smokeloader | 5a80f6f31674a3a055d5a51039b0d4fc0efec29f0854de24266e9028e15f81d2

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 23:15

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General

Target

b09e4723471348175bce0a07a7675476_JaffaCakes118.exe
Size

98KB
MD5

b09e4723471348175bce0a07a7675476
SHA1

fd2caff58a288248ce721f1cfdcb116dbd5b8677
SHA256

5a80f6f31674a3a055d5a51039b0d4fc0efec29f0854de24266e9028e15f81d2
SHA512

9e7e9de4671af8ad73104562beb0a5131b30d84f0e44e7d061d837773d4a72ed8ab166607baf96f23690e8bab9efba2a5a761443fcaa64645df6a1d0b7558a36
SSDEEP

3072:gw4gnScGuDI2dcTzQEpn0keRvuqpmEqNNiHI+dyVhQ:gz2guluBESQo+8Q

Score

10^/10

smokeloader sp30 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sp30

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
2752	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe
2752	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk 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\Services\Disk\Enum	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 2664	2752	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2752	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2664	2752	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe	28
PID 2752 wrote to memory of 2664	2752	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe	28
PID 2752 wrote to memory of 2664	2752	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe	28
PID 2752 wrote to memory of 2664	2752	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe	28
PID 2752 wrote to memory of 2664	2752	b09e4723471348175bce0a07a7675476_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\b09e4723471348175bce0a07a7675476_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b09e4723471348175bce0a07a7675476_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Users\Admin\AppData\Local\Temp\b09e4723471348175bce0a07a7675476_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b09e4723471348175bce0a07a7675476_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  PID:2664

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsy7C71.tmp\System.dll

Filesize
11KB

MD5
2ae993a2ffec0c137eb51c8832691bcb

SHA1
98e0b37b7c14890f8a599f35678af5e9435906e1

SHA256
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

SHA512
2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

Download Submit
\Users\Admin\AppData\Local\Temp\nsy7C71.tmp\nsDialogs.dll

Filesize
9KB

MD5
13b6a88cf284d0f45619e76191e2b995

SHA1
09ebb0eb4b1dca73d354368414906fc5ad667e06

SHA256
cb958e21c3935ef7697a2f14d64cae0f9264c91a92d2deeb821ba58852dac911

SHA512
2aeeae709d759e34592d8a06c90e58aa747e14d54be95fb133994fdcebb1bdc8bc5d82782d0c8c3cdfd35c7bea5d7105379d3c3a25377a8c958c7b2555b1209e

Download Submit
memory/2664-12-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2664-15-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download