78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876

General

Target

78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Size

153KB
MD5

5252049a47cabe2c8dfd2c2e72f0fcdb
SHA1

d24a8c4073fd31b92ab16226e1e1b6f5030e27b8
SHA256

78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876
SHA512

be90136c134aa7d11a607506632c079120269a6359fba2ce2af07be2c2c802d3b42bfea660b8c369c184c1832a65ab5fcb3c6c5e8ccc3d6a4b9fca210efae5a3
SSDEEP

3072:aOLwcnNj/z/xWikNES6et+lkWz1Rs3PYlNduFk2LOfauwN3V:aOLwcnNrzm0eWQ3YnuFkq6aDV

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1552-55-0x0000000001000000-0x000000000104F000-memory.dmp	upx
behavioral1/memory/1552-57-0x0000000001000000-0x000000000104F000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\SysWOW64\alg.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File opened for modification	\??\c:\windows\SysWOW64\svchost.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File created	\??\c:\windows\SysWOW64\svchost.vir	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File opened for modification	\??\c:\windows\SysWOW64\dllhost.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File created	\??\c:\windows\SysWOW64\dllhost.vir	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File opened for modification	\??\c:\windows\SysWOW64\lsass.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\microsoft.net\framework64\v4.0.30319\mscorsvw.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File opened for modification	\??\c:\windows\ehome\ehrecvr.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File created	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{5D0224D0-7E48-46A4-A68E-76F39EBC51DB}.crmlog	dllhost.exe
File opened for modification	\??\c:\windows\ehome\ehsched.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File opened for modification	\??\c:\windows\microsoft.net\framework64\v4.0.30319\aspnet_state.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File opened for modification	\??\c:\windows\microsoft.net\framework\v2.0.50727\mscorsvw.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File opened for modification	\??\c:\windows\microsoft.net\framework64\v2.0.50727\mscorsvw.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File opened for modification	\??\c:\windows\microsoft.net\framework\v4.0.30319\mscorsvw.exe	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
File opened for modification	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{5D0224D0-7E48-46A4-A68E-76F39EBC51DB}.crmlog	dllhost.exe

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

System Information Discovery
T1082

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\DefaultIcon	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/x-vcard\Extension = ".vcf"	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\shell\open\command	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vcf	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vcf\ = "vcard_wab_auto_file"	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vcf\Content Type = "text/x-vcard"	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\ = "vCard File"	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\shell\open\command\ = "\"C:\\Program Files (x86)\\Windows Mail\\wab.exe\" /vcard %1"	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\DefaultIcon\ = "\"C:\\Program Files (x86)\\Windows Mail\\wab.exe\",1"	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wab	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/x-vcard	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	1552	78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe

C:\Users\Admin\AppData\Local\Temp\78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
"C:\Users\Admin\AppData\Local\Temp\78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1552

C:\Windows\system32\dllhost.exe
C:\Windows\system32\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235}
1⤵
- Drops file in Windows directory
PID:280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1552-54-0x0000000075681000-0x0000000075683000-memory.dmp

Filesize
8KB

Download
memory/1552-55-0x0000000001000000-0x000000000104F000-memory.dmp

Filesize
316KB

Download
memory/1552-56-0x0000000074291000-0x0000000074293000-memory.dmp

Filesize
8KB

Download
memory/1552-57-0x0000000001000000-0x000000000104F000-memory.dmp

Filesize
316KB

Download

Analysis

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