c41899315b2f3dad512ed1f58746e59fdb2f9717badcf7b2c861c1248d945991

Analysis

max time kernel
298s
max time network
303s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:21

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General

Target

d6c32b0146f219bdcb5cf524ea9e0047d9b9bd0fd7c395d5b11cbc4c3298824d.zip
Size

284KB
MD5

3751a4a1f68718405518d107a8bcc563
SHA1

c58fe7477c0a639e64bcf1a49df79dee58961a34
SHA256

d6c32b0146f219bdcb5cf524ea9e0047d9b9bd0fd7c395d5b11cbc4c3298824d
SHA512

8fa33e5682069baf48c0e85375a4151356e5917d63fbe62642c1dc9f33ce77881a359c2300e2d221bce297fbe7349a66b55cc47ff8502125b2a44c23d59e8dfd
SSDEEP

6144:ZcQu7L20QOPNMNYKEdf7Q0chT7WbK1xb5a:S20Q1YKMfE06ja

Score

9^/10

collection defense_evasion discovery evasion execution impact persistence ransomware trojan

Malware Config

Signatures

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Executes dropped EXE 2 IoCs

pid	Process
660	Transazione.Pdf______________________________________________________________.exe
2704	Transazione.Pdf______________________________________________________________.exe

Loads dropped DLL 1 IoCs

pid	Process
660	Transazione.Pdf______________________________________________________________.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	explorer.exe

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	explorer.exe

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\odylezir = "C:\\Windows\\icujakwf.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	Transazione.Pdf______________________________________________________________.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 660 set thread context of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 2704 set thread context of 2300	2704	Transazione.Pdf______________________________________________________________.exe	33

Drops file in Windows directory 2 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 4 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	Transazione.Pdf______________________________________________________________.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Transazione.Pdf______________________________________________________________.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vssadmin.exe

Interacts with shadow copies 3 TTPs 1 IoCs

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

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2900	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2092	7zFM.exe
2092	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2092	7zFM.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeRestorePrivilege	2092	7zFM.exe
Token: 35	2092	7zFM.exe
Token: SeSecurityPrivilege	2092	7zFM.exe
Token: SeBackupPrivilege	1980	vssvc.exe
Token: SeRestorePrivilege	1980	vssvc.exe
Token: SeAuditPrivilege	1980	vssvc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2092	7zFM.exe
2092	7zFM.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 660	2092	7zFM.exe	31
PID 2092 wrote to memory of 660	2092	7zFM.exe	31
PID 2092 wrote to memory of 660	2092	7zFM.exe	31
PID 2092 wrote to memory of 660	2092	7zFM.exe	31
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 660 wrote to memory of 2704	660	Transazione.Pdf______________________________________________________________.exe	32
PID 2704 wrote to memory of 2300	2704	Transazione.Pdf______________________________________________________________.exe	33
PID 2704 wrote to memory of 2300	2704	Transazione.Pdf______________________________________________________________.exe	33
PID 2704 wrote to memory of 2300	2704	Transazione.Pdf______________________________________________________________.exe	33
PID 2704 wrote to memory of 2300	2704	Transazione.Pdf______________________________________________________________.exe	33
PID 2704 wrote to memory of 2300	2704	Transazione.Pdf______________________________________________________________.exe	33
PID 2300 wrote to memory of 2900	2300	explorer.exe	34
PID 2300 wrote to memory of 2900	2300	explorer.exe	34
PID 2300 wrote to memory of 2900	2300	explorer.exe	34
PID 2300 wrote to memory of 2900	2300	explorer.exe	34

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

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	explorer.exe

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\d6c32b0146f219bdcb5cf524ea9e0047d9b9bd0fd7c395d5b11cbc4c3298824d.zip"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\7zOC2892327\Transazione.Pdf______________________________________________________________.exe
  "C:\Users\Admin\AppData\Local\Temp\7zOC2892327\Transazione.Pdf______________________________________________________________.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:660
- - C:\Users\Admin\AppData\Local\Temp\7zOC2892327\Transazione.Pdf______________________________________________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\7zOC2892327\Transazione.Pdf______________________________________________________________.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\system32\explorer.exe"
      4⤵
      Accesses Microsoft Outlook accounts
      Accesses Microsoft Outlook profiles
      Adds Run key to start application
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      outlook_win_path
      PID:2300
    - - C:\Windows\SysWOW64\vssadmin.exe
        
        vssadmin.exe Delete Shadows /All /Quiet
        5⤵
        System Location Discovery: System Language Discovery
        Interacts with shadow copies
        
        PID:2900

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\ProgramData\yvycuvufavytimur\01000000

Filesize
446KB

MD5
9db79db6cb4edab84bd158bf26e50e12

SHA1
6661cc46a228ef880446ce4e19c07cc465d8091c

SHA256
30b806f6572a13fb68c4a6112b2f16f90931fabdb4d7441b091ea4867e410061

SHA512
5dd5c3a35fd1a50fd308f8cea6dc8a5278000bdefe75b1fc1ae39af07d75a3abb61a816cfc640a40fb42b40993f2aa1b1286bdce8768152f4a68820a6b657457

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zOC2892327\Transazione.Pdf______________________________________________________________.exe

Filesize
446KB

MD5
93cbe4ed3d46abe732a124a41e7147a2

SHA1
94a24be60d90479ce27f7787a86678472aabdc6e

SHA256
89e71eb0a6403725d2f95cb9e6506b8b139a6948a61dc1c5cfedf18648241ec4

SHA512
8f46af90d8a2d78da003a8a395fd7f74cc235595238ee3a3e4d87fee2aa4c8abf6ece403bb3726122d3825437f5d079ea1f8d6b275153bb76b3b0d75c243ef09

Download Submit
memory/2300-31-0x0000000000080000-0x00000000000BD000-memory.dmp

Filesize
244KB

Download
memory/2300-43-0x0000000000080000-0x00000000000BD000-memory.dmp

Filesize
244KB

Download
memory/2300-42-0x0000000000080000-0x00000000000BD000-memory.dmp

Filesize
244KB

Download
memory/2300-39-0x0000000000080000-0x00000000000BD000-memory.dmp

Filesize
244KB

Download
memory/2300-30-0x0000000000080000-0x00000000000BD000-memory.dmp

Filesize
244KB

Download
memory/2704-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2704-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2704-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2704-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2704-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2704-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2704-34-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2704-28-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2704-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download