da550540689b015b44a2e03f37c23ed8c8730ccf9cb611490dc76a39782dce2b

Analysis

max time kernel
147s
max time network
150s
platform
windows10_x64
resource
win10
submitted
19-07-2020 17:30

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General

Target

zloader 2_1.1.20.0.vir.exe
Size

575KB
MD5

7d8bb43c8776981c2c75313cf67175f0
SHA1

d3895f0e4116c045c4e13ea478643e64b1ebf12d
SHA256

da550540689b015b44a2e03f37c23ed8c8730ccf9cb611490dc76a39782dce2b
SHA512

b74bf507bf7729ad0f231308bfcbdd36fe12dd8dcd687724d2e2e038422bcdd0e1204f59977b27988e2913329e99f7804243d9be860ae615e21154a85ffd91b5

Score

8^/10

persistence

Malware Config

Signatures

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 2116 msiexec.exe
Token: SeSecurityPrivilege 2116 msiexec.exe
Blacklisted process makes network request 2 IoCs

Processes:

msiexec.exe

flow pid process

17 2116 msiexec.exe
18 2116 msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	2116	msiexec.exe
Token: SeSecurityPrivilege	2116	msiexec.exe

flow	pid	process
17	2116	msiexec.exe
18	2116	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\Uwumbya = "C:\\Users\\Admin\\AppData\\Roaming\\Uwzum\\uvzada.exe"	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

zloader 2_1.1.20.0.vir.exe

description	pid	process	target process
PID 1940 wrote to memory of 2116	1940	zloader 2_1.1.20.0.vir.exe	msiexec.exe
PID 1940 wrote to memory of 2116	1940	zloader 2_1.1.20.0.vir.exe	msiexec.exe
PID 1940 wrote to memory of 2116	1940	zloader 2_1.1.20.0.vir.exe	msiexec.exe
PID 1940 wrote to memory of 2116	1940	zloader 2_1.1.20.0.vir.exe	msiexec.exe
PID 1940 wrote to memory of 2116	1940	zloader 2_1.1.20.0.vir.exe	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

zloader 2_1.1.20.0.vir.exe

description pid process target process

PID 1940 set thread context of 2116 1940 zloader 2_1.1.20.0.vir.exe msiexec.exe

description	pid	process	target process
PID 1940 set thread context of 2116	1940	zloader 2_1.1.20.0.vir.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\zloader 2_1.1.20.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader 2_1.1.20.0.vir.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1940

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
- Adds Run key to start application
PID:2116

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/2116-0-0x0000000002650000-0x0000000002681000-memory.dmp

Filesize
196KB

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memory/2116-1-0x0000000000000000-mapping.dmp

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