187654608625a5bb436eb8d4c302aedeaefcf87bfda6868a90dfd9026f6d05ae

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
08/09/2024, 02:37

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General

Target

2024-09-08_553a008f2fcea3e7ba4d218b1ce5175f_cryptolocker.exe
Size

85KB
MD5

553a008f2fcea3e7ba4d218b1ce5175f
SHA1

ab25bc0144917f005c4cd54990acca7728f162b8
SHA256

187654608625a5bb436eb8d4c302aedeaefcf87bfda6868a90dfd9026f6d05ae
SHA512

52a852a7f207800ad533897de3bb40780fbe20380e7d336715768b977a499ba335b8f4f18e4bcb7f468d0cc66db4a5f695e82ab843abc9ac7a6355844a66baf2
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1M:zCsanOtEvwDpji

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2092	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3004	2024-09-08_553a008f2fcea3e7ba4d218b1ce5175f_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3004-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000d0000000122e4-11.dat	upx
behavioral1/memory/2092-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/3004-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2092-27-0x0000000000500000-0x0000000000510000-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	2024-09-08_553a008f2fcea3e7ba4d218b1ce5175f_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 3004 wrote to memory of 2092	3004	2024-09-08_553a008f2fcea3e7ba4d218b1ce5175f_cryptolocker.exe	30
PID 3004 wrote to memory of 2092	3004	2024-09-08_553a008f2fcea3e7ba4d218b1ce5175f_cryptolocker.exe	30
PID 3004 wrote to memory of 2092	3004	2024-09-08_553a008f2fcea3e7ba4d218b1ce5175f_cryptolocker.exe	30
PID 3004 wrote to memory of 2092	3004	2024-09-08_553a008f2fcea3e7ba4d218b1ce5175f_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-08_553a008f2fcea3e7ba4d218b1ce5175f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_553a008f2fcea3e7ba4d218b1ce5175f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- 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:2092

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

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Downloads

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

Filesize
85KB

MD5
cf30382f5bb414ff0c1822ecc9427f77

SHA1
902e6cb0eaa51819a7ad3ba2ab35c0b42d9f48a2

SHA256
c3d2e24235057a6ced2413db80fef56a0283bbfcc90a4191e455363af4ef2661

SHA512
3c295f0057f3010a4689cfad67055034c03a934ba45b006834e655508690f9c695a5b613805d9b0f91a944c59ddaa6e4ccb48db25b83c747cfe8322f509f34da

Download Submit
memory/2092-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2092-20-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2092-19-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2092-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3004-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3004-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/3004-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3004-9-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/3004-13-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/3004-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download