b2ee13dfd158d8c7c4f4f5bbf87359d79499a22133f43d322f082bb83c46b9bc

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:14

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General

Target

2024-09-05_bdf5f9c6a0ad424e8b0a16e6672bd5ea_cryptolocker.exe
Size

71KB
MD5

bdf5f9c6a0ad424e8b0a16e6672bd5ea
SHA1

76902baeb876d74b1e567382a2f55c3edc07ffc4
SHA256

b2ee13dfd158d8c7c4f4f5bbf87359d79499a22133f43d322f082bb83c46b9bc
SHA512

ea77e89c8a367ec34822f406633d86adbe1bf261f9b24e6c42a389a7ddc193a5c8e372deb133448bd71d4ea6e44f74f21aa39e8f1514b3cd6e8dcd3f784c29b6
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/R9:vj+jsMQMOtEvwDpj5HZYTjipvF24F

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2824	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2668	2024-09-05_bdf5f9c6a0ad424e8b0a16e6672bd5ea_cryptolocker.exe

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	2024-09-05_bdf5f9c6a0ad424e8b0a16e6672bd5ea_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 2668 wrote to memory of 2824	2668	2024-09-05_bdf5f9c6a0ad424e8b0a16e6672bd5ea_cryptolocker.exe	31
PID 2668 wrote to memory of 2824	2668	2024-09-05_bdf5f9c6a0ad424e8b0a16e6672bd5ea_cryptolocker.exe	31
PID 2668 wrote to memory of 2824	2668	2024-09-05_bdf5f9c6a0ad424e8b0a16e6672bd5ea_cryptolocker.exe	31
PID 2668 wrote to memory of 2824	2668	2024-09-05_bdf5f9c6a0ad424e8b0a16e6672bd5ea_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-05_bdf5f9c6a0ad424e8b0a16e6672bd5ea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_bdf5f9c6a0ad424e8b0a16e6672bd5ea_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668
- 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:2824

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
72KB

MD5
996a8c68aedb18ebd32d141c91ba94ca

SHA1
a7ff8d9592bd2807d106fe2a8e43ccf8694b8d13

SHA256
1af7f002eda6e9c26526a7b8695c3b3ebbd6606b43a9827126004f6660723c0c

SHA512
5f81f3b81cc8677eb79361b193cc38253bdef785f64eeda76e27a7f7445778c215b4e1f7511741f209eb814511fbb16b66a6bcdc69e5d153eb6ca9aaec85eded

Download Submit
memory/2668-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2668-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2668-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2824-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download