2a69f324a5524c24e3280c7d6e573ee0854ae8a6e12efe42f1c8cea50999ba74

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 03:37

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General

Target

picturefonts.exe
Size

12.1MB
MD5

269a751b0c6d68cc39b2267c1592dae2
SHA1

2ead3153069297c67bb33c7a83e63d2721aa9f4d
SHA256

319d1dc217b7e83a85dd62cb2c066156ba5579087f11c991a99089606979ca28
SHA512

d8da3bf11287c5168544c3d39460b428252dd1f60f7777a3770bc537f89def019078f46b9695a78338bc227e67c902494912d36dcd046e2a514bd0bd96107929
SSDEEP

196608:K4V6se4m7QH0RD3noXrrj8dVtxqVjDdLMmGEMGHIr915DnjdZd:K4VtH0RD3oXryDxa5LBGlGHIrT5Tx/

Score

7^/10

discovery

Malware Config

Signatures

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral6/memory/1108-1-0x0000000000280000-0x0000000000EA4000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1108 set thread context of 100	1108	picturefonts.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3268	100	WerFault.exe	82

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

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	picturefonts.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82
PID 1108 wrote to memory of 100	1108	picturefonts.exe	82

C:\Users\Admin\AppData\Local\Temp\picturefonts.exe
"C:\Users\Admin\AppData\Local\Temp\picturefonts.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108
- 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
  PID:100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 888
    3⤵
    - Program crash
    PID:3268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 100 -ip 100
1⤵
PID:4532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/100-13-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/100-8-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/100-11-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/100-10-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1108-4-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1108-5-0x0000000006D60000-0x00000000071D8000-memory.dmp

Filesize
4.5MB

Download
memory/1108-6-0x00000000071E0000-0x000000000746C000-memory.dmp

Filesize
2.5MB

Download
memory/1108-2-0x0000000005A90000-0x0000000005B2C000-memory.dmp

Filesize
624KB

Download
memory/1108-14-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1108-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/1108-3-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1108-1-0x0000000000280000-0x0000000000EA4000-memory.dmp

Filesize
12.1MB

Download
memory/1108-7-0x00000000032E0000-0x0000000003302000-memory.dmp

Filesize
136KB

Download