zloader | 2f2670e8a7845cf300320415c6a16ffc34e662672f16d7cfcf5b911d088516d9

Resubmissions

08-12-2023 09:45

231208-lq6tzaad79 10

05-02-2022 17:17

220205-vtswysdfc3 10

Analysis

max time kernel
149s
max time network
131s
platform
windows7_x64
resource
win7-en-20211208
submitted
05-02-2022 17:17

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General

Target

2f2670e8a7845cf300320415c6a16ffc34e662672f16d7cfcf5b911d088516d9.dll
Size

358KB
MD5

8bb66e279a58af871180adbb29e41f4f
SHA1

446cfe9fa815951085e4e587dd272911b9e5d32b
SHA256

2f2670e8a7845cf300320415c6a16ffc34e662672f16d7cfcf5b911d088516d9
SHA512

bb114ac54bcc95f1b465ec33400eead469ca97b5f9b8115bc9eb8016f07fa568cf2d0ef570d3f7b1301a44f1daf19b4c8e279fab892facd750601a45b6788204

Score

10^/10

zloader crypto1 crypto botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

crypto1

Campaign

crypto

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
110

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

Processes:

msiexec.exe

flow pid process

5 472 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1532 set thread context of 472 1532 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 472 msiexec.exe
Token: SeSecurityPrivilege 472 msiexec.exe

flow	pid	process
5	472	msiexec.exe

description	pid	process	target process
PID 1532 set thread context of 472	1532	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	472	msiexec.exe
Token: SeSecurityPrivilege	472	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2028 wrote to memory of 1532	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1532	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1532	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1532	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1532	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1532	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1532	2028	rundll32.exe	rundll32.exe
PID 1532 wrote to memory of 472	1532	rundll32.exe	msiexec.exe
PID 1532 wrote to memory of 472	1532	rundll32.exe	msiexec.exe
PID 1532 wrote to memory of 472	1532	rundll32.exe	msiexec.exe
PID 1532 wrote to memory of 472	1532	rundll32.exe	msiexec.exe
PID 1532 wrote to memory of 472	1532	rundll32.exe	msiexec.exe
PID 1532 wrote to memory of 472	1532	rundll32.exe	msiexec.exe
PID 1532 wrote to memory of 472	1532	rundll32.exe	msiexec.exe
PID 1532 wrote to memory of 472	1532	rundll32.exe	msiexec.exe
PID 1532 wrote to memory of 472	1532	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f2670e8a7845cf300320415c6a16ffc34e662672f16d7cfcf5b911d088516d9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f2670e8a7845cf300320415c6a16ffc34e662672f16d7cfcf5b911d088516d9.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:472

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/472-58-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/472-57-0x0000000000090000-0x00000000000C4000-memory.dmp

Filesize
208KB

Download
memory/472-59-0x0000000000090000-0x00000000000C4000-memory.dmp

Filesize
208KB

Download
memory/472-61-0x0000000000090000-0x00000000000C4000-memory.dmp

Filesize
208KB

Download
memory/1532-53-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1532-54-0x0000000072730000-0x0000000072764000-memory.dmp

Filesize
208KB

Download
memory/1532-55-0x0000000072730000-0x0000000073695000-memory.dmp

Filesize
15.4MB

Download
memory/1532-56-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download