaoftVgufWYCLVmH1+Ez

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4332	PO_229933.xls.exe

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	PO_229933.xls.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	PO_229933.xls.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	PO_229933.xls.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	PO_229933.xls.exe

C:\Users\Admin\AppData\Local\Temp\PO_229933.xls.exe
"C:\Users\Admin\AppData\Local\Temp\PO_229933.xls.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4332

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\B702.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/4332-0-0x0000000000400000-0x0000000000C17000-memory.dmp

Filesize
8.1MB

Download
memory/4332-1-0x0000000000D00000-0x0000000000D02000-memory.dmp

Filesize
8KB

Download
memory/4332-2-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4332-9-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4332-8-0x0000000000400000-0x0000000000C17000-memory.dmp

Filesize
8.1MB

Download