21f41071eb31d4b4f2fb1e5d9be035014b1302313804e46077ca23da0dd30bc8

Resubmissions

19-07-2023 11:14

230719-nb99yscg87 10

19-07-2020 19:33

200719-m964m1njqe 10

Analysis

max time kernel
149s
max time network
152s
platform
windows10_x64
resource
win10v200430
submitted
19-07-2020 19:33

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General

Target

zloader 2_1.0.13.0.vir.exe
Size

154KB
MD5

07e6b50724981e0c96f7d23f48d309b5
SHA1

0c012857690e0eebf10eb0ccafcbad9434f99d91
SHA256

21f41071eb31d4b4f2fb1e5d9be035014b1302313804e46077ca23da0dd30bc8
SHA512

e930617c54fee9fbc9cfb37d6a014e808556f55306d50e2b83c81ef9478772ff4be4e86d55f03879ab5d0cba6a796268dbfb9ac06b2350502bbf56286dc83102

Score

8^/10

persistence

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1816 set thread context of 2604	1816	zloader 2_1.0.13.0.vir.exe	72

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2604	msiexec.exe
Token: SeSecurityPrivilege	2604	msiexec.exe

Blacklisted process makes network request 8 IoCs

flow	pid	Process
15	2604	msiexec.exe
16	2604	msiexec.exe
17	2604	msiexec.exe
18	2604	msiexec.exe
19	2604	msiexec.exe
24	2604	msiexec.exe
25	2604	msiexec.exe
26	2604	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
Set value (str)	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\Acefdu = "C:\\Users\\Admin\\AppData\\Roaming\\Ohidg\\biuh.exe"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 2604	1816	zloader 2_1.0.13.0.vir.exe	72
PID 1816 wrote to memory of 2604	1816	zloader 2_1.0.13.0.vir.exe	72
PID 1816 wrote to memory of 2604	1816	zloader 2_1.0.13.0.vir.exe	72
PID 1816 wrote to memory of 2604	1816	zloader 2_1.0.13.0.vir.exe	72
PID 1816 wrote to memory of 2604	1816	zloader 2_1.0.13.0.vir.exe	72

C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.13.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.13.0.vir.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Blacklisted process makes network request
  - Adds Run key to start application
  PID:2604

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/2604-0-0x0000000002430000-0x0000000002455000-memory.dmp

Filesize
148KB

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