6c92f887586286250f95954fcb0b2a6e424c435932ae1ca6407acadabfdf858c

General

Target
jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe
Size 4.9MB
Sample260910-dlmljavflh
SHA256 6c92f887586286250f95954fcb0b2a6e424c435932ae1ca6407acadabfdf858c
MD5 dcb53a88093d5d50bd140693a34431fe
SHA1 3fb241f1173566b8cc54f58a5e9b69d0e119594b
SHA512 4f60f0772ef956d179cbcdb4c304342af33ffea7db841d64dee44c14b55d919b57f25a880d12aa28cd3a6c0e5707c792365bea0a10a31bcd9b3fe84e6322f916
SSDEEP 12288:FUGSslu9IN5dLZmMHUJFugcCaBAwSkqOKRYHtAsaloP:FUGSslBD/mgU3uCKApkqFZTq
TLSH
T18A36238DD1D18B00E2E1513ADEF6AFF92855DE38E6597C0F12CA7F9526723D2C624207
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

defense_evasion discovery

Malware Config

Signatures

Looks for VMWare drivers on disk 2 TTPs 2 IoCs

defense_evasion

File and Directory Discovery

T1083

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
File opened (read-only)	C:\Windows\SysWOW64\drivers\vmmouse.sys	jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe
File opened (read-only)	C:\Windows\SysWOW64\drivers\vmmouse.sys	tmp112.exe

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-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation	jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe

Executes dropped EXE 3 IoCs

pid	Process
948	tmp112.exe
4684	tmp112.exe
3912	tmp112.exe

Loads dropped DLL 2 IoCs

pid	Process
948	tmp112.exe
948	tmp112.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\KasperskyLab\	jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\KasperskyLab\	tmp112.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 948 set thread context of 3912	948	tmp112.exe	87

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3544	3912	WerFault.exe	87

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	jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp112.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 4876	2088	jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe	84
PID 2088 wrote to memory of 948	2088	jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe	85
PID 948 wrote to memory of 4684	948	tmp112.exe	86
PID 948 wrote to memory of 3912	948	tmp112.exe	87
PID 948 wrote to memory of 3912	948	tmp112.exe	87
PID 948 wrote to memory of 3912	948	tmp112.exe	87
PID 948 wrote to memory of 3912	948	tmp112.exe	87
PID 948 wrote to memory of 3912	948	tmp112.exe	87

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe"
1⤵
- Looks for VMWare drivers on disk
- Checks computer location settings
- Checks for any installed AV software in registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Jetico_BestCrypt_Volume_Encryption_2.00.7.rar.exe"
  2⤵
  PID:4876
- C:\Users\Admin\AppData\Local\Temp\tmp112.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp112.exe"
  2⤵
  - Looks for VMWare drivers on disk
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks for any installed AV software in registry
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:948
- - C:\Users\Admin\AppData\Local\Temp\tmp112.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp112.exe"
    3⤵
    - Executes dropped EXE
    PID:4684
- - C:\Users\Admin\AppData\Local\Temp\tmp112.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp112.exe"
    3⤵
    - Executes dropped EXE
    PID:3912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 344
      4⤵
      Program crash
      PID:3544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3912 -ip 3912
1⤵
PID:1640

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

File and Directory Discovery

Query Registry

Software Discovery

T1518

Security Software Discovery

1

T1518.001

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp112.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp112.exe
Size 4.9MB
SHA256 6c92f887586286250f95954fcb0b2a6e424c435932ae1ca6407acadabfdf858c
MD5 dcb53a88093d5d50bd140693a34431fe
SHA1 3fb241f1173566b8cc54f58a5e9b69d0e119594b
SHA512 4f60f0772ef956d179cbcdb4c304342af33ffea7db841d64dee44c14b55d919b57f25a880d12aa28cd3a6c0e5707c792365bea0a10a31bcd9b3fe84e6322f916
SSDEEP 12288:FUGSslu9IN5dLZmMHUJFugcCaBAwSkqOKRYHtAsaloP:FUGSslBD/mgU3uCKApkqFZTq
TLSH
T18A36238DD1D18B00E2E1513ADEF6AFF92855DE38E6597C0F12CA7F9526723D2C624207
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

~tmp1153.tmp

Path C:\Users\Admin\AppData\Local\Temp\~tmp1153.tmp
Size 4KB
SHA256 125dc973d7d0ff186bc4ae4c8af3357207be5841f12948be3639c86bc54d5f91
MD5 7c2138c842af6cbbf2863e620a7d521b
SHA1 f9a499449a2f2244206908363bcc48dbdd373b89
SHA512 52c3c3a92140841de8fcf8cca9b8d319cfbc5e0fd1eaa847a392792160875447e6d2bc01c50fc445a8d2f596abafb29df410f0ac8b7274d9fbdab53aa2c069f8
SSDEEP 48:iOiqcEZuqufBH6TF11TOHSpjTjuuoyawJEbv5E2RIYYAxT1J/20:biqAOFDjGwxFAxT1J/20
TLSH
T1969100395A8740A3E1D1053B92E319E92AFC897333D350FFDB92444119A02EF95BDA72
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/948-20-0x0000000010000000-0x0000000010005000-memory.dmp

Download

memory/3912-25-0x0000000000400000-0x000000000046D000-memory.dmp

Download

memory/3912-26-0x0000000000400000-0x000000000046D000-memory.dmp

Download

memory/3912-23-0x0000000000400000-0x000000000046D000-memory.dmp

Download

memory/3912-21-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/3912-27-0x0000000000400000-0x000000000046D000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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