zloader | cc87e6581ca91f941f65332b2de0e681d58491b54aff9d0b30afae828a5f5790

Resubmissions

17-11-2023 12:47

231117-p1nb6aad8x 10

05-02-2022 09:59

220205-lz81paaddn 10

Analysis

max time kernel
150s
max time network
135s
platform
windows7_x64
resource
win7-en-20211208
submitted
05-02-2022 09:59

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General

Target

cc87e6581ca91f941f65332b2de0e681d58491b54aff9d0b30afae828a5f5790.dll
Size

539KB
MD5

2169e871d4ca668d1872722d1a0695dc
SHA1

add2bbbac042c328ed71c9fd2efcb9cbce5a89f7
SHA256

cc87e6581ca91f941f65332b2de0e681d58491b54aff9d0b30afae828a5f5790
SHA512

fdb93959e88f9cf59be9c515127d02ec41b1370544c23a82b51a49f51b611231e91549a043d7796acef4e95539c75f8a95046b2b31ea0011104a2762b2504c64

Score

10^/10

zloader apr14 spam botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

Apr14

Campaign

Spam

http://wmwifbajxxbcxmucxmlc.com/post.php

http://ojnxjgfjlftfkkuxxiqd.com/post.php

http://pwkqhdgytsshkoibaake.com/post.php

http://snnmnkxdhflwgthqismb.com/post.php

http://iawfqecrwohcxnhwtofa.com/post.php

http://nlbmfsyplohyaicmxhum.com/post.php

http://fvqlkgedqjiqgapudkgq.com/post.php

http://cmmxhurildiigqghlryq.com/post.php

http://nmqsmbiabjdnuushksas.com/post.php

http://fyratyubvflktyyjiqgq.com/post.php

Attributes

build_id
102

rc4.plain

Signatures

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	608	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 608	1748	rundll32.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	608	msiexec.exe
Token: SeSecurityPrivilege	608	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1748	1688	rundll32.exe	27
PID 1688 wrote to memory of 1748	1688	rundll32.exe	27
PID 1688 wrote to memory of 1748	1688	rundll32.exe	27
PID 1688 wrote to memory of 1748	1688	rundll32.exe	27
PID 1688 wrote to memory of 1748	1688	rundll32.exe	27
PID 1688 wrote to memory of 1748	1688	rundll32.exe	27
PID 1688 wrote to memory of 1748	1688	rundll32.exe	27
PID 1748 wrote to memory of 608	1748	rundll32.exe	30
PID 1748 wrote to memory of 608	1748	rundll32.exe	30
PID 1748 wrote to memory of 608	1748	rundll32.exe	30
PID 1748 wrote to memory of 608	1748	rundll32.exe	30
PID 1748 wrote to memory of 608	1748	rundll32.exe	30
PID 1748 wrote to memory of 608	1748	rundll32.exe	30
PID 1748 wrote to memory of 608	1748	rundll32.exe	30
PID 1748 wrote to memory of 608	1748	rundll32.exe	30
PID 1748 wrote to memory of 608	1748	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cc87e6581ca91f941f65332b2de0e681d58491b54aff9d0b30afae828a5f5790.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cc87e6581ca91f941f65332b2de0e681d58491b54aff9d0b30afae828a5f5790.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of AdjustPrivilegeToken
    PID:608

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/608-59-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/608-58-0x00000000000D0000-0x0000000000104000-memory.dmp

Filesize
208KB

Download
memory/608-60-0x00000000000D0000-0x0000000000104000-memory.dmp

Filesize
208KB

Download
memory/608-62-0x00000000000D0000-0x0000000000104000-memory.dmp

Filesize
208KB

Download
memory/1748-54-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1748-56-0x00000000750D0000-0x0000000075173000-memory.dmp

Filesize
652KB

Download
memory/1748-55-0x00000000750D0000-0x0000000075104000-memory.dmp

Filesize
208KB

Download
memory/1748-57-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download