zloader | 4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8

Analysis

max time kernel
496s
max time network
504s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2022 06:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8_unpacked.exe
Size

142KB
MD5

1187a2f3026eed231abc21c2749e4e63
SHA1

6fbe2c541fdb705f29899d7d67eb1c54decc620e
SHA256

4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8
SHA512

379fdd86d12f61d59ecad4aeb26e4c6873db8b9e863ec941432a4268dde70d7c113098b5968069b22020893edb843ea7451967353375f4ba3775698b733242c2
SSDEEP

3072:WxJqEQmQfL0N8tEs9IWMLsKIUmkIp+L3aOF0sEzdmldTvTMMMy:+JxQmQUs9aLsZkTeOS5di1YNy

Score

10^/10

zloader botnet persistence trojan

Malware Config

Extracted

Family

zloader

Attributes

build_id
929195383

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 15 IoCs

flow	pid	Process
25	1884	msiexec.exe
31	1884	msiexec.exe
32	1884	msiexec.exe
33	1884	msiexec.exe
36	1884	msiexec.exe
40	1884	msiexec.exe
41	1884	msiexec.exe
42	1884	msiexec.exe
43	1884	msiexec.exe
44	1884	msiexec.exe
49	1884	msiexec.exe
50	1884	msiexec.exe
51	1884	msiexec.exe
52	1884	msiexec.exe
53	1884	msiexec.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Efbu = "C:\\Users\\Admin\\AppData\\Roaming\\Obbi\\fobibie.exe"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 372 set thread context of 1884	372	4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8_unpacked.exe	89

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1884	msiexec.exe
Token: SeSecurityPrivilege	1884	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 1884	372	4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8_unpacked.exe	89
PID 372 wrote to memory of 1884	372	4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8_unpacked.exe	89
PID 372 wrote to memory of 1884	372	4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8_unpacked.exe	89
PID 372 wrote to memory of 1884	372	4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8_unpacked.exe	89
PID 372 wrote to memory of 1884	372	4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8_unpacked.exe	89

C:\Users\Admin\AppData\Local\Temp\4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8_unpacked.exe
"C:\Users\Admin\AppData\Local\Temp\4afd18322fa314a305c50129c89764ca9f54238c5e89d86a4a312398e8e56ca8_unpacked.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:1884

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1884-133-0x0000000001000000-0x0000000001029000-memory.dmp

Filesize
164KB

Download
memory/1884-134-0x0000000001000000-0x0000000001029000-memory.dmp

Filesize
164KB

Download
memory/1884-135-0x0000000001000000-0x0000000001029000-memory.dmp

Filesize
164KB

Download