phemedrone | 53d6a18ea5f6ee799a163937a8feeb7da1f80480f610241b140233b0d9875c4c

General

Target

csc.exe
Size

140KB
MD5

7b537e9227a6f54d1b58a304476c776b
SHA1

9b0c1f9335b49a9b08d512c2cabd9aea2c38a315
SHA256

53d6a18ea5f6ee799a163937a8feeb7da1f80480f610241b140233b0d9875c4c
SHA512

299ab11911012c8c1b38e17cb2d27d4019d5b77723f89b5e864d049dfce9ee086f39a2e6dda56a756a2e4a783c9118f28f8f0b5bfc38e7554df12416e1bf94d2
SSDEEP

3072:ZNl8ENz25WGNx23FTuHqW8hsn0kg0+T77qCGKLhN8IxX51:dhNz28GNU3JAh8h60kpM72ohNRx

Score

10^/10

phemedrone credential_access discovery spyware stealer

Malware Config

Extracted

Family

phemedrone

C2

https://api.telegram.org/bot7253527125:AAG2zbXlkuY33BxLSZk2mcohhToET22xkTM/sendDocument

Signatures

Phemedrone
An information and wallet stealer written in C#.
stealer phemedrone
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

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

Credentials In Files
T1552.001
Suspicious use of SetThreadContext 1 IoCs

Processes:

csc.exe

description pid process target process

PID 2156 set thread context of 2716 2156 csc.exe RegAsm.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

504 2716 WerFault.exe RegAsm.exe

description	pid	process	target process
PID 2156 set thread context of 2716	2156	csc.exe	RegAsm.exe

pid	pid_target	process	target process
504	2716	WerFault.exe	RegAsm.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

csc.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegAsm.exe

pid process

2716 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2716 RegAsm.exe

pid	process
2716	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2716	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

csc.exeRegAsm.exe

description	pid	process	target process
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2156 wrote to memory of 2716	2156	csc.exe	RegAsm.exe
PID 2716 wrote to memory of 504	2716	RegAsm.exe	WerFault.exe
PID 2716 wrote to memory of 504	2716	RegAsm.exe	WerFault.exe
PID 2716 wrote to memory of 504	2716	RegAsm.exe	WerFault.exe
PID 2716 wrote to memory of 504	2716	RegAsm.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\csc.exe
"C:\Users\Admin\AppData\Local\Temp\csc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 1752
    3⤵
    - Program crash
    PID:504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2156-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/2156-1-0x0000000001040000-0x000000000106A000-memory.dmp

Filesize
168KB

Download
memory/2156-18-0x0000000074A40000-0x000000007512E000-memory.dmp

Filesize
6.9MB

Download
memory/2716-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2716-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2716-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2716-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2716-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2716-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2716-3-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

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