8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1

Analysis

max time kernel
146s
max time network
155s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29/10/2022, 01:44

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General

Target

8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1.exe
Size

39KB
MD5

0bec8bec2719220174770f6be2670a70
SHA1

3650952706809567c9ad154aa0534b4205812f37
SHA256

8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1
SHA512

0360da04a26b3f1fd8663c0d92a454de44688d9882fe7ff3cef7fbbc323895fa9bc956948b06d0148895a31dc62e095399a8735ef95c75779aed46314f4c6241
SSDEEP

768:eKRylReBzok4ZVsr/i5ZDDynrpwRdWUAohfjiT5edir:rQK6e/inerpwr0qfWT5Me

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
944	rcflye.exe

Loads dropped DLL 1 IoCs

pid	Process
944	rcflye.exe

Enumerates connected drives 3 TTPs 22 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:	rcflye.exe
File opened (read-only)	\??\V:	rcflye.exe
File opened (read-only)	\??\Q:	rcflye.exe
File opened (read-only)	\??\R:	rcflye.exe
File opened (read-only)	\??\S:	rcflye.exe
File opened (read-only)	\??\W:	rcflye.exe
File opened (read-only)	\??\X:	rcflye.exe
File opened (read-only)	\??\G:	rcflye.exe
File opened (read-only)	\??\K:	rcflye.exe
File opened (read-only)	\??\O:	rcflye.exe
File opened (read-only)	\??\P:	rcflye.exe
File opened (read-only)	\??\J:	rcflye.exe
File opened (read-only)	\??\M:	rcflye.exe
File opened (read-only)	\??\H:	rcflye.exe
File opened (read-only)	\??\I:	rcflye.exe
File opened (read-only)	\??\N:	rcflye.exe
File opened (read-only)	\??\T:	rcflye.exe
File opened (read-only)	\??\U:	rcflye.exe
File opened (read-only)	\??\Y:	rcflye.exe
File opened (read-only)	\??\E:	rcflye.exe
File opened (read-only)	\??\F:	rcflye.exe
File opened (read-only)	\??\Z:	rcflye.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rcflye.exe	8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1.exe
File opened for modification	C:\Windows\SysWOW64\rcflye.exe	8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1.exe
File created	C:\Windows\SysWOW64\gei33.dll	rcflye.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\lpk.dll	rcflye.exe
File opened for modification	C:\Program Files\7-Zip\lpk.dll	rcflye.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1696	8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1.exe

C:\Users\Admin\AppData\Local\Temp\8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1.exe
"C:\Users\Admin\AppData\Local\Temp\8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
PID:1696

C:\Windows\SysWOW64\rcflye.exe
C:\Windows\SysWOW64\rcflye.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
PID:944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rcflye.exe

Filesize
39KB

MD5
0bec8bec2719220174770f6be2670a70

SHA1
3650952706809567c9ad154aa0534b4205812f37

SHA256
8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1

SHA512
0360da04a26b3f1fd8663c0d92a454de44688d9882fe7ff3cef7fbbc323895fa9bc956948b06d0148895a31dc62e095399a8735ef95c75779aed46314f4c6241

Download Submit
C:\Windows\SysWOW64\rcflye.exe

Filesize
39KB

MD5
0bec8bec2719220174770f6be2670a70

SHA1
3650952706809567c9ad154aa0534b4205812f37

SHA256
8212824085bc39e909dd745900c6c59357bda8328baa35e67238bfd53e9c1fb1

SHA512
0360da04a26b3f1fd8663c0d92a454de44688d9882fe7ff3cef7fbbc323895fa9bc956948b06d0148895a31dc62e095399a8735ef95c75779aed46314f4c6241

Download Submit
\Windows\SysWOW64\gei33.dll

Filesize
51KB

MD5
310b1d0bcc0291008ad7c0b8db293875

SHA1
237f75d45280d0eb5b996a82f493315f0bb55d60

SHA256
d9b593e8c142a46843e7ce1d9e9be79689160a3fd39927efaceb454fae5cbdc1

SHA512
f4d57b3e5d8ecaecab2c7b479508e3376a5561730a1aed7a62a9d79b02a92b62f45b8c02ad26c96a5bffcfef5351cf23562ed29c35324c101e8e02503f1d7a21

Download Submit
memory/944-57-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download