cd64b9501e4cd8b96223aecc9900393099c5c06c2a0ae959b5483ebef5c779e1

General

Target

Saldo.Pdf______________________________________________________________.exe
Size

446KB
MD5

2cca32c4cf7dc6d10a2462fa9b74ae40
SHA1

74f0125e8e0526b0e465d16668884006a4ee774a
SHA256

cda22aa74b025e459bd6404d702331e55bffba5929d7b2bd9f1285330d37ff2a
SHA512

9b07fff4eb1a6b7dcbb86815bd2aa098748c631b36baf4ab437b9f3b643e8bfb8b2b87884dc548da719739022f57413fcbdb1f2b1409abc3bf0c5827b186af1f
SSDEEP

6144:veoxeLzWoeEqagVXy5LhT57AZT//s7m6Cu8haJ1y6ded:3xeHWohxht7y3sqxTg1yNd

Score

9^/10

collection evasion persistence ransomware trojan

Malware Config

Signatures

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

File Deletion
T1107

Inhibit System Recovery
T1490

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	explorer.exe

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ynosogup = "C:\\Windows\\ucihetur.exe"	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Saldo.Pdf______________________________________________________________.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Saldo.Pdf______________________________________________________________.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Saldo.Pdf______________________________________________________________.exeSaldo.Pdf______________________________________________________________.exe

description	pid	process	target process
PID 2020 set thread context of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 832 set thread context of 364	832	Saldo.Pdf______________________________________________________________.exe	explorer.exe

Drops file in Windows directory 2 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\Windows\ucihetur.exe explorer.exe
File created C:\Windows\ucihetur.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
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

568 vssadmin.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1488 vssvc.exe
Token: SeRestorePrivilege 1488 vssvc.exe
Token: SeAuditPrivilege 1488 vssvc.exe

description	ioc	process
File opened for modification	C:\Windows\ucihetur.exe	explorer.exe
File created	C:\Windows\ucihetur.exe	explorer.exe

pid	process
568	vssadmin.exe

description	pid	process
Token: SeBackupPrivilege	1488	vssvc.exe
Token: SeRestorePrivilege	1488	vssvc.exe
Token: SeAuditPrivilege	1488	vssvc.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Saldo.Pdf______________________________________________________________.exeSaldo.Pdf______________________________________________________________.exeexplorer.exe

description	pid	process	target process
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 2020 wrote to memory of 832	2020	Saldo.Pdf______________________________________________________________.exe	Saldo.Pdf______________________________________________________________.exe
PID 832 wrote to memory of 364	832	Saldo.Pdf______________________________________________________________.exe	explorer.exe
PID 832 wrote to memory of 364	832	Saldo.Pdf______________________________________________________________.exe	explorer.exe
PID 832 wrote to memory of 364	832	Saldo.Pdf______________________________________________________________.exe	explorer.exe
PID 832 wrote to memory of 364	832	Saldo.Pdf______________________________________________________________.exe	explorer.exe
PID 832 wrote to memory of 364	832	Saldo.Pdf______________________________________________________________.exe	explorer.exe
PID 364 wrote to memory of 568	364	explorer.exe	vssadmin.exe
PID 364 wrote to memory of 568	364	explorer.exe	vssadmin.exe
PID 364 wrote to memory of 568	364	explorer.exe	vssadmin.exe
PID 364 wrote to memory of 568	364	explorer.exe	vssadmin.exe

outlook_win_path 1 IoCs

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	explorer.exe

C:\Users\Admin\AppData\Local\Temp\Saldo.Pdf______________________________________________________________.exe
"C:\Users\Admin\AppData\Local\Temp\Saldo.Pdf______________________________________________________________.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020

C:\Users\Admin\AppData\Local\Temp\Saldo.Pdf______________________________________________________________.exe
"C:\Users\Admin\AppData\Local\Temp\Saldo.Pdf______________________________________________________________.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\system32\explorer.exe"
3⤵
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
- outlook_win_path
PID:364

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:568

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1488

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

2

T1114

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\ProgramData\yvycuvufavytimur\01000000
Filesize
446KB

MD5
54a4156ced843a412ea9039fe3ed2e5e

SHA1
e425037957404dae0a2762d7c4b6686f34210c2c

SHA256
ea26e2b2c7291fbda475a110a4adca4d30b8c65b3a3808a96a6053e06bff2ca3

SHA512
f9140ee4a0ac6da8e9253abac20e506c080af4a94f0c5ae0b85d6643b4d228a1ea2bc0d56928957e3503a1b8bf483178097c150d86572455e1341f96fe955419

Download Submit
memory/364-70-0x0000000000310000-0x000000000034D000-memory.dmp

Filesize
244KB

Download
memory/364-83-0x00000000726A1000-0x00000000726A3000-memory.dmp

Filesize
8KB

Download
memory/364-81-0x0000000000310000-0x000000000034D000-memory.dmp

Filesize
244KB

Download
memory/364-77-0x0000000000310000-0x000000000034D000-memory.dmp

Filesize
244KB

Download
memory/364-76-0x0000000074BE1000-0x0000000074BE3000-memory.dmp

Filesize
8KB

Download
memory/364-74-0x000000000032BB10-mapping.dmp

Download
memory/364-72-0x0000000000310000-0x000000000034D000-memory.dmp

Filesize
244KB

Download
memory/568-82-0x0000000000000000-mapping.dmp

Download
memory/832-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-65-0x000000000040B4D3-mapping.dmp

Download
memory/832-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-78-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-80-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-55-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/832-58-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2020-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads