64fca98c3783c6fdd7e47b8d82a302d294ac935cf2b5f6463651e1f2c2e788c8

Analysis

max time kernel
96s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/11/2024, 18:51

Sharing

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General

Target
2024-11-09_ff956b27a13a206f722f4eb899f988ad_cryptolocker.exe
Size 28KB
Sample241109-xhksbazelb
SHA256 64fca98c3783c6fdd7e47b8d82a302d294ac935cf2b5f6463651e1f2c2e788c8
MD5 ff956b27a13a206f722f4eb899f988ad
SHA1 b556472b4b165233d3155183029fc97e8b6cd4b9
SHA512 9a85cf51c1bad25dd1e493f4bfdc2414464a9df4f6012588d6c7c4a2036376a8597d5ceae4b2ad6741b398abba93713eeecd76f32222e82d75c83b2001a72ff7
SSDEEP 384:bFgFQrdSmuQ8WFqxpj5cpyIuYxVe3FSr+OLfjDp+0g/HNblX7QCOBqYp:bFgm5zusFUB2preAr+Ofjg0STX73OBqK
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-11-09_ff956b27a13a206f722f4eb899f988ad_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	lossy.exe

Executes dropped EXE 1 IoCs

pid	Process
4044	lossy.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5032-0-0x0000000008000000-0x000000000800E000-memory.dmp	upx
behavioral2/files/0x000c000000023b82-13.dat	upx
behavioral2/memory/5032-17-0x0000000008000000-0x000000000800E000-memory.dmp	upx
behavioral2/memory/4044-52-0x0000000008000000-0x000000000800E000-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	lossy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-09_ff956b27a13a206f722f4eb899f988ad_cryptolocker.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\40CEF3046C916ED7AE557F60E76842828B51DE53	lossy.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\40CEF3046C916ED7AE557F60E76842828B51DE53\Blob = 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	lossy.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\D89E3BD43D5D909B47A18977AA9D5CE36CEE184C	lossy.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\D89E3BD43D5D909B47A18977AA9D5CE36CEE184C\Blob = 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	lossy.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 4044	5032	2024-11-09_ff956b27a13a206f722f4eb899f988ad_cryptolocker.exe	85
PID 5032 wrote to memory of 4044	5032	2024-11-09_ff956b27a13a206f722f4eb899f988ad_cryptolocker.exe	85
PID 5032 wrote to memory of 4044	5032	2024-11-09_ff956b27a13a206f722f4eb899f988ad_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-11-09_ff956b27a13a206f722f4eb899f988ad_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_ff956b27a13a206f722f4eb899f988ad_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:4044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Query Registry

T1012

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

lossy.exe

Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
Size 28KB
SHA256 bdb7341e122da4bd33014ccfe079c2c7b797cb9078fe396904c521a1c4b5084c
MD5 6408fa49009f6aee9ede03e7176c13fb
SHA1 4a2de70b160b757d9127ca7cf10a42999ab759d2
SHA512 29c2e952c4fca97f149f57ca8fc5d48f8d8f636c8ebf572e01ab601ca4c3f5769e073dac50d39e30675ef8f0266ad6f4b555ba6ad42e740508cd2ae78d245909
SSDEEP 384:bFgFQrdSmuQ8WFqxpj5cpyIuYxVe3FSr+OLfjDp+0g/HNblX7QCOBqYq:bFgm5zusFUB2preAr+Ofjg0STX73OBq5
MD5 SHA1 SHA512 SSDEEP

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swenled.exe

Path C:\Users\Admin\AppData\Local\Temp\swenled.exe
Size 537B
SHA256 c5ffd9dbef8cebbf04436e0680847b95be3f8140e3b3d1e99fe7e743799dfd97
MD5 590a2a16db7c9454e5429278e1e95347
SHA1 11dd68b8c510df635ff033c58fa002fdcd196927
SHA512 7e55708920fe2541ab1236c7616d67fd85795e80bc5f399d9b101372c347534940f2f81d942bb094c2d188b23a3501439443afbc0ca142758708c909c009cfa3
MD5 SHA1 SHA512

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memory/4044-20-0x0000000000640000-0x0000000000646000-memory.dmp

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memory/4044-19-0x0000000000590000-0x0000000000596000-memory.dmp

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memory/4044-52-0x0000000008000000-0x000000000800E000-memory.dmp

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memory/5032-0-0x0000000008000000-0x000000000800E000-memory.dmp

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memory/5032-1-0x0000000002140000-0x0000000002146000-memory.dmp

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memory/5032-2-0x0000000002140000-0x0000000002146000-memory.dmp

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memory/5032-3-0x0000000002030000-0x0000000002036000-memory.dmp

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memory/5032-17-0x0000000008000000-0x000000000800E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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