smokeloader | bde800ed0a49fc1218bec16d932723c50129f6de01105afaa617bbbab4f30e2e

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 23:10

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General

Target

fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe
Size

173KB
MD5

fb12a99645d3ede4dcf3c5a0b0120bcb
SHA1

2bd9fe44567d87f837bbc53efcc6ee9114f172bf
SHA256

bde800ed0a49fc1218bec16d932723c50129f6de01105afaa617bbbab4f30e2e
SHA512

4e51684bd9eb188df3234aed04a31380a635e700a041eedf20f01d5a8761837d763fc71302c019fac443272ddd7d4cb05143f89196678f502c7252ced3a018d7
SSDEEP

3072:jkp4vvgSJ8EvgsprebUGysnTLZsQMBkZnAcfF8EhMqU6zJg/jBQavWH:jc/SG0bpq12XmF8ECP6u/tQavW

Score

10^/10

smokeloader 1337 backdoor persistence trojan

Malware Config

Extracted

Family

smokeloader

Botnet

1337

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/2876-3-0x0000000000170000-0x0000000000192000-memory.dmp	Core1

Loads dropped DLL 1 IoCs

pid	Process
2764	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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\patchidm.exe = "C:\\Users\\Admin\\AppData\\Roaming\\patchidm.exe"	fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 2764	2876	fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe	30

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2764	2876	fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2764	2876	fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2764	2876	fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2764	2876	fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2764	2876	fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2764	2876	fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2764	2876	fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb12a99645d3ede4dcf3c5a0b0120bcb_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWow64\svchost.exe
  "C:\\Windows\\SysWow64\\svchost.exe"
  2⤵
  - Loads dropped DLL
  PID:2764

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

Replay Monitor

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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/2764-15-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2764-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-18-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2764-8-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2764-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2764-9-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2876-2-0x0000000000150000-0x0000000000172000-memory.dmp

Filesize
136KB

Download
memory/2876-6-0x0000000000650000-0x0000000000666000-memory.dmp

Filesize
88KB

Download
memory/2876-7-0x00000000005C0000-0x00000000005C4000-memory.dmp

Filesize
16KB

Download
memory/2876-5-0x00000000001A0000-0x00000000001AA000-memory.dmp

Filesize
40KB

Download
memory/2876-4-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download
memory/2876-0-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp

Filesize
4KB

Download
memory/2876-3-0x0000000000170000-0x0000000000192000-memory.dmp

Filesize
136KB

Download
memory/2876-1-0x000000013FE50000-0x000000013FE80000-memory.dmp

Filesize
192KB

Download
memory/2876-19-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads