d50a33604103f5235f27594a2c0c47b826ab174a3e2f135b7e96ac8c3445ceb4

General

Target

Invoice.Pdf_____________________________________________________________.exe
Size

465KB
MD5

79ad66c118590b6e114104dea40b1f4c
SHA1

e984c551b479b25401269712cc33379e5ca4592a
SHA256

83b99d932fc1fcfb0dc382d405c4a646832c33885208fcbe69e9b5436a74502b
SHA512

77817354d178d9fe629772b8e412c310b5989678910c350d450da6b0a2df43fcd6974bb70e478dcefc3a48ae4e9adc1c8ba9394b47e7a5291d3d10218865e7a5
SSDEEP

6144:9AKLo20Yi4qqavLTmK9uG6SL2LQoYKynkH8ninottN37F7PYrP+y9h:9Ls20YivTmQuKyQoYLnkH8nH9PYrPF

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-1-5-21-3406023954-474543476-3319432036-1000\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-1-5-21-3406023954-474543476-3319432036-1000\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\uvubohoc = "C:\\Windows\\agyriwaz.exe"	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Invoice.Pdf_____________________________________________________________.exe

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

Invoice.Pdf_____________________________________________________________.exeInvoice.Pdf_____________________________________________________________.exe

description	pid	process	target process
PID 1776 set thread context of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1968 set thread context of 580	1968	Invoice.Pdf_____________________________________________________________.exe	explorer.exe

Drops file in Windows directory 2 IoCs

Processes:

explorer.exe

description ioc process

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

1992 vssadmin.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1092 vssvc.exe
Token: SeRestorePrivilege 1092 vssvc.exe
Token: SeAuditPrivilege 1092 vssvc.exe

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

pid	process
1992	vssadmin.exe

description	pid	process
Token: SeBackupPrivilege	1092	vssvc.exe
Token: SeRestorePrivilege	1092	vssvc.exe
Token: SeAuditPrivilege	1092	vssvc.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Invoice.Pdf_____________________________________________________________.exeInvoice.Pdf_____________________________________________________________.exeexplorer.exe

description	pid	process	target process
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1776 wrote to memory of 1968	1776	Invoice.Pdf_____________________________________________________________.exe	Invoice.Pdf_____________________________________________________________.exe
PID 1968 wrote to memory of 580	1968	Invoice.Pdf_____________________________________________________________.exe	explorer.exe
PID 1968 wrote to memory of 580	1968	Invoice.Pdf_____________________________________________________________.exe	explorer.exe
PID 1968 wrote to memory of 580	1968	Invoice.Pdf_____________________________________________________________.exe	explorer.exe
PID 1968 wrote to memory of 580	1968	Invoice.Pdf_____________________________________________________________.exe	explorer.exe
PID 1968 wrote to memory of 580	1968	Invoice.Pdf_____________________________________________________________.exe	explorer.exe
PID 580 wrote to memory of 1992	580	explorer.exe	vssadmin.exe
PID 580 wrote to memory of 1992	580	explorer.exe	vssadmin.exe
PID 580 wrote to memory of 1992	580	explorer.exe	vssadmin.exe
PID 580 wrote to memory of 1992	580	explorer.exe	vssadmin.exe

outlook_win_path 1 IoCs

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	explorer.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.Pdf_____________________________________________________________.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.Pdf_____________________________________________________________.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1776

C:\Users\Admin\AppData\Local\Temp\Invoice.Pdf_____________________________________________________________.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.Pdf_____________________________________________________________.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1968

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:580

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1992

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1092

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\oziqemegewypyvuh\01000000
Filesize
465KB

MD5
2885a93a804bafdfee50728b3b01d9d1

SHA1
45053b299dc3204413764a95a55d0660413a63c3

SHA256
d3ba5a8a12488102f13d97debed83578f8480c241d982eeab111133dbb7a1e03

SHA512
18a7e040799b7ec2aabd43fc3ca3be065b853a6530ee8bd915db420bb6ca0ad02dfc203bcd625456764235d0dd7b7bcc43a2dae049fa26f8af4be75cdbf3c857

Download Submit
memory/580-69-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/580-80-0x0000000072181000-0x0000000072183000-memory.dmp

Filesize
8KB

Download
memory/580-78-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/580-75-0x00000000745D1000-0x00000000745D3000-memory.dmp

Filesize
8KB

Download
memory/580-73-0x000000000009BE80-mapping.dmp

Download
memory/580-71-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/1776-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1968-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1968-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1968-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1968-65-0x000000000040B4D3-mapping.dmp

Download
memory/1968-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1968-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1968-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1968-77-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1968-58-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1968-55-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1992-79-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads