397764c101737103ef06b78ad1ab8fcf042d04c773d8f442162c714e65cb45cf

Analysis

max time kernel
5s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 00:16

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General

Target

1c44cf5069a3cce2891a7c09f60a23d4.exe
Size

241KB
MD5

1c44cf5069a3cce2891a7c09f60a23d4
SHA1

6a594099c8f2142c5eb95162088723485a588e89
SHA256

397764c101737103ef06b78ad1ab8fcf042d04c773d8f442162c714e65cb45cf
SHA512

acbd502ea5b7ba41acf19837f30f5fd80a4723ea86ee8066e4a1fb5535a046352644de4702cf5ce2c75c37228de7386cc1d67472192eed4ec0e9b5761137c2fd
SSDEEP

6144:fkeENDvTSn2SV/GuhYdViC7X57+nMQSW4tJW:fNEND/k/GLPX57+nfSW4tJW

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2224-0-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2224-61-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2224-62-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2224-67-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2224-69-0x0000000000400000-0x0000000000489000-memory.dmp	upx

Enumerates connected drives 3 TTPs 21 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)	\??\i:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\l:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\m:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\x:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\z:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\e:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\h:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\q:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\y:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\k:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\n:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\w:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\s:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\t:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\o:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\p:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\r:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\u:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\v:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\g:	1c44cf5069a3cce2891a7c09f60a23d4.exe
File opened (read-only)	\??\j:	1c44cf5069a3cce2891a7c09f60a23d4.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	1c44cf5069a3cce2891a7c09f60a23d4.exe

C:\Users\Admin\AppData\Local\Temp\1c44cf5069a3cce2891a7c09f60a23d4.exe
"C:\Users\Admin\AppData\Local\Temp\1c44cf5069a3cce2891a7c09f60a23d4.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab54A7.tmp

Filesize
8KB

MD5
f46d5b2423f00fb92e97c2e859ad2791

SHA1
a37363995cb234152d576482a9b900007f6551e4

SHA256
10ff9c13f9d7aa186f9d09e010640455569e86dbd9e1b34fb811011c0ed34c92

SHA512
697886fa43e72ea31dadc5a7358ce895b5a29d7ed57a3d6d892e581f446a0a748547d6976b7e241719ccc84bd7c90906e45ed5b743f68f767fe7c39e3522cd71

Download Submit
memory/2224-0-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2224-61-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2224-62-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2224-67-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2224-69-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads