phemedrone | 9b213c9bac7b804d065dc1e4ce1d30e14da812d9810c33544f9d252147c4846f

General

Target

Open32.exe
Size

252KB
MD5

a4939552fd49c815275f8471aa690e24
SHA1

b25e32b28841d3a313df3214d808630de52171c0
SHA256

9b213c9bac7b804d065dc1e4ce1d30e14da812d9810c33544f9d252147c4846f
SHA512

ab7aad4c27751b4e9ba91bd8a2c11f6ab11ad2eec63d66d0f174c58713380f0ee267a65e495eecc736e1aae258ffa039e4e7728560bd49b91a9eb4a8cf2d577d
SSDEEP

6144:euGQdkTUGJXOjv5o1SDQkdvuP84zyU/49eK/yB4ar:XGSkTUGRODekpz4zq9eK/yB4ar

Score

10^/10

phemedrone spyware stealer

Malware Config

Extracted

Family

phemedrone

C2

https://api.telegram.org/bot6719312271:AAE1QFaFTcG0HSHiQXVv7gdDUMwSNOPMadg/sendMessage?chat_id=-4194654645

Signatures

Phemedrone
An information and wallet stealer written in C#.
stealer phemedrone
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

7 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

Open32.exe

description pid process target process

PID 864 set thread context of 4084 864 Open32.exe RegAsm.exe

flow	ioc
7	ip-api.com

description	pid	process	target process
PID 864 set thread context of 4084	864	Open32.exe	RegAsm.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

RegAsm.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	RegAsm.exe

Modifies Internet Explorer settings 1 TTPs 17 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F7283D13-1385-11EF-BCA5-4A6FEDA150B9} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

RegAsm.exe

pid	process
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe
4084	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4084 RegAsm.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2352 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2352 iexplore.exe
2352 iexplore.exe
3944 IEXPLORE.EXE
3944 IEXPLORE.EXE
3944 IEXPLORE.EXE
3944 IEXPLORE.EXE

description	pid	process
Token: SeDebugPrivilege	4084	RegAsm.exe

pid	process
2352	iexplore.exe

pid	process
2352	iexplore.exe
2352	iexplore.exe
3944	IEXPLORE.EXE
3944	IEXPLORE.EXE
3944	IEXPLORE.EXE
3944	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Open32.exeiexplore.exe

description	pid	process	target process
PID 864 wrote to memory of 4084	864	Open32.exe	RegAsm.exe
PID 864 wrote to memory of 4084	864	Open32.exe	RegAsm.exe
PID 864 wrote to memory of 4084	864	Open32.exe	RegAsm.exe
PID 864 wrote to memory of 4084	864	Open32.exe	RegAsm.exe
PID 864 wrote to memory of 4084	864	Open32.exe	RegAsm.exe
PID 864 wrote to memory of 4084	864	Open32.exe	RegAsm.exe
PID 864 wrote to memory of 4084	864	Open32.exe	RegAsm.exe
PID 864 wrote to memory of 4084	864	Open32.exe	RegAsm.exe
PID 2352 wrote to memory of 3944	2352	iexplore.exe	IEXPLORE.EXE
PID 2352 wrote to memory of 3944	2352	iexplore.exe	IEXPLORE.EXE
PID 2352 wrote to memory of 3944	2352	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\Open32.exe
"C:\Users\Admin\AppData\Local\Temp\Open32.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:864
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4084

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:4260

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\PushPublish.gif
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2352 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/864-0-0x0000000000840000-0x0000000000841000-memory.dmp

Filesize
4KB

Download
memory/4084-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4084-2-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/4084-3-0x0000000005030000-0x0000000005096000-memory.dmp

Filesize
408KB

Download
memory/4084-4-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads