zloader | 5c5c8af2a703aa1842f4ce9f9e83aeeac0e2cc2d3ed1bf9f9ad72b7f77e89a42

General

Target

r.php.dll
Size

440KB
MD5

be211fc134a945398f96e3cfe8ac0acd
SHA1

1546aed93ddf813d13635664470454bf40d89056
SHA256

5c5c8af2a703aa1842f4ce9f9e83aeeac0e2cc2d3ed1bf9f9ad72b7f77e89a42
SHA512

7205a3ac02803fc26b8d895edbad0319d0ce40cfb84250e7fd08bf13bdf6df022784e75e672be2f28621aa94f78de41815d326edfd44599937d15d057dff9902

Score

10^/10

zloader nut 02/12 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

02/12

C2

https://www.alhasanatbooks.com/reader.php

https://aflim.org.ng/wp-punch.php

https://sardarmohammad.com/reports.php

https://erikarabelo.com.br/server.php

https://thechapelofthehealingcross.org/java.php

https://grebcanualcwilfprofal.ml/wp-smarts.php

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

Blacklisted process makes network request 53 IoCs

Processes:

msiexec.exe

flow	pid	process
7	880	msiexec.exe
8	880	msiexec.exe
9	880	msiexec.exe
10	880	msiexec.exe
11	880	msiexec.exe
12	880	msiexec.exe
13	880	msiexec.exe
14	880	msiexec.exe
15	880	msiexec.exe
16	880	msiexec.exe
17	880	msiexec.exe
18	880	msiexec.exe
19	880	msiexec.exe
20	880	msiexec.exe
21	880	msiexec.exe
22	880	msiexec.exe
23	880	msiexec.exe
24	880	msiexec.exe
25	880	msiexec.exe
26	880	msiexec.exe
27	880	msiexec.exe
29	880	msiexec.exe
30	880	msiexec.exe
31	880	msiexec.exe
33	880	msiexec.exe
35	880	msiexec.exe
37	880	msiexec.exe
39	880	msiexec.exe
40	880	msiexec.exe
41	880	msiexec.exe
42	880	msiexec.exe
43	880	msiexec.exe
44	880	msiexec.exe
45	880	msiexec.exe
46	880	msiexec.exe
47	880	msiexec.exe
48	880	msiexec.exe
49	880	msiexec.exe
50	880	msiexec.exe
51	880	msiexec.exe
52	880	msiexec.exe
53	880	msiexec.exe
54	880	msiexec.exe
55	880	msiexec.exe
56	880	msiexec.exe
57	880	msiexec.exe
58	880	msiexec.exe
59	880	msiexec.exe
60	880	msiexec.exe
61	880	msiexec.exe
62	880	msiexec.exe
64	880	msiexec.exe
66	880	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1984 set thread context of 880 1984 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 880 msiexec.exe
Token: SeSecurityPrivilege 880 msiexec.exe

description	pid	process	target process
PID 1984 set thread context of 880	1984	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	880	msiexec.exe
Token: SeSecurityPrivilege	880	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1204 wrote to memory of 1984	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1984	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1984	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1984	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1984	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1984	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1984	1204	rundll32.exe	rundll32.exe
PID 1984 wrote to memory of 880	1984	rundll32.exe	msiexec.exe
PID 1984 wrote to memory of 880	1984	rundll32.exe	msiexec.exe
PID 1984 wrote to memory of 880	1984	rundll32.exe	msiexec.exe
PID 1984 wrote to memory of 880	1984	rundll32.exe	msiexec.exe
PID 1984 wrote to memory of 880	1984	rundll32.exe	msiexec.exe
PID 1984 wrote to memory of 880	1984	rundll32.exe	msiexec.exe
PID 1984 wrote to memory of 880	1984	rundll32.exe	msiexec.exe
PID 1984 wrote to memory of 880	1984	rundll32.exe	msiexec.exe
PID 1984 wrote to memory of 880	1984	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\r.php.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\r.php.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blacklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:880

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/880-4-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/880-3-0x00000000000D0000-0x00000000000F6000-memory.dmp

Filesize
152KB

Download
memory/880-5-0x00000000000D0000-0x00000000000F6000-memory.dmp

Filesize
152KB

Download
memory/880-6-0x0000000000000000-mapping.dmp

Download
memory/1564-7-0x000007FEF7510000-0x000007FEF778A000-memory.dmp

Filesize
2.5MB

Download
memory/1984-2-0x0000000000000000-mapping.dmp

Download

Analysis

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