zloader | 58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222

Analysis

max time kernel
489s
max time network
497s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2022 06:35

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General

Target

58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe
Size

141KB
MD5

a74a0a84a2ed0674e540ac9aa4405638
SHA1

6ea4c0b33b660908b6032252c345c1936364390e
SHA256

58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222
SHA512

a7dc0515208a02ebaec31b39c74bcf366ea2deaac7f7bbbe2b748273c53868144dec8e129f909a8b5d46c0598db384581977f51a42b2b19fb1da15d62699262c
SSDEEP

3072:Ze6xD8emYCB6K8WfJnIFwWmVteLz+isF:ZeqfmXFXW8wzc

Score

10^/10

zloader -test2 web7-test2 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

-test2

Campaign

web7-test2

https://45.72.3.132/web7643/gate.php

Attributes

build_id
929195383

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 15 IoCs

flow	pid	Process
22	1220	msiexec.exe
25	1220	msiexec.exe
29	1220	msiexec.exe
36	1220	msiexec.exe
39	1220	msiexec.exe
46	1220	msiexec.exe
47	1220	msiexec.exe
51	1220	msiexec.exe
52	1220	msiexec.exe
53	1220	msiexec.exe
54	1220	msiexec.exe
55	1220	msiexec.exe
56	1220	msiexec.exe
57	1220	msiexec.exe
58	1220	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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cify = "C:\\Users\\Admin\\AppData\\Roaming\\Foacbu\\hayh.exe"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 568 set thread context of 1220	568	58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe	84

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1220	msiexec.exe
Token: SeSecurityPrivilege	1220	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 568 wrote to memory of 1220	568	58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe	84
PID 568 wrote to memory of 1220	568	58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe	84
PID 568 wrote to memory of 1220	568	58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe	84
PID 568 wrote to memory of 1220	568	58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe	84
PID 568 wrote to memory of 1220	568	58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe	84

C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe
"C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:568
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:1220

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

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Downloads

memory/1220-133-0x0000000000F20000-0x0000000000F49000-memory.dmp

Filesize
164KB

Download
memory/1220-134-0x0000000000F20000-0x0000000000F49000-memory.dmp

Filesize
164KB

Download
memory/1220-135-0x0000000000F20000-0x0000000000F49000-memory.dmp

Filesize
164KB

Download