0b9476f056dbb5b1da9b4e8a456609a5acb6433dd21ab751b5cab25f46de3a01

Analysis

max time kernel
2s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 06:49

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General

Target

2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe
Size

90KB
MD5

e412004ecb70f013bd947330a5f69e33
SHA1

26a85ad9e600a39fbd4c043f976aa227f6f6b5f2
SHA256

0b9476f056dbb5b1da9b4e8a456609a5acb6433dd21ab751b5cab25f46de3a01
SHA512

c24f3479e2212069e3d42d191a8eb0a1dc2097ba548920d5f8120c8e57379c0e853ce1a7a47425d7e1ad420267b3fd2f56f0ce47a8da9cec9ff9905a38c72ff1
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/a:zCsanOtEvwDpjBa

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1356	misid.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3656-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x00050000000006e9-13.dat	upx
behavioral2/files/0x00050000000006e9-16.dat	upx
behavioral2/files/0x00050000000006e9-15.dat	upx
behavioral2/memory/3656-25-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1356-48-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 1356	3656	2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe	32
PID 3656 wrote to memory of 1356	3656	2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe	32
PID 3656 wrote to memory of 1356	3656	2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
24KB

MD5
4051390d9da4ea194d2013eb524e660d

SHA1
26ee174d8c5ecdbacc15d1f2ae3e22e0510c51dc

SHA256
746949a1d68901192b8aabb608158d29ad8b25031895d1b3784e8ac7ff354901

SHA512
55eda10add53f8fbae97b24fa3a70a332045fcbf8cd721cfa275f749264a69f9738357457888b72466d07e455966ccc865c31ba86a3d3dde9541389f4bb6746e

Download Submit
C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
5KB

MD5
0a4f3755b42f022e0ffa9f5e355e06de

SHA1
b0949fb769713277919b4010ab4bd63eab70595a

SHA256
b19e567ea9d24956e000f4caa02d2676ec3af3e4f4dc212e4dcb79123274ae1f

SHA512
e65af1fe10166be58f2b537f98a006b6a7dc44161b23b48cff02feaf3544bd26d1df79ba78d8eeffb9deacc917566cf816456890a9fdc7f93b26d101be9c0b34

Download Submit
C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
5KB

MD5
304942b3c2eec3d81ed012941b21a29b

SHA1
727361563234399c33a20803600124f6ee2a7b08

SHA256
134cb49868741ac840663299328056b5cfefe7b09237b3cf1ba10711638760b7

SHA512
ef4ccc961ff75ee748131f42d317eac80e142c808d9ea81eb170f3e5595dc45e8915e8cb2137b03c126df7cce4a023ddfa37ccd416ccb72bd6c65c0f356213bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\misids.exe

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/1356-18-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1356-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/1356-48-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3656-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3656-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3656-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3656-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3656-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download