zloader | f84e08a4d83f63cb37f7117f401c242ecbd3ebbd6b7a12fb99332bcf5950f803

Resubmissions

23/01/2024, 11:22

240123-ng2j1ahgel 10

26/06/2020, 17:36

200626-xs19z3xc5a 10

Analysis

max time kernel
151s
max time network
136s
platform
windows7_x64
resource
win7
submitted
26/06/2020, 17:36

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General

Target

SecuriteInfo.com.BScope.TrojanSpy.Ursnif.27559.dll
Size

426KB
MD5

95d3b622d696c1a31dbef624a2e47163
SHA1

8a1c5a4f794af421e7b54471ed7f4a62212721a0
SHA256

f84e08a4d83f63cb37f7117f401c242ecbd3ebbd6b7a12fb99332bcf5950f803
SHA512

c3ac8a246e7d769faa21f330c5c0a0fef4c4e33a6875478e43ee891f367e90fee3ea657b08ba338f6263e38b17efe69b7c5c1c86167afc871b9a20f251fd67d1

Score

10^/10

spyware trojan botnet zloader persistence

Malware Config

Signatures

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 1484	1460	rundll32.exe	24
PID 1460 wrote to memory of 1484	1460	rundll32.exe	24
PID 1460 wrote to memory of 1484	1460	rundll32.exe	24
PID 1460 wrote to memory of 1484	1460	rundll32.exe	24
PID 1460 wrote to memory of 1484	1460	rundll32.exe	24
PID 1460 wrote to memory of 1484	1460	rundll32.exe	24
PID 1460 wrote to memory of 1484	1460	rundll32.exe	24
PID 1484 wrote to memory of 1404	1484	rundll32.exe	27
PID 1484 wrote to memory of 1404	1484	rundll32.exe	27
PID 1484 wrote to memory of 1404	1484	rundll32.exe	27
PID 1484 wrote to memory of 1404	1484	rundll32.exe	27
PID 1484 wrote to memory of 1404	1484	rundll32.exe	27
PID 1484 wrote to memory of 1404	1484	rundll32.exe	27
PID 1484 wrote to memory of 1404	1484	rundll32.exe	27
PID 1484 wrote to memory of 1404	1484	rundll32.exe	27
PID 1484 wrote to memory of 1404	1484	rundll32.exe	27
PID 1404 wrote to memory of 1984	1404	msiexec.exe	30
PID 1404 wrote to memory of 1984	1404	msiexec.exe	30
PID 1404 wrote to memory of 1984	1404	msiexec.exe	30
PID 1404 wrote to memory of 1984	1404	msiexec.exe	30
PID 1984 wrote to memory of 1936	1984	cmd.exe	32
PID 1984 wrote to memory of 1936	1984	cmd.exe	32
PID 1984 wrote to memory of 1936	1984	cmd.exe	32
PID 1984 wrote to memory of 1936	1984	cmd.exe	32
PID 1404 wrote to memory of 2016	1404	msiexec.exe	33
PID 1404 wrote to memory of 2016	1404	msiexec.exe	33
PID 1404 wrote to memory of 2016	1404	msiexec.exe	33
PID 1404 wrote to memory of 2016	1404	msiexec.exe	33
PID 2016 wrote to memory of 1988	2016	cmd.exe	35
PID 2016 wrote to memory of 1988	2016	cmd.exe	35
PID 2016 wrote to memory of 1988	2016	cmd.exe	35
PID 2016 wrote to memory of 1988	2016	cmd.exe	35
PID 1988 wrote to memory of 1188	1988	net.exe	36
PID 1988 wrote to memory of 1188	1988	net.exe	36
PID 1988 wrote to memory of 1188	1988	net.exe	36
PID 1988 wrote to memory of 1188	1988	net.exe	36
PID 1404 wrote to memory of 1332	1404	msiexec.exe	37
PID 1404 wrote to memory of 1332	1404	msiexec.exe	37
PID 1404 wrote to memory of 1332	1404	msiexec.exe	37
PID 1404 wrote to memory of 1332	1404	msiexec.exe	37
PID 1332 wrote to memory of 1260	1332	cmd.exe	39
PID 1332 wrote to memory of 1260	1332	cmd.exe	39
PID 1332 wrote to memory of 1260	1332	cmd.exe	39
PID 1332 wrote to memory of 1260	1332	cmd.exe	39
PID 1404 wrote to memory of 368	1404	msiexec.exe	40
PID 1404 wrote to memory of 368	1404	msiexec.exe	40
PID 1404 wrote to memory of 368	1404	msiexec.exe	40
PID 1404 wrote to memory of 368	1404	msiexec.exe	40
PID 368 wrote to memory of 756	368	cmd.exe	42
PID 368 wrote to memory of 756	368	cmd.exe	42
PID 368 wrote to memory of 756	368	cmd.exe	42
PID 368 wrote to memory of 756	368	cmd.exe	42

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1484 set thread context of 1404	1484	rundll32.exe	27

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

Modifies service 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Shas	ipconfig.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Qecs	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1404	msiexec.exe
Token: SeSecurityPrivilege	1404	msiexec.exe

Blacklisted process makes network request 17 IoCs

flow	pid	Process
7	1404	msiexec.exe
8	1404	msiexec.exe
9	1404	msiexec.exe
10	1404	msiexec.exe
11	1404	msiexec.exe
12	1404	msiexec.exe
13	1404	msiexec.exe
14	1404	msiexec.exe
15	1404	msiexec.exe
16	1404	msiexec.exe
17	1404	msiexec.exe
18	1404	msiexec.exe
19	1404	msiexec.exe
20	1404	msiexec.exe
21	1404	msiexec.exe
22	1404	msiexec.exe
23	1404	msiexec.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1404	msiexec.exe

Discovers systems in the same network 1 TTPs 2 IoCs

discovery

Remote System Discovery

T1018

pid	Process
1260	net.exe
756	net.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BScope.TrojanSpy.Ursnif.27559.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BScope.TrojanSpy.Ursnif.27559.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  PID:1484
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    - Suspicious use of AdjustPrivilegeToken
    - Blacklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    PID:1404
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ipconfig /all
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1984
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig /all
        5⤵
        Modifies service
        
        PID:1936
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net config workstation
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2016
    - - C:\Windows\SysWOW64\net.exe
        
        net config workstation
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1988
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 config workstation
        6⤵
        
        PID:1188
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net view /all
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1332
    - - C:\Windows\SysWOW64\net.exe
        
        net view /all
        5⤵
        Discovers systems in the same network
        
        PID:1260
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net view /all /domain
      4⤵
      Suspicious use of WriteProcessMemory
      PID:368
    - - C:\Windows\SysWOW64\net.exe
        
        net view /all /domain
        5⤵
        Discovers systems in the same network
        
        PID:756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1404-3-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1404-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1404-1-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download