7cd0aa56464bac978c521ba11245addb33c8216e94b972748b6a42dd0a64b52c

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 04:31

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General

Target

2024-09-19_a4d4f91c59aa9967b94bf12bf801b6e6_cryptolocker.exe
Size

73KB
MD5

a4d4f91c59aa9967b94bf12bf801b6e6
SHA1

abaa1b82f29fefe650dba575f25c106c75d729eb
SHA256

7cd0aa56464bac978c521ba11245addb33c8216e94b972748b6a42dd0a64b52c
SHA512

efe6aae7054784c6fd8d04ddc833ecd985d216696f691c7b979c09b30668c4ab9b7e59c71bf31b34c9affa98cf3ab8fe182daaeec0f1f72a8a587094e24ca7fa
SSDEEP

1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9Lv:C4Q2c94OtEvwDpj4H8z+

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2076	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
276	2024-09-19_a4d4f91c59aa9967b94bf12bf801b6e6_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/276-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000d000000012272-11.dat	upx
behavioral1/memory/276-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2076-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	2024-09-19_a4d4f91c59aa9967b94bf12bf801b6e6_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 276 wrote to memory of 2076	276	2024-09-19_a4d4f91c59aa9967b94bf12bf801b6e6_cryptolocker.exe	31
PID 276 wrote to memory of 2076	276	2024-09-19_a4d4f91c59aa9967b94bf12bf801b6e6_cryptolocker.exe	31
PID 276 wrote to memory of 2076	276	2024-09-19_a4d4f91c59aa9967b94bf12bf801b6e6_cryptolocker.exe	31
PID 276 wrote to memory of 2076	276	2024-09-19_a4d4f91c59aa9967b94bf12bf801b6e6_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-19_a4d4f91c59aa9967b94bf12bf801b6e6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_a4d4f91c59aa9967b94bf12bf801b6e6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:276
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
73KB

MD5
46290b86d95e55460cc8e6ac8e9c54d2

SHA1
0c0c0723bfbada2961608247b1136a2dde4fab21

SHA256
0636b513bb0937258fb59d218d95e7d277088a4e6122655e7c3014bf70d57640

SHA512
6c5052f6adc8ce70f0660934155600e3eef1db70d1a2118d4e0858ed7ea79636d22bbb4c6c7aac2e50d6dc0b3e195c0d6c8cdaf134d1f33ed1ec04926b63736e

Download Submit
memory/276-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/276-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/276-2-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/276-3-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/276-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2076-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2076-19-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2076-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download