zloader | 4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8

General

Target

zloader 2_1.0.5.0.vir.exe
Size

142KB
MD5

1187a2f3026eed231abc21c2749e4e63
SHA1

6fbe2c541fdb705f29899d7d67eb1c54decc620e
SHA256

4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8
SHA512

379fdd86d12f61d59ecad4aeb26e4c6873db8b9e863ec941432a4268dde70d7c113098b5968069b22020893edb843ea7451967353375f4ba3775698b733242c2

Score

10^/10

persistence trojan botnet zloader

Malware Config

Signatures

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

zloader 2_1.0.5.0.vir.exe

description	pid	process	target process
PID 1316 wrote to memory of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe
PID 1316 wrote to memory of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe
PID 1316 wrote to memory of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe
PID 1316 wrote to memory of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe
PID 1316 wrote to memory of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe
PID 1316 wrote to memory of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe
PID 1316 wrote to memory of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe
PID 1316 wrote to memory of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe
PID 1316 wrote to memory of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

zloader 2_1.0.5.0.vir.exe

description pid process target process

PID 1316 set thread context of 316 1316 zloader 2_1.0.5.0.vir.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 316 msiexec.exe
Token: SeSecurityPrivilege 316 msiexec.exe
Blacklisted process makes network request 5 IoCs

Processes:

msiexec.exe

flow pid process

4 316 msiexec.exe
5 316 msiexec.exe
10 316 msiexec.exe
11 316 msiexec.exe
12 316 msiexec.exe

description	pid	process	target process
PID 1316 set thread context of 316	1316	zloader 2_1.0.5.0.vir.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	316	msiexec.exe
Token: SeSecurityPrivilege	316	msiexec.exe

flow	pid	process
4	316	msiexec.exe
5	316	msiexec.exe
10	316	msiexec.exe
11	316	msiexec.exe
12	316	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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ehuffo = "C:\\Users\\Admin\\AppData\\Roaming\\Udeh\\igguyhc.exe"	msiexec.exe

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

C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.5.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.5.0.vir.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1316

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
- Adds Run key to start application
PID:316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/316-0-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/316-1-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/316-2-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/316-3-0x0000000000000000-mapping.dmp

Download

Analysis

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