smokeloader | 18ba1702f630dcc4338ebca9353a0568517e34cb910a9fdaced98efd3933e2e5

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 15:38

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General

Target

9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe
Size

116KB
MD5

9ef4e2013dd741e33d122fa52e5e000e
SHA1

136e52ae787a975f0bd5960848fb4850fc91b77d
SHA256

18ba1702f630dcc4338ebca9353a0568517e34cb910a9fdaced98efd3933e2e5
SHA512

f0af679b12d8c432bdf642a34e558ca26df7b51958b31908fcc76a62221b534370d1bb4392079dd335739067991c1abb0e409f20e6bd6cfbe057bbc20e30c46d
SSDEEP

3072:oj4322JYYmDO53jEubLiLBwLPlUBEqW3wF/vA0n:o0GGYdDO91iwzl5HwFvA0

Score

10^/10

smokeloader sa2 backdoor persistence trojan

Malware Config

Extracted

Family

smokeloader

Botnet

SA2

Signatures

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

Core1 .NET packer 1 IoCs

Detects packer/loader used by .NET malware.

resource	yara_rule
behavioral1/memory/1820-3-0x00000000006F0000-0x0000000000704000-memory.dmp	Core1

Loads dropped DLL 1 IoCs

pid	Process
1272	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\dllhost.exe"	9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1820 set thread context of 1272	1820	9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe	29

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1272	1820	9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe	29
PID 1820 wrote to memory of 1272	1820	9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe	29
PID 1820 wrote to memory of 1272	1820	9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe	29
PID 1820 wrote to memory of 1272	1820	9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe	29
PID 1820 wrote to memory of 1272	1820	9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe	29
PID 1820 wrote to memory of 1272	1820	9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe	29
PID 1820 wrote to memory of 1272	1820	9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9ef4e2013dd741e33d122fa52e5e000e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWow64\svchost.exe
  "C:\\Windows\\SysWow64\\svchost.exe"
  2⤵
  - Loads dropped DLL
  PID:1272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\D8E6.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/1272-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1272-17-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1272-14-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1272-7-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1272-8-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1272-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1820-3-0x00000000006F0000-0x0000000000704000-memory.dmp

Filesize
80KB

Download
memory/1820-5-0x0000000000720000-0x0000000000728000-memory.dmp

Filesize
32KB

Download
memory/1820-6-0x0000000000730000-0x000000000073A000-memory.dmp

Filesize
40KB

Download
memory/1820-4-0x000007FEF5E50000-0x000007FEF683C000-memory.dmp

Filesize
9.9MB

Download
memory/1820-0-0x000007FEF5E53000-0x000007FEF5E54000-memory.dmp

Filesize
4KB

Download
memory/1820-2-0x00000000006D0000-0x00000000006E4000-memory.dmp

Filesize
80KB

Download
memory/1820-1-0x000000013F400000-0x000000013F422000-memory.dmp

Filesize
136KB

Download
memory/1820-18-0x000007FEF5E50000-0x000007FEF683C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads