phemedrone | b54e7cd114b771b8b81e8c9b461ab611c3a5fddc575bdf1da132f5863c5d1e72

General

Target

upd.ps1
Size

1KB
MD5

901388115be5c8209d83642d8d5d9b51
SHA1

d2293a97b9772328bb60e822027063deffba0c4d
SHA256

b54e7cd114b771b8b81e8c9b461ab611c3a5fddc575bdf1da132f5863c5d1e72
SHA512

798c57ea2b8cce8fc050ac4bdb2b054bfa8b808c404dafcfa4b423ec1197e11a7150a12578963a0b5b863c465a705cc618e7d00c168635ffc6eb60f118a46d1c

Score

10^/10

phemedrone credential_access execution spyware stealer

Malware Config

Extracted

Family

phemedrone

C2

https://api.telegram.org/bot8091768794:AAFZsJ1h-6BiszgyLm-eH6c-uITQ7Z99Wbc/sendDocument

Signatures

Phemedrone
An information and wallet stealer written in C#.
stealer phemedrone
Phemedrone family
phemedrone
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

6 2352 powershell.exe
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

WDSecureUtility_408.exe

pid process

1708 WDSecureUtility_408.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2352 powershell.exe

flow	pid	process
6	2352	powershell.exe

pid	process
1708	WDSecureUtility_408.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

powershell.exeWDSecureUtility_408.exe

pid	process
2352	powershell.exe
2352	powershell.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe
1708	WDSecureUtility_408.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeWDSecureUtility_408.exe

description pid process

Token: SeDebugPrivilege 2352 powershell.exe
Token: SeDebugPrivilege 1708 WDSecureUtility_408.exe

description	pid	process
Token: SeDebugPrivilege	2352	powershell.exe
Token: SeDebugPrivilege	1708	WDSecureUtility_408.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 2352 wrote to memory of 1708	2352	powershell.exe	WDSecureUtility_408.exe
PID 2352 wrote to memory of 1708	2352	powershell.exe	WDSecureUtility_408.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\upd.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352

C:\Users\Admin\AppData\Roaming\WDSecureUtility_408.exe
"C:\Users\Admin\AppData\Roaming\WDSecureUtility_408.exe" -pkek -aoa -y
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nw4efhrd.uyd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\WDSecureUtility_408.exe

Filesize
235KB

MD5
0ff0576f91e4f548ca0d223462b2586c

SHA1
d9d79541127febdb03e0c0de663d42b4b33fead9

SHA256
10273f0f52aecaaf9688f7bbc250bc1e75c3cfd054831c78fffadadfb65d07a6

SHA512
0c41762e9967aac27f9d064ef89e6c8cc145d906fcfa1f6420add3bc13e0b8d4c6fe62e828aec555722f90a98b7b6cba73ec3799ebf1d0a40fab3f191bdad1e2

Download Submit
memory/1708-28-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

Filesize
10.8MB

Download
memory/1708-25-0x0000027B1FF40000-0x0000027B1FF80000-memory.dmp

Filesize
256KB

Download
memory/1708-26-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

Filesize
10.8MB

Download
memory/1708-27-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

Filesize
10.8MB

Download
memory/1708-32-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

Filesize
10.8MB

Download
memory/2352-11-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

Filesize
10.8MB

Download
memory/2352-12-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

Filesize
10.8MB

Download
memory/2352-1-0x0000026522DD0000-0x0000026522DF2000-memory.dmp

Filesize
136KB

Download
memory/2352-0-0x00007FFBB9E73000-0x00007FFBB9E75000-memory.dmp

Filesize
8KB

Download
memory/2352-29-0x00007FFBB9E73000-0x00007FFBB9E75000-memory.dmp

Filesize
8KB

Download
memory/2352-30-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

Filesize
10.8MB

Download
memory/2352-35-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

Filesize
10.8MB

Download

Analysis

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