phemedrone | c185695a5c260e4c77fe5a0999ce23f9a3ea45f89b15003a18e8c3052e75beb6

General

Target

c185695a5c260e4c77fe5a0999ce23f9a3ea45f89b15003a18e8c3052e75beb6.ps1
Size

208B
MD5

f74352d968ebe606fcc81a9d827e5ccf
SHA1

1d6b0838ef4e437998b11ea7c15691e483d7b9d6
SHA256

c185695a5c260e4c77fe5a0999ce23f9a3ea45f89b15003a18e8c3052e75beb6
SHA512

b8cf2b1d9fd7b4c2557918d05b89cc179f60849c6959dcefd92a26619c4af53cd5deb13bca6b9028af1934628626a3f0d27c463f38d4f73f5e1aedc37c080178

Score

10^/10

phemedrone discovery evasion execution stealer themida trojan

Malware Config

Extracted

Family

phemedrone

C2

https://api.telegram.org/bot7772275304:AAF3OSvWBzn5cIHkGD9ueBFz5ed91u-60-U/sendDocument

Signatures

Phemedrone
An information and wallet stealer written in C#.
stealer phemedrone
Phemedrone family
phemedrone

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Activation.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	4676	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1912	powershell.exe
4676	powershell.exe
1912	powershell.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Activation.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Activation.exe

Executes dropped EXE 1 IoCs

pid	Process
1040	Activation.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x000b000000023b85-37.dat	themida
behavioral2/memory/1040-42-0x0000000000990000-0x0000000001224000-memory.dmp	themida
behavioral2/memory/1040-43-0x0000000000990000-0x0000000001224000-memory.dmp	themida
behavioral2/memory/1040-46-0x0000000000990000-0x0000000001224000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Activation.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1040	Activation.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3080	1040	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 1 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Activation.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4676	powershell.exe
4676	powershell.exe
1912	powershell.exe
1912	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4676	powershell.exe
Token: SeDebugPrivilege	1912	powershell.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 1912	4676	powershell.exe	84
PID 4676 wrote to memory of 1912	4676	powershell.exe	84
PID 4676 wrote to memory of 1040	4676	powershell.exe	86
PID 4676 wrote to memory of 1040	4676	powershell.exe	86
PID 4676 wrote to memory of 1040	4676	powershell.exe	86

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\c185695a5c260e4c77fe5a0999ce23f9a3ea45f89b15003a18e8c3052e75beb6.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle hidden Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1912
- C:\Users\Admin\AppData\Local\Activation.exe
  "C:\Users\Admin\AppData\Local\Activation.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:1040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 1020
    3⤵
    - Program crash
    PID:3080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1040 -ip 1040
1⤵
PID:2880

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

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Activation.exe

Filesize
3.2MB

MD5
aa3a94ba72728df41a815b060f5e9c52

SHA1
baec525e25786a3787b90b300a383f814e65377d

SHA256
573a6686dba8217e51b0c4fd9b041a4bf3ce193d6be69e201a6edcefa3dc42e6

SHA512
99772aa3f7837a205f1657730cafc93d8bdcd3cd3826669402f344db5ba28d48c84521dba2a7eab2e7a0c5b3b064fe8c364b9665d03253a94f6177565ef82962

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
13002cfc878c68cdbe5dda354117be10

SHA1
448cd56832e73d3841a35f21d9fcc4bde39b9fd3

SHA256
da55590495b60a95201d83e987e0f8958a3e1c2cb1994ad6018849a9a4670c47

SHA512
c2832621af48e48ee4fb162e71770188859dc9279d477b41d6e443992e98172e3579689893bd33cae5df7d327088ef783a4f81a438f12b2261ba3e58c2915923

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5utfvm0y.2d4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1040-42-0x0000000000990000-0x0000000001224000-memory.dmp

Filesize
8.6MB

Download
memory/1040-43-0x0000000000990000-0x0000000001224000-memory.dmp

Filesize
8.6MB

Download
memory/1040-44-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/1040-39-0x0000000000990000-0x0000000001224000-memory.dmp

Filesize
8.6MB

Download
memory/1040-46-0x0000000000990000-0x0000000001224000-memory.dmp

Filesize
8.6MB

Download
memory/1912-22-0x00007FF8D0880000-0x00007FF8D1341000-memory.dmp

Filesize
10.8MB

Download
memory/1912-23-0x00007FF8D0880000-0x00007FF8D1341000-memory.dmp

Filesize
10.8MB

Download
memory/1912-24-0x00007FF8D0880000-0x00007FF8D1341000-memory.dmp

Filesize
10.8MB

Download
memory/1912-27-0x00007FF8D0880000-0x00007FF8D1341000-memory.dmp

Filesize
10.8MB

Download
memory/4676-12-0x00007FF8D0880000-0x00007FF8D1341000-memory.dmp

Filesize
10.8MB

Download
memory/4676-38-0x00007FF8D0880000-0x00007FF8D1341000-memory.dmp

Filesize
10.8MB

Download
memory/4676-28-0x00007FF8D0880000-0x00007FF8D1341000-memory.dmp

Filesize
10.8MB

Download
memory/4676-0-0x00007FF8D0883000-0x00007FF8D0885000-memory.dmp

Filesize
8KB

Download
memory/4676-11-0x00007FF8D0880000-0x00007FF8D1341000-memory.dmp

Filesize
10.8MB

Download
memory/4676-1-0x00000181F48B0000-0x00000181F48D2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads