97139bbaf34d92df333d9f791d12b11a8a273151edcaecb9ab7ec75bb034552f

Analysis

max time kernel
149s
max time network
151s
platform
windows10_x64
resource
win10
submitted
19-07-2020 19:51

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General

Target

zloader 2_1.0.12.0.vir.exe
Size

165KB
MD5

fa1a19977598c3f020882a4fa32e04b7
SHA1

c902504f5377c31324e28801a67be6957e41271a
SHA256

97139bbaf34d92df333d9f791d12b11a8a273151edcaecb9ab7ec75bb034552f
SHA512

e8601a99fd078ce1084384205ea301806bafe000196fbef9bb39dbf6bc7c64e7d18bb630c11f101ae6a9776bf59ba5c9c20b1db46627d78db6a2f01912e6b06a

Score

8^/10

persistence

Malware Config

Signatures

Blacklisted process makes network request 10 IoCs

Processes:

msiexec.exe

flow	pid	process
16	3836	msiexec.exe
17	3836	msiexec.exe
18	3836	msiexec.exe
19	3836	msiexec.exe
20	3836	msiexec.exe
25	3836	msiexec.exe
26	3836	msiexec.exe
27	3836	msiexec.exe
28	3836	msiexec.exe
29	3836	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\Gaubu = "C:\\Users\\Admin\\AppData\\Roaming\\Geaho\\ucdui.exe"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

zloader 2_1.0.12.0.vir.exe

description pid process target process

PID 2460 set thread context of 3836 2460 zloader 2_1.0.12.0.vir.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 3836 msiexec.exe
Token: SeSecurityPrivilege 3836 msiexec.exe

description	pid	process	target process
PID 2460 set thread context of 3836	2460	zloader 2_1.0.12.0.vir.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	3836	msiexec.exe
Token: SeSecurityPrivilege	3836	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

zloader 2_1.0.12.0.vir.exe

description	pid	process	target process
PID 2460 wrote to memory of 3836	2460	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 2460 wrote to memory of 3836	2460	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 2460 wrote to memory of 3836	2460	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 2460 wrote to memory of 3836	2460	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 2460 wrote to memory of 3836	2460	zloader 2_1.0.12.0.vir.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.12.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.12.0.vir.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2460

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Blacklisted process makes network request
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:3836

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

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Downloads

memory/3836-0-0x0000000002AC0000-0x0000000002AE8000-memory.dmp

Filesize
160KB

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memory/3836-1-0x0000000000000000-mapping.dmp

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