zloader | 38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

Resubmissions

01/03/2025, 18:58

250301-xmhhrayp15 10

01/03/2025, 18:55

250301-xkqrcaypx7 10

Analysis

max time kernel
91s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2024, 19:31

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General

Target

wwf[1].exe
Size

2.3MB
MD5

f18334d87221ecb0fb12405814c21912
SHA1

2875140558c0c17a259ff2d731e5e4a0a823108a
SHA256

0263c76856472535f8441f582dac011dbf52f965086f9e59a6930c00b2106073
SHA512

fa96425f2402803b7c34ea27211c33257224f65966cb42c651fa688bc131bbae6dbf7fc743eb055398fc2e4a0841a17ff31097346c4666ba39607e974c22ae2d
SSDEEP

49152:jUEJpE+TT7TDGBcuHsi7Ly2Cr2SRtgbR9iTp1woifnUWtMbuIJ0y:jBnE+TT/DGTHs8yVr2n99iTpiXfnUWtS

Score

10^/10

zloader bot7 bot7 botnet discovery persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

bot7

Campaign

bot7

https://militanttra.at/owg.php

Attributes

build_id
18

rc4.plain

rsa_pubkey.plain

Signatures

Zloader family
zloader
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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Egnuhu = "C:\\Users\\Admin\\AppData\\Roaming\\Idiq\\waytol.exe"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4572 set thread context of 4280	4572	wwf[1].exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wwf[1].exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4280	msiexec.exe
Token: SeSecurityPrivilege	4280	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 4280	4572	wwf[1].exe	90
PID 4572 wrote to memory of 4280	4572	wwf[1].exe	90
PID 4572 wrote to memory of 4280	4572	wwf[1].exe	90
PID 4572 wrote to memory of 4280	4572	wwf[1].exe	90
PID 4572 wrote to memory of 4280	4572	wwf[1].exe	90

C:\Users\Admin\AppData\Local\Temp\wwf[1].exe
"C:\Users\Admin\AppData\Local\Temp\wwf[1].exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4280

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4280-10-0x0000000000A40000-0x0000000000A6C000-memory.dmp

Filesize
176KB

Download
memory/4280-14-0x0000000000A40000-0x0000000000A6C000-memory.dmp

Filesize
176KB

Download
memory/4280-15-0x0000000000A40000-0x0000000000A6C000-memory.dmp

Filesize
176KB

Download
memory/4572-0-0x0000000000533000-0x0000000000536000-memory.dmp

Filesize
12KB

Download
memory/4572-1-0x0000000000340000-0x000000000058C000-memory.dmp

Filesize
2.3MB

Download
memory/4572-2-0x0000000000340000-0x000000000058C000-memory.dmp

Filesize
2.3MB

Download
memory/4572-4-0x0000000000533000-0x0000000000536000-memory.dmp

Filesize
12KB

Download
memory/4572-12-0x0000000000340000-0x000000000058C000-memory.dmp

Filesize
2.3MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads