zloader | 0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5

Resubmissions

10-08-2023 16:28

230810-tyxv2afa37 10

04-10-2021 11:41

211004-ntvbfsgceq 10

Analysis

max time kernel
145s
max time network
140s
platform
windows7_x64
resource
win7-en-20210920
submitted
04-10-2021 11:41

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General

Target

0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe
Size

146KB
MD5

b42aa0c217dfeb5a86f140afa512a2c1
SHA1

575ebd278b6104dd2cc9f3871ada6cfd61c3a8f7
SHA256

0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5
SHA512

14e0681a733aa812303c241aa38d13d33b1f9817d8bef6ad0c9b6a423ae433633772021244c17bac278468fca508a76dfd9c64993d89df69b6317f2be21707a6

Score

10^/10

zloader -dan web7-dan botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

-dan

Campaign

web7-dan

https://45.72.3.132/web7643/gate.php

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 5 IoCs

Processes:

msiexec.exe

flow pid process

4 1104 msiexec.exe
5 1104 msiexec.exe
6 1104 msiexec.exe
7 1104 msiexec.exe
8 1104 msiexec.exe

flow	pid	process
4	1104	msiexec.exe
5	1104	msiexec.exe
6	1104	msiexec.exe
7	1104	msiexec.exe
8	1104	msiexec.exe

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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hahiac = "C:\\Users\\Admin\\AppData\\Roaming\\Ihhu\\gogig.exe"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe

description	pid	process	target process
PID 1116 set thread context of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1104 msiexec.exe
Token: SeSecurityPrivilege 1104 msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1104	msiexec.exe
Token: SeSecurityPrivilege	1104	msiexec.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe

description	pid	process	target process
PID 1116 wrote to memory of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe
PID 1116 wrote to memory of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe
PID 1116 wrote to memory of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe
PID 1116 wrote to memory of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe
PID 1116 wrote to memory of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe
PID 1116 wrote to memory of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe
PID 1116 wrote to memory of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe
PID 1116 wrote to memory of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe
PID 1116 wrote to memory of 1104	1116	0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe
"C:\Users\Admin\AppData\Local\Temp\0c1b74345e0300233db0396f78ca121e7589deda31b7bc455baa476274e3f2e5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1104

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

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Downloads

memory/1104-54-0x0000000000000000-mapping.dmp

Download
memory/1104-56-0x00000000000F0000-0x000000000011A000-memory.dmp

Filesize
168KB

Download
memory/1116-53-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download