34408552d34edc061e6bce5aa476bdfa09f5c8a7f1936d902dea430c0fa14d62

Analysis

max time kernel
146s
max time network
85s
platform
windows10_x64
resource
win10v200430
submitted
16-07-2020 08:00

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General

Target

Adobe Reader XI.exe
Size

972KB
MD5

2e78f507e765c9a2115684674b208807
SHA1

b15107bec5389d221916a49718a69651474822fa
SHA256

34408552d34edc061e6bce5aa476bdfa09f5c8a7f1936d902dea430c0fa14d62
SHA512

f3ea9738b408f6083a8683c27981254d90351808c4d3eefe95a0a39ac79d48990cefbd162209d35359859b0895fa3f0166d9be6a6b5822f76763de62ac92adde

Score

7^/10

persistence spyware

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2140	RegSvcs.exe
2140	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 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\BAVLA = "C:\\Users\\Admin\\AppData\\Roaming\\BAVLA\\BAVLA.exe"	RegSvcs.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 2140	3544	Adobe Reader XI.exe	72
PID 3544 wrote to memory of 2140	3544	Adobe Reader XI.exe	72
PID 3544 wrote to memory of 2140	3544	Adobe Reader XI.exe	72
PID 3544 wrote to memory of 2140	3544	Adobe Reader XI.exe	72
PID 3544 wrote to memory of 2140	3544	Adobe Reader XI.exe	72
PID 3544 wrote to memory of 2140	3544	Adobe Reader XI.exe	72
PID 3544 wrote to memory of 2140	3544	Adobe Reader XI.exe	72
PID 3544 wrote to memory of 2140	3544	Adobe Reader XI.exe	72

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3544 set thread context of 2140	3544	Adobe Reader XI.exe	72

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Adobe Reader XI.exe
"C:\Users\Admin\AppData\Local\Temp\Adobe Reader XI.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:3544
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:2140

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

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2140-4-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

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