zloader | 76f4db4f373809a4dba455b3370a049295e711f635fa4c070790e1cb907e31a6

Resubmissions

03-08-2023 07:52

230803-jqkwdsca99 10

27-07-2023 11:24

26-12-2022 13:39

26-12-2022 13:39

26-12-2022 13:38

26-12-2022 13:38

Analysis

max time kernel
1796s
max time network
1801s
platform
windows10-1703_x64
resource
win10-20230703-en
resource tags

arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
submitted
27-07-2023 11:24

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General

Target

830700df4fc2b75b067479d6f2f67d51dff7e883d2a33793c905380a9351cb46.dll
Size

493KB
MD5

efddc2807ecbdffd694cd97936404053
SHA1

c68b7b94e591fbc4cda9bdb8c2caaa33880464c7
SHA256

830700df4fc2b75b067479d6f2f67d51dff7e883d2a33793c905380a9351cb46
SHA512

e6b0fd0f52c5b7e82bb66d08c4a3f8a4bddf1ce75c140e73afb4c1f57131df81e5d39f7833de15b40e980f0605bfd1840f81b610134634db000f6e18388bf09a
SSDEEP

12288:WsCr6MfAEtHaqxnXmtkl0CMh+1wY7JuegO4I9y:Wsi6MBtHBzlRMg1wY34I9y

Score

10^/10

zloader nut 18/02 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

18/02

https://ramkanshop.ir/post.php

https://lph786.com/post.php

https://efaschoolfarooka.com/post.php

https://forexstick.com/post.php

https://firteccom.com/post.php

https://www.psychologynewmind.com/post.php

https://dirashightapbide.tk/post.php

Attributes

build_id
358

rc4.plain

rsa_pubkey.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 41 IoCs

flow	pid	Process
12	1296	msiexec.exe
13	1296	msiexec.exe
15	1296	msiexec.exe
16	1296	msiexec.exe
17	1296	msiexec.exe
18	1296	msiexec.exe
21	1296	msiexec.exe
33	1296	msiexec.exe
35	1296	msiexec.exe
52	1296	msiexec.exe
54	1296	msiexec.exe
56	1296	msiexec.exe
57	1296	msiexec.exe
58	1296	msiexec.exe
59	1296	msiexec.exe
60	1296	msiexec.exe
61	1296	msiexec.exe
68	1296	msiexec.exe
78	1296	msiexec.exe
79	1296	msiexec.exe
80	1296	msiexec.exe
81	1296	msiexec.exe
82	1296	msiexec.exe
83	1296	msiexec.exe
84	1296	msiexec.exe
93	1296	msiexec.exe
198	1296	msiexec.exe
199	1296	msiexec.exe
200	1296	msiexec.exe
201	1296	msiexec.exe
202	1296	msiexec.exe
203	1296	msiexec.exe
204	1296	msiexec.exe
211	1296	msiexec.exe
221	1296	msiexec.exe
222	1296	msiexec.exe
223	1296	msiexec.exe
224	1296	msiexec.exe
225	1296	msiexec.exe
226	1296	msiexec.exe
227	1296	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4636 set thread context of 1296	4636	rundll32.exe	70

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1296	msiexec.exe
Token: SeSecurityPrivilege	1296	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 4636	4452	rundll32.exe	69
PID 4452 wrote to memory of 4636	4452	rundll32.exe	69
PID 4452 wrote to memory of 4636	4452	rundll32.exe	69
PID 4636 wrote to memory of 1296	4636	rundll32.exe	70
PID 4636 wrote to memory of 1296	4636	rundll32.exe	70
PID 4636 wrote to memory of 1296	4636	rundll32.exe	70
PID 4636 wrote to memory of 1296	4636	rundll32.exe	70
PID 4636 wrote to memory of 1296	4636	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\830700df4fc2b75b067479d6f2f67d51dff7e883d2a33793c905380a9351cb46.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\830700df4fc2b75b067479d6f2f67d51dff7e883d2a33793c905380a9351cb46.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4636
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of AdjustPrivilegeToken
    PID:1296

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1296-123-0x0000000002600000-0x0000000002629000-memory.dmp

Filesize
164KB

Download
memory/1296-128-0x0000000002600000-0x0000000002629000-memory.dmp

Filesize
164KB

Download
memory/1296-129-0x0000000002600000-0x0000000002629000-memory.dmp

Filesize
164KB

Download
memory/4636-121-0x00000000743C0000-0x000000007449D000-memory.dmp

Filesize
884KB

Download
memory/4636-122-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/4636-120-0x00000000743C0000-0x000000007449D000-memory.dmp

Filesize
884KB

Download
memory/4636-125-0x00000000743C0000-0x000000007449D000-memory.dmp

Filesize
884KB

Download