smokeloader | 9a7f4d4d2c440b8009781e82023e52e122d77c584ff7bef19002a29e3b918efd

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/04/2024, 07:47

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General

Target

ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe
Size

312KB
MD5

ecebcfb4709df4fd437cac2d5f14cb05
SHA1

3aab7c184d965c66e23ebe9b281a897512a8d4bc
SHA256

9a7f4d4d2c440b8009781e82023e52e122d77c584ff7bef19002a29e3b918efd
SHA512

49bb4a1005ddcd186a7b98b2a14bbf2ebbe7a474662e671a50aef6115b5307c51385eaf518be7534d289070045604f44932f95d482ff3869343ecb268892c06a
SSDEEP

6144:D6HdDo6Ge4/tijD11qOHT/Iw6ZxpRwgZI8e:qdcpe4/Mf11qOHT/YxpRwof

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

http://linavanandr11.club/

http://iselaharty12.club/

http://giovaninardo13.club/

http://zayneliann14.club/

http://zorinosali15.club/

rc4.i32

Signatures

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

Deletes itself 1 IoCs

pid	Process
1188	Process not Found

Executes dropped EXE 2 IoCs

pid	Process
1436	uvjdcah
1564	uvjdcah

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 2904	2244	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe	28
PID 1436 set thread context of 1564	1436	uvjdcah	33

Checks SCSI registry key(s) 3 TTPs 6 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	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	uvjdcah
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	uvjdcah
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	uvjdcah

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2904	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe
2904	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2904	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2904	2244	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe	28
PID 2244 wrote to memory of 2904	2244	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe	28
PID 2244 wrote to memory of 2904	2244	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe	28
PID 2244 wrote to memory of 2904	2244	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe	28
PID 2244 wrote to memory of 2904	2244	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe	28
PID 2244 wrote to memory of 2904	2244	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe	28
PID 2244 wrote to memory of 2904	2244	ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe	28
PID 268 wrote to memory of 1436	268	taskeng.exe	32
PID 268 wrote to memory of 1436	268	taskeng.exe	32
PID 268 wrote to memory of 1436	268	taskeng.exe	32
PID 268 wrote to memory of 1436	268	taskeng.exe	32
PID 1436 wrote to memory of 1564	1436	uvjdcah	33
PID 1436 wrote to memory of 1564	1436	uvjdcah	33
PID 1436 wrote to memory of 1564	1436	uvjdcah	33
PID 1436 wrote to memory of 1564	1436	uvjdcah	33
PID 1436 wrote to memory of 1564	1436	uvjdcah	33
PID 1436 wrote to memory of 1564	1436	uvjdcah	33
PID 1436 wrote to memory of 1564	1436	uvjdcah	33

C:\Users\Admin\AppData\Local\Temp\ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ecebcfb4709df4fd437cac2d5f14cb05_JaffaCakes118.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2904

C:\Windows\system32\taskeng.exe
taskeng.exe {12257B04-42CD-4EF6-9191-AF20278A990D} S-1-5-21-1658372521-4246568289-2509113762-1000:PIRBKNPS\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:268
- C:\Users\Admin\AppData\Roaming\uvjdcah
  C:\Users\Admin\AppData\Roaming\uvjdcah
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1436
- - C:\Users\Admin\AppData\Roaming\uvjdcah
    C:\Users\Admin\AppData\Roaming\uvjdcah
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    PID:1564

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

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Downloads

C:\Users\Admin\AppData\Roaming\uvjdcah

Filesize
312KB

MD5
ecebcfb4709df4fd437cac2d5f14cb05

SHA1
3aab7c184d965c66e23ebe9b281a897512a8d4bc

SHA256
9a7f4d4d2c440b8009781e82023e52e122d77c584ff7bef19002a29e3b918efd

SHA512
49bb4a1005ddcd186a7b98b2a14bbf2ebbe7a474662e671a50aef6115b5307c51385eaf518be7534d289070045604f44932f95d482ff3869343ecb268892c06a

Download Submit
memory/1188-7-0x0000000001DB0000-0x0000000001DC6000-memory.dmp

Filesize
88KB

Download
memory/1436-22-0x0000000001802000-0x0000000001813000-memory.dmp

Filesize
68KB

Download
memory/1564-23-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2244-4-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2244-5-0x0000000001820000-0x0000000001920000-memory.dmp

Filesize
1024KB

Download
memory/2904-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2904-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2904-11-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download