zloader | b8f848f137a23fe046b4701a67d07c8e7e1a8fdb066f318424caede7a1e69530

Resubmissions

24-05-2023 17:16

230524-vs7cysea9x 10

09-11-2020 20:02

201109-kefnpvgfd6 10

Analysis

max time kernel
1716s
max time network
1719s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
24-05-2023 17:16

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General

Target

readme.exe
Size

348KB
MD5

8c6810ccbf8b94ad18edabe648ffd504
SHA1

9f3770c114956fb31d04ec3020fe4da03a8ac2d4
SHA256

b8f848f137a23fe046b4701a67d07c8e7e1a8fdb066f318424caede7a1e69530
SHA512

7bf15296bbdce5aee540b9a6738c65a3f54b773f6aa50b27a98ad8c33544ff60625f650c8bb90fa17a0c60e8b799a88536f5609b41a94784fcb283b810f0b7b9
SSDEEP

6144:UMLeUFXXI8t9K/uN6qmhCaHA5DZNyI187cMsU5wgsbZv+:JesY8t9KQ6q9WAZNVOAzzr+

Score

10^/10

zloader canadaloads spam botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

CanadaLoads

Campaign

Spam

https://23d8s23hs89j239sj23.com/jbYm9bt/NlGkb4ivk.php

https://3reh8rd23js9.com/jbYm9bt/NlGkb4ivk.php

https://4f394j89d3j4d89j34d.com/jbYm9bt/NlGkb4ivk.php

https://d823hrd9239sdj2.com/jbYm9bt/NlGkb4ivk.php

https://js823hs23js.com/jbYm9bt/NlGkb4ivk.php

https://oidjweidj34rd3.com/jbYm9bt/NlGkb4ivk.php

https://qwd8s3j8s23h8s.com/jbYm9bt/NlGkb4ivk.php

https://s28hs823hs823js.com/jbYm9bt/NlGkb4ivk.php

https://wd23h8qsh8qhs823qs.com/jbYm9bt/NlGkb4ivk.php

Attributes

build_id
34

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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xomo = "C:\\Users\\Admin\\AppData\\Roaming\\Upuwwy\\saagp.exe"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

readme.exe

description pid process target process

PID 1308 set thread context of 1780 1308 readme.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1780 msiexec.exe
Token: SeSecurityPrivilege 1780 msiexec.exe

description	pid	process	target process
PID 1308 set thread context of 1780	1308	readme.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1780	msiexec.exe
Token: SeSecurityPrivilege	1780	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

readme.exe

description	pid	process	target process
PID 1308 wrote to memory of 1780	1308	readme.exe	msiexec.exe
PID 1308 wrote to memory of 1780	1308	readme.exe	msiexec.exe
PID 1308 wrote to memory of 1780	1308	readme.exe	msiexec.exe
PID 1308 wrote to memory of 1780	1308	readme.exe	msiexec.exe
PID 1308 wrote to memory of 1780	1308	readme.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\readme.exe
"C:\Users\Admin\AppData\Local\Temp\readme.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1780

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1308-122-0x00000000049A0000-0x00000000049CE000-memory.dmp

Filesize
184KB

Download
memory/1308-123-0x0000000000400000-0x0000000002C41000-memory.dmp

Filesize
40.3MB

Download
memory/1308-124-0x00000000049A0000-0x00000000049CE000-memory.dmp

Filesize
184KB

Download
memory/1308-130-0x0000000000400000-0x0000000002C41000-memory.dmp

Filesize
40.3MB

Download
memory/1780-129-0x00000000001A0000-0x00000000001D2000-memory.dmp

Filesize
200KB

Download
memory/1780-135-0x00000000001A0000-0x00000000001D2000-memory.dmp

Filesize
200KB

Download
memory/1780-134-0x00000000001A0000-0x00000000001D2000-memory.dmp

Filesize
200KB

Download