b06ae749613b0991e4e0f811a82cfe285182d007b712fae952dfcf8cb03aa01c

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
09/10/2024, 00:02

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General

Target

2024-10-08_ce8d1a0629bb5b6bbb76f298306e2d1a_cryptolocker.exe
Size

87KB
MD5

ce8d1a0629bb5b6bbb76f298306e2d1a
SHA1

8e13f4c57283ad10fafa220613258e3b6eda7d81
SHA256

b06ae749613b0991e4e0f811a82cfe285182d007b712fae952dfcf8cb03aa01c
SHA512

dbd38486748b5d0c563298c04d792987a417527cfdd2a2069970580378b62fcfbb546ce302b8ac32faf94adb127a0933656d2e4810d4ea280edfadbe7ca0eef2
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjv:zCsanOtEvwDpju

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2576	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2068	2024-10-08_ce8d1a0629bb5b6bbb76f298306e2d1a_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2068-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0063000000011c27-11.dat	upx
behavioral1/memory/2576-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2068-14-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2576-26-0x0000000000500000-0x0000000000510000-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	2024-10-08_ce8d1a0629bb5b6bbb76f298306e2d1a_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 2068 wrote to memory of 2576	2068	2024-10-08_ce8d1a0629bb5b6bbb76f298306e2d1a_cryptolocker.exe	30
PID 2068 wrote to memory of 2576	2068	2024-10-08_ce8d1a0629bb5b6bbb76f298306e2d1a_cryptolocker.exe	30
PID 2068 wrote to memory of 2576	2068	2024-10-08_ce8d1a0629bb5b6bbb76f298306e2d1a_cryptolocker.exe	30
PID 2068 wrote to memory of 2576	2068	2024-10-08_ce8d1a0629bb5b6bbb76f298306e2d1a_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-08_ce8d1a0629bb5b6bbb76f298306e2d1a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-08_ce8d1a0629bb5b6bbb76f298306e2d1a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- 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:2576

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
87KB

MD5
54e2608305cc0b41d24e2251e9e2f8c2

SHA1
d9be8d68e1111a7778bdb4bc5623bf5405d85c58

SHA256
dba32a621f6ec5809fb04aa94400f4b79609611b43e18bcb20c2ca2702fe75cb

SHA512
1cb8906e00a3d993d8ba920a3f78125fd5490a8089ad2f98280a0fa89d22679a2e3701d1a1ddb24353abe4d5b57c3134ef28fa7c19c0a573d7a58be00578c8e5

Download Submit
memory/2068-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2068-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2068-9-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2068-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2068-14-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2576-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2576-19-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2576-18-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2576-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download