e55b1e9e64064013e4013a1db0187d142d0ee66b8cbbd0e907f2a39ac083fec6

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 07:58

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General

Target

2024-10-12_8ae634c85643cca696b8f8f28e8dd795_cryptolocker.exe
Size

54KB
MD5

8ae634c85643cca696b8f8f28e8dd795
SHA1

84a753bfa18d1ca16710fed6b9908827ac55c6f9
SHA256

e55b1e9e64064013e4013a1db0187d142d0ee66b8cbbd0e907f2a39ac083fec6
SHA512

d8513451daf2a8be904e82387ab450b8bfd1bf76b3e25dd848d35f3ce584ea8a22040b8119aa51843ff83c08c824f64d5948d807ece1864d287e16d087e5a42f
SSDEEP

768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpiPa:zj+soPSMOtEvwDpj4y+Pa

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2732	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	2024-10-12_8ae634c85643cca696b8f8f28e8dd795_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2188-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000b00000001225e-11.dat	upx
behavioral1/memory/2188-14-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2732-24-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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	misid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_8ae634c85643cca696b8f8f28e8dd795_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2732	2188	2024-10-12_8ae634c85643cca696b8f8f28e8dd795_cryptolocker.exe	30
PID 2188 wrote to memory of 2732	2188	2024-10-12_8ae634c85643cca696b8f8f28e8dd795_cryptolocker.exe	30
PID 2188 wrote to memory of 2732	2188	2024-10-12_8ae634c85643cca696b8f8f28e8dd795_cryptolocker.exe	30
PID 2188 wrote to memory of 2732	2188	2024-10-12_8ae634c85643cca696b8f8f28e8dd795_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-12_8ae634c85643cca696b8f8f28e8dd795_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_8ae634c85643cca696b8f8f28e8dd795_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- 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:2732

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

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

Filesize
54KB

MD5
9c0ab15338687047620457fb7380a1c4

SHA1
d46449442cf130d417be0b2301abc6ccc7ee739d

SHA256
230670646cb914dc233702c8eb85a760b1c2dc4637f020b89f8b38eb15c00429

SHA512
23fe935a4e975ea67a96e60849d280334a96e5599d731955a8e99ce9032ac0d70ace5d48e40bb9d0733768641320e411aa8eca93e4bab3d5920bcf0f5e5b1a53

Download Submit
memory/2188-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2188-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2188-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/2188-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2188-14-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2732-17-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2732-24-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download