zloader | 58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222

Resubmissions

16-11-2023 20:27

231116-y8gzsage5v 10

19-07-2020 19:22

200719-j3qdf4g92x 10

Analysis

max time kernel
256s
max time network
260s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
16-11-2023 20:27

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General

Target

zloader 2_1.0.6.0.exe
Size

141KB
MD5

a74a0a84a2ed0674e540ac9aa4405638
SHA1

6ea4c0b33b660908b6032252c345c1936364390e
SHA256

58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222
SHA512

a7dc0515208a02ebaec31b39c74bcf366ea2deaac7f7bbbe2b748273c53868144dec8e129f909a8b5d46c0598db384581977f51a42b2b19fb1da15d62699262c
SSDEEP

3072:Ze6xD8emYCB6K8WfJnIFwWmVteLz+isF:ZeqfmXFXW8wzc

Score

10^/10

zloader -test2 web7-test2 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

-test2

Campaign

web7-test2

https://45.72.3.132/web7643/gate.php

Attributes

build_id
929195383

rc4.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

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-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gudedeu = "C:\\Users\\Admin\\AppData\\Roaming\\Ogidfa\\cegaby.exe"	msiexec.exe

Blocklisted process makes network request 10 IoCs

flow	pid	Process
3	2656	msiexec.exe
5	2656	msiexec.exe
6	2656	msiexec.exe
7	2656	msiexec.exe
8	2656	msiexec.exe
9	2656	msiexec.exe
10	2656	msiexec.exe
11	2656	msiexec.exe
12	2656	msiexec.exe
13	2656	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 2656	2156	zloader 2_1.0.6.0.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2656	msiexec.exe
Token: SeSecurityPrivilege	2656	msiexec.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2656	2156	zloader 2_1.0.6.0.exe	30
PID 2156 wrote to memory of 2656	2156	zloader 2_1.0.6.0.exe	30
PID 2156 wrote to memory of 2656	2156	zloader 2_1.0.6.0.exe	30
PID 2156 wrote to memory of 2656	2156	zloader 2_1.0.6.0.exe	30
PID 2156 wrote to memory of 2656	2156	zloader 2_1.0.6.0.exe	30
PID 2156 wrote to memory of 2656	2156	zloader 2_1.0.6.0.exe	30
PID 2156 wrote to memory of 2656	2156	zloader 2_1.0.6.0.exe	30
PID 2156 wrote to memory of 2656	2156	zloader 2_1.0.6.0.exe	30
PID 2156 wrote to memory of 2656	2156	zloader 2_1.0.6.0.exe	30

C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.6.0.exe
"C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.6.0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Adds Run key to start application
  - Blocklisted process makes network request
  - Suspicious use of AdjustPrivilegeToken
  PID:2656

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

memory/2656-0-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2656-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2656-4-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2656-5-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2656-7-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2656-8-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2656-9-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads