zloader | fff929c4f44411e0f8da272f8d1db4593b23acd3c52cf8958792aef9548b4623

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-07-2024 00:40

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General

Target

6aee58b63843a0d73a98a2922092de8a_JaffaCakes118.dll
Size

839KB
MD5

6aee58b63843a0d73a98a2922092de8a
SHA1

abc6ac9a98360aa065f32e15d0a9293f8aa26e32
SHA256

fff929c4f44411e0f8da272f8d1db4593b23acd3c52cf8958792aef9548b4623
SHA512

ab93f97b94953edc7d051ffa48cf444d4f09af479746ad88b86907e50d8984919fa1fdef473b2cb73adcb23378c03a81a06eece1cf7b1d12a469c0eec943d20c
SSDEEP

6144:XkX7Ahus9knpaHe51x/ZD6KJ02lclcB6BQVnhLbm6BN6BILsWwrdsWhc:0Ehus+5rZDjJ025oQVhX3UjdrdsWy

Score

10^/10

zloader xls_spam_2809 divader botnet discovery persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

xls_spam_2809

Campaign

divader

https://fqnesas.ru/gate.php

https://fqnvsdaas.su/gate.php

https://fqnvtmqass.ru/gate.php

https://fqnvtcpheas.su/gate.php

https://fqnvtmophfeas.ru/gate.php

https://fqnceas.su/gate.php

https://fqlocpeas.ru/gate.php

https://dksaiijn.ru/gate.php

https://dksafjasnf.su/gate.php

https://fjsafasfsa.ru/gate.php

Attributes

build_id
80

rc4.plain

rsa_pubkey.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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ylev = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Iwiso\\mewyl.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2088 set thread context of 2980	2088	rundll32.exe	32

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	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2980	msiexec.exe
Token: SeSecurityPrivilege	2980	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2088	2632	rundll32.exe	31
PID 2632 wrote to memory of 2088	2632	rundll32.exe	31
PID 2632 wrote to memory of 2088	2632	rundll32.exe	31
PID 2632 wrote to memory of 2088	2632	rundll32.exe	31
PID 2632 wrote to memory of 2088	2632	rundll32.exe	31
PID 2632 wrote to memory of 2088	2632	rundll32.exe	31
PID 2632 wrote to memory of 2088	2632	rundll32.exe	31
PID 2088 wrote to memory of 2980	2088	rundll32.exe	32
PID 2088 wrote to memory of 2980	2088	rundll32.exe	32
PID 2088 wrote to memory of 2980	2088	rundll32.exe	32
PID 2088 wrote to memory of 2980	2088	rundll32.exe	32
PID 2088 wrote to memory of 2980	2088	rundll32.exe	32
PID 2088 wrote to memory of 2980	2088	rundll32.exe	32
PID 2088 wrote to memory of 2980	2088	rundll32.exe	32
PID 2088 wrote to memory of 2980	2088	rundll32.exe	32
PID 2088 wrote to memory of 2980	2088	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6aee58b63843a0d73a98a2922092de8a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6aee58b63843a0d73a98a2922092de8a_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2980

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/2088-1-0x0000000000420000-0x0000000000449000-memory.dmp

Filesize
164KB

Download
memory/2088-0-0x00000000001E0000-0x000000000022B000-memory.dmp

Filesize
300KB

Download
memory/2088-2-0x0000000000420000-0x0000000000449000-memory.dmp

Filesize
164KB

Download
memory/2088-6-0x0000000000420000-0x0000000000449000-memory.dmp

Filesize
164KB

Download
memory/2980-3-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/2980-4-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/2980-5-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads