cad0968f5ab3bedeffef68bbe18f92946fb97967cef59970157029480ed15bb9

Analysis

max time kernel
147s
max time network
145s
platform
windows10_x64
resource
win10
submitted
19-07-2020 19:50

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General

Target

zloader 2_1.0.10.0.vir.exe
Size

139KB
MD5

d91b498e5fc6c91e1e86b339407b58f7
SHA1

369e3c4646a69b99a797e0e288fd3145e2a6f35a
SHA256

cad0968f5ab3bedeffef68bbe18f92946fb97967cef59970157029480ed15bb9
SHA512

b981f7c4857327708233bf7e44bfb485c1cc7148ca850a63b12f854215edb583f5a499109d67b94f213226d23d0f4e0e5d04b888193fa5e799e30f051e9c9dbd

Score

8^/10

persistence

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

zloader 2_1.0.10.0.vir.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier zloader 2_1.0.10.0.vir.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	zloader 2_1.0.10.0.vir.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\Dyed = "C:\\Users\\Admin\\AppData\\Roaming\\Ifgoc\\guofhiib.exe"	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

zloader 2_1.0.10.0.vir.exe

description	pid	process	target process
PID 3100 wrote to memory of 3864	3100	zloader 2_1.0.10.0.vir.exe	msiexec.exe
PID 3100 wrote to memory of 3864	3100	zloader 2_1.0.10.0.vir.exe	msiexec.exe
PID 3100 wrote to memory of 3864	3100	zloader 2_1.0.10.0.vir.exe	msiexec.exe
PID 3100 wrote to memory of 3864	3100	zloader 2_1.0.10.0.vir.exe	msiexec.exe
PID 3100 wrote to memory of 3864	3100	zloader 2_1.0.10.0.vir.exe	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

zloader 2_1.0.10.0.vir.exe

description pid process target process

PID 3100 set thread context of 3864 3100 zloader 2_1.0.10.0.vir.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 3864 msiexec.exe
Token: SeSecurityPrivilege 3864 msiexec.exe

description	pid	process	target process
PID 3100 set thread context of 3864	3100	zloader 2_1.0.10.0.vir.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	3864	msiexec.exe
Token: SeSecurityPrivilege	3864	msiexec.exe

Blacklisted process makes network request 10 IoCs

Processes:

msiexec.exe

flow	pid	process
31	3864	msiexec.exe
32	3864	msiexec.exe
33	3864	msiexec.exe
34	3864	msiexec.exe
35	3864	msiexec.exe
40	3864	msiexec.exe
41	3864	msiexec.exe
42	3864	msiexec.exe
43	3864	msiexec.exe
44	3864	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.10.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.10.0.vir.exe"
1⤵
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:3100

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
PID:3864

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3864-0-0x0000000002F60000-0x0000000002F80000-memory.dmp

Filesize
128KB

Download
memory/3864-1-0x0000000000000000-mapping.dmp

Download