f1f53b86fe4d6b4a88c5c034ddb0ff67b7b6213a4dddc651f37482c2e7e96fbb

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 06:28

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General

Target

f1f53b86fe4d6b4a88c5c034ddb0ff67b7b6213a4dddc651f37482c2e7e96fbb.dll
Size

76KB
MD5

e3915f12e2707ec01a2209a989f28b1b
SHA1

13e86f923e9ade690c590431a439f4bac46f5980
SHA256

f1f53b86fe4d6b4a88c5c034ddb0ff67b7b6213a4dddc651f37482c2e7e96fbb
SHA512

71ad2101c0b49c852cb54c8a1b0aef27b6a6e1936777aa45adb82e9d00bb316e51710bbeb1a5c8bca57cbf37f36f519477dfd7ad6056aa890eb74af17d1866a0
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZtdzCEFQ4gwMS6:c8y93KQjy7G55riF1cMo03zdE4gwd6

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2784-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2784-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2784-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2784-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	2784	WerFault.exe	31

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	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2784 wrote to memory of 2700	2784	rundll32.exe	32
PID 2784 wrote to memory of 2700	2784	rundll32.exe	32
PID 2784 wrote to memory of 2700	2784	rundll32.exe	32
PID 2784 wrote to memory of 2700	2784	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1f53b86fe4d6b4a88c5c034ddb0ff67b7b6213a4dddc651f37482c2e7e96fbb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1f53b86fe4d6b4a88c5c034ddb0ff67b7b6213a4dddc651f37482c2e7e96fbb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 308
    3⤵
    - Program crash
    PID:2700

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

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Downloads

memory/2784-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2784-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2784-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2784-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2784-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download