ebf4048af02f662e08746174979921767cfe327a76664493f90b34c304aa9bbe

Analysis

max time kernel
93s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 02:46

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General

Target

7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe
Size

665KB
MD5

7e104e94c2a2f1f9ee10ba5c7e70d6ec
SHA1

02b8a65430ae611baa46ca48c4b4e1ebcc9101aa
SHA256

ebf4048af02f662e08746174979921767cfe327a76664493f90b34c304aa9bbe
SHA512

44d80b4e8429448aebab720ef8ff61086a70d06647a1f024f2397f5f1ae1258368dcce8da5f315d27eb5e14efc9349f016ea6b1e4f15302ccd069fa98705c490
SSDEEP

6144:8KDEo6in3CfUzXZjCjf79GnMTvQD5Y3cFDCStRz0MCfUztDzI7ybK7Ju:mo6qhCVYq3mtRz0LUztz/K7

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00080000000234be-5.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
2152	regsvr32.exe
4248	7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00080000000234be-5.dat	upx
behavioral2/memory/2152-7-0x0000000010000000-0x0000000010076000-memory.dmp	upx
behavioral2/memory/4248-9-0x0000000010000000-0x0000000010076000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\actskn4.ocx	7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1572	2152	WerFault.exe	84
232	4248	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	7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4248	7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 2152	4248	7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe	84
PID 4248 wrote to memory of 2152	4248	7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe	84
PID 4248 wrote to memory of 2152	4248	7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe	84

C:\Users\Admin\AppData\Local\Temp\7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe
"C:\Users\Admin\AppData\Local\Temp\7e104e94c2a2f1f9ee10ba5c7e70d6ec.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s actskn4.ocx
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 676
    3⤵
    - Program crash
    PID:1572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 696
  2⤵
  - Program crash
  PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2152 -ip 2152
1⤵
PID:3016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4248 -ip 4248
1⤵
PID:3228

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

C:\Windows\SysWOW64\actskn4.ocx

Filesize
202KB

MD5
d756582c08158b848171e8dd24fad733

SHA1
d1ebfbb1446a08ad755455d458fa4b51f6a3e1e9

SHA256
0252537f22d6e062239050dfce23a1580283933b87b63b95e3210d959f5f2d18

SHA512
ca2b3fbc057dbdbf55b697d332f29631558182daf448652cba3d979e59b9c8147d86f3fa297324ab4370d4f0b8211dd446891b15959b97ffd4d8461b206c46f7

Download Submit
memory/2152-7-0x0000000010000000-0x0000000010076000-memory.dmp

Filesize
472KB

Download
memory/4248-0-0x0000000000400000-0x00000000004AB208-memory.dmp

Filesize
684KB

Download
memory/4248-9-0x0000000010000000-0x0000000010076000-memory.dmp

Filesize
472KB

Download
memory/4248-10-0x0000000000400000-0x00000000004AB208-memory.dmp

Filesize
684KB

Download