58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222

Resubmissions

16-11-2023 20:27

231116-y8gzsage5v 10

19-07-2020 19:22

200719-j3qdf4g92x 10

Analysis

max time kernel
130s
max time network
125s
platform
windows10_x64
resource
win10
submitted
19-07-2020 19:22

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Report Analysis Logs

General

Target

zloader 2_1.0.6.0.vir.exe
Size

141KB
MD5

a74a0a84a2ed0674e540ac9aa4405638
SHA1

6ea4c0b33b660908b6032252c345c1936364390e
SHA256

58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222
SHA512

a7dc0515208a02ebaec31b39c74bcf366ea2deaac7f7bbbe2b748273c53868144dec8e129f909a8b5d46c0598db384581977f51a42b2b19fb1da15d62699262c

Score

8^/10

persistence

Malware Config

Signatures

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

zloader 2_1.0.6.0.vir.exe

description	pid	process	target process
PID 2920 wrote to memory of 3736	2920	zloader 2_1.0.6.0.vir.exe	msiexec.exe
PID 2920 wrote to memory of 3736	2920	zloader 2_1.0.6.0.vir.exe	msiexec.exe
PID 2920 wrote to memory of 3736	2920	zloader 2_1.0.6.0.vir.exe	msiexec.exe
PID 2920 wrote to memory of 3736	2920	zloader 2_1.0.6.0.vir.exe	msiexec.exe
PID 2920 wrote to memory of 3736	2920	zloader 2_1.0.6.0.vir.exe	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

zloader 2_1.0.6.0.vir.exe

description pid process target process

PID 2920 set thread context of 3736 2920 zloader 2_1.0.6.0.vir.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 3736 msiexec.exe
Token: SeSecurityPrivilege 3736 msiexec.exe
Blacklisted process makes network request 5 IoCs

Processes:

msiexec.exe

flow pid process

4 3736 msiexec.exe
5 3736 msiexec.exe
11 3736 msiexec.exe
13 3736 msiexec.exe
15 3736 msiexec.exe

description	pid	process	target process
PID 2920 set thread context of 3736	2920	zloader 2_1.0.6.0.vir.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	3736	msiexec.exe
Token: SeSecurityPrivilege	3736	msiexec.exe

flow	pid	process
4	3736	msiexec.exe
5	3736	msiexec.exe
11	3736	msiexec.exe
13	3736	msiexec.exe
15	3736	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-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gyyfe = "C:\\Users\\Admin\\AppData\\Roaming\\Gahya\\gyycf.exe"	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.6.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.6.0.vir.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:2920

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
- Adds Run key to start application
PID:3736

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

Replay Monitor

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Downloads

memory/3736-0-0x0000000002AE0000-0x0000000002B09000-memory.dmp

Filesize
164KB

Download
memory/3736-1-0x0000000000000000-mapping.dmp

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