27b6b7dccbd9140e3f664d47bcbcfe3bcdc2f54bb975fbcda9f8822cd6c21a0b

Analysis

max time kernel
2s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 11:07

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General

Target

699865e10af616dd2593028ca6ff55de.exe
Size

330KB
MD5

699865e10af616dd2593028ca6ff55de
SHA1

705fd14570376a1e85aa7db13ce8b722c3f37912
SHA256

27b6b7dccbd9140e3f664d47bcbcfe3bcdc2f54bb975fbcda9f8822cd6c21a0b
SHA512

f0f8578bf815b25aaf7d07e96fe6ce1c7e820705c13dc82430536ae03b7efc55dec7e6400fd642dfb40ec6d6c796d69654aaa2e2add809a152ee7722ddf63bcb
SSDEEP

6144:sS+QH6yN8wfRe3q+2ZYbO2PY/eQanlrUdqKHWjbTvzUfsbkUBrThzGpH:GE6y66e3N272PYXZd5UbTbLkUB/VGp

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2340-0-0x0000000000400000-0x00000000004BD000-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)	\??\e:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\j:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\o:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\r:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\v:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\i:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\p:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\q:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\y:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\g:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\k:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\l:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\m:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\t:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\u:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\w:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\h:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\n:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\s:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\x:	699865e10af616dd2593028ca6ff55de.exe
File opened (read-only)	\??\z:	699865e10af616dd2593028ca6ff55de.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	699865e10af616dd2593028ca6ff55de.exe

C:\Users\Admin\AppData\Local\Temp\699865e10af616dd2593028ca6ff55de.exe
"C:\Users\Admin\AppData\Local\Temp\699865e10af616dd2593028ca6ff55de.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:2340

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1D27.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2340-0-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2340-66-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2340-72-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads