zloader | 384f3719ba4fbcf355cc206e27f3bfca94e7bf14dd928de62ab5f74de90df34a

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 14:21

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General

Target

eb8439d5ee379f19d25c2445d28e135a_JaffaCakes118.dll
Size

144KB
MD5

eb8439d5ee379f19d25c2445d28e135a
SHA1

5426510acb07efc464c47bbe0cc413489365a3d9
SHA256

384f3719ba4fbcf355cc206e27f3bfca94e7bf14dd928de62ab5f74de90df34a
SHA512

5bbda761ff6c0286d346dd0fda5df2abeeb6ffb81149d0537db969feb682658dc1e5a75bb1d09a13398b26fee4163ace7d35bbd69196628b3daef53c0efdc982
SSDEEP

3072:c2kHDNNqo9hPNER+/2p1Ludye/w4FeNqEKJ7exog/Dt5eFSbvth90:cZHRNNbuc2HLxrgL7exx5ecv

Score

10^/10

zloader botnet discovery persistence trojan

Malware Config

Extracted

Family

zloader

Attributes

build_id
49

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\Odubduu = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Beicig\\odduh.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1372 set thread context of 2408	1372	regsvr32.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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2408	msiexec.exe
Token: SeSecurityPrivilege	2408	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1372	1968	regsvr32.exe	30
PID 1968 wrote to memory of 1372	1968	regsvr32.exe	30
PID 1968 wrote to memory of 1372	1968	regsvr32.exe	30
PID 1968 wrote to memory of 1372	1968	regsvr32.exe	30
PID 1968 wrote to memory of 1372	1968	regsvr32.exe	30
PID 1968 wrote to memory of 1372	1968	regsvr32.exe	30
PID 1968 wrote to memory of 1372	1968	regsvr32.exe	30
PID 1372 wrote to memory of 2408	1372	regsvr32.exe	32
PID 1372 wrote to memory of 2408	1372	regsvr32.exe	32
PID 1372 wrote to memory of 2408	1372	regsvr32.exe	32
PID 1372 wrote to memory of 2408	1372	regsvr32.exe	32
PID 1372 wrote to memory of 2408	1372	regsvr32.exe	32
PID 1372 wrote to memory of 2408	1372	regsvr32.exe	32
PID 1372 wrote to memory of 2408	1372	regsvr32.exe	32
PID 1372 wrote to memory of 2408	1372	regsvr32.exe	32
PID 1372 wrote to memory of 2408	1372	regsvr32.exe	32

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\eb8439d5ee379f19d25c2445d28e135a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\eb8439d5ee379f19d25c2445d28e135a_JaffaCakes118.dll
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1372
- - 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:2408

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/2408-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2408-0-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2408-4-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2408-5-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2408-7-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2408-8-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2408-9-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads