7eb2de2bfd05ee1e83980aa914486789d2e8f3fb3cc6e166f140302fdaf40cd9

Analysis

max time kernel
146s
max time network
140s
platform
windows10_x64
resource
win10v20201028
submitted
13/01/2021, 07:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
PO-75013.scr
Size 1.6MB
Sample210113-e8ce7z11he
SHA256 7eb2de2bfd05ee1e83980aa914486789d2e8f3fb3cc6e166f140302fdaf40cd9
MD5 e7e6ee6ef97ff797562c91e0ff401ac4
SHA1 d1ec737c87a9c0a91456f1019106b77ee2e03980
SHA512 1b84af0412dc0afbc19f894d2aec326f0f11c12dc9921ac817dab08415051f841b77aec5ed7bf5b53b0665e68b68ab53392ea731243a4630125fc158b3fd7743
MD5 SHA1 SHA512

Score

8^/10

persistence spyware

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4088	explore.exe
656	InstallUtil.exe

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
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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\explore = "C:\\Users\\Admin\\explore.exe"	reg.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	checkip.dyndns.org
18	freegeoip.app
19	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4088 set thread context of 656	4088	explore.exe	82

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
4088	explore.exe
4088	explore.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	592	PO-75013.scr
Token: SeDebugPrivilege	4088	explore.exe
Token: SeDebugPrivilege	656	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 592 wrote to memory of 760	592	PO-75013.scr	77
PID 592 wrote to memory of 760	592	PO-75013.scr	77
PID 592 wrote to memory of 760	592	PO-75013.scr	77
PID 760 wrote to memory of 2312	760	cmd.exe	79
PID 760 wrote to memory of 2312	760	cmd.exe	79
PID 760 wrote to memory of 2312	760	cmd.exe	79
PID 592 wrote to memory of 4088	592	PO-75013.scr	81
PID 592 wrote to memory of 4088	592	PO-75013.scr	81
PID 592 wrote to memory of 4088	592	PO-75013.scr	81
PID 4088 wrote to memory of 656	4088	explore.exe	82
PID 4088 wrote to memory of 656	4088	explore.exe	82
PID 4088 wrote to memory of 656	4088	explore.exe	82
PID 4088 wrote to memory of 656	4088	explore.exe	82
PID 4088 wrote to memory of 656	4088	explore.exe	82
PID 4088 wrote to memory of 656	4088	explore.exe	82
PID 4088 wrote to memory of 656	4088	explore.exe	82
PID 4088 wrote to memory of 656	4088	explore.exe	82

C:\Users\Admin\AppData\Local\Temp\PO-75013.scr
"C:\Users\Admin\AppData\Local\Temp\PO-75013.scr" /S
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:592
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "explore" /t REG_SZ /d "C:\Users\Admin\explore.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:760
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "explore" /t REG_SZ /d "C:\Users\Admin\explore.exe"
    3⤵
    - Adds Run key to start application
    PID:2312
- C:\Users\Admin\explore.exe
  "C:\Users\Admin\explore.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4088
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:656

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

Loading Replay Monitor...

Downloads

memory/592-2-0x0000000073F80000-0x000000007466E000-memory.dmp

Download

memory/592-8-0x0000000008190000-0x0000000008191000-memory.dmp

Download

memory/592-3-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Download

memory/592-5-0x00000000057F0000-0x00000000057F1000-memory.dmp

Download

memory/592-7-0x0000000005790000-0x0000000005791000-memory.dmp

Download

memory/592-6-0x00000000030D0000-0x00000000030EE000-memory.dmp

Download

memory/656-30-0x0000000005310000-0x0000000005311000-memory.dmp

Download

memory/656-34-0x0000000005D80000-0x0000000005D81000-memory.dmp

Download

memory/656-32-0x0000000005DE0000-0x0000000005DE1000-memory.dmp

Download

memory/656-28-0x0000000000830000-0x0000000000898000-memory.dmp

Download

memory/656-27-0x0000000073F80000-0x000000007466E000-memory.dmp

Download

memory/4088-22-0x000000000B500000-0x000000000B501000-memory.dmp

Download

memory/4088-21-0x0000000008050000-0x000000000805B000-memory.dmp

Download

memory/4088-14-0x0000000073F80000-0x000000007466E000-memory.dmp

Download