83501ac636445618393d331d2a07cec9d0b67cd93c8c05f702cb532ac054ef64

General

Target

Price.Pdf_____________________________________________________________.exe
Size

193KB
MD5

30e0b36b2d521349158517b34d4acd78
SHA1

cd42b3395aa69071e9b60bd6760c356ec91478ee
SHA256

5578d702c7fd246e11f71c4edb27b316ca267c6161effab324c9f6e6260bc9e5
SHA512

ead402fd51d9438d94019d5311e6a82b550e436a30df107a5d78b3a83ef89730a9250c8f5b1f5ba1e77373d94cc8d432ffa3f5d9e3ebb2c813dcb8e1be552722
SSDEEP

3072:9DsjAbUHwEHnhP3UL9QPbOSp6KgT2vGagCJK51YinXp:9DmAAHtx3UL9+bOVKqCJK5mi5

Score

9^/10

evasion persistence ransomware trojan

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\omosuggv = "C:\\Windows\\dzyrfdiv.exe"	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Price.Pdf_____________________________________________________________.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 2748	2400	Price.Pdf_____________________________________________________________.exe	28

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\dzyrfdiv.exe	explorer.exe
File created	C:\Windows\dzyrfdiv.exe	explorer.exe

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2836	vssadmin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2804	vssvc.exe
Token: SeRestorePrivilege	2804	vssvc.exe
Token: SeAuditPrivilege	2804	vssvc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2748	2400	Price.Pdf_____________________________________________________________.exe	28
PID 2400 wrote to memory of 2748	2400	Price.Pdf_____________________________________________________________.exe	28
PID 2400 wrote to memory of 2748	2400	Price.Pdf_____________________________________________________________.exe	28
PID 2400 wrote to memory of 2748	2400	Price.Pdf_____________________________________________________________.exe	28
PID 2400 wrote to memory of 2748	2400	Price.Pdf_____________________________________________________________.exe	28
PID 2748 wrote to memory of 2836	2748	explorer.exe	29
PID 2748 wrote to memory of 2836	2748	explorer.exe	29
PID 2748 wrote to memory of 2836	2748	explorer.exe	29
PID 2748 wrote to memory of 2836	2748	explorer.exe	29

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\Price.Pdf_____________________________________________________________.exe
"C:\Users\Admin\AppData\Local\Temp\Price.Pdf_____________________________________________________________.exe"
1⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\system32\explorer.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\vssadmin.exe
    vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:2836

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

2

T1070

File Deletion

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\ProgramData\ycivoroqytavyzoh\01000000

Filesize
193KB

MD5
7f73b67e79642a910acd269555131602

SHA1
98a34cee5db6767e84641370a75ed40aa39c4f71

SHA256
4c6be25d1851b0735e296924a526cca2ac7577a3a010e50178a8ba6565d11320

SHA512
c682406bda926fbb77db90c5d8288eb8a2442d174d8e2ebaa9df3c88e91d73ff031ece20394b94e39d64d35085587a0f1a7a87179e5dd70a4bb01eb489cfd9da

Download Submit
memory/2748-1-0x0000000000080000-0x00000000000BB000-memory.dmp

Filesize
236KB

Download
memory/2748-3-0x0000000000080000-0x00000000000BB000-memory.dmp

Filesize
236KB

Download
memory/2748-5-0x0000000000080000-0x00000000000BB000-memory.dmp

Filesize
236KB

Download
memory/2748-10-0x0000000000080000-0x00000000000BB000-memory.dmp

Filesize
236KB

Download
memory/2748-12-0x0000000000080000-0x00000000000BB000-memory.dmp

Filesize
236KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads