cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad

Analysis

max time kernel
112s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 19:25

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General

Target

cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
Size

707KB
MD5

08f6787221016ef38abaff7c7418c23d
SHA1

c28219c4867b1f7f06a949acd39d83726d9f7b7b
SHA256

cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad
SHA512

60da549ad9d9c9fdb9dce9a324971f7b9db4a4bf2ef5f5d62e710e8b6b50925a3298a5786d17a89f6fa30715759a57717f64897b1d2da13d80ae433f7f9717e3
SSDEEP

6144:iv27jyGy1/pEli1TQXG3QsE0VdQTQRwvwjvaIy7N:6/Fpl1UXGRVpw4jyIy

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
behavioral2/memory/4832-135-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4832-136-0x0000000000400000-0x0000000000471000-memory.dmp	upx

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\L:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\M:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\P:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\A:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\B:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\F:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\H:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\J:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\V:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\X:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\U:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\W:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\N:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\O:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\R:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\S:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\T:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\E:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\G:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\Z:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\I:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\K:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\Q:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened (read-only)	\??\Y:	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File opened for modification	C:\autorun.inf	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\NetInfo.exe	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
File created	C:\Windows\SysWOW64\NetInfo.exe	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4832	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
4832	cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe

C:\Users\Admin\AppData\Local\Temp\cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe
"C:\Users\Admin\AppData\Local\Temp\cff71362dab7e3b7c7bd55830d31f211d561dc7d21bbfee1a216f4f96bfb27ad.exe"
1⤵
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:4832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4832-135-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4832-136-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download