22b13848d3f286a551b2151a3c5b577f797cd5bf76e7e211b686055ed3de09d6

Analysis

max time kernel
0s
max time network
141s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 15:24

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General

Target

2917e9ae126fee0277c544dec8274676.exe
Size

228KB
MD5

2917e9ae126fee0277c544dec8274676
SHA1

1b7743d1779b0e8d0c4e7bd93cf04f0db0e3df14
SHA256

22b13848d3f286a551b2151a3c5b577f797cd5bf76e7e211b686055ed3de09d6
SHA512

35f194d8de6eaf85fbc4b4644156026c3f77c62e6a9504329ff1b6576c00577eb7ebd66251bac7ee5591ae708ed3b409de11363a2f11f073758ed9c64a811b91
SSDEEP

6144:osh1Z/s4BpAAx+NANgWB1zvj+5a+CG+xEe:osh1Z/Tb0WB43CGc

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1328-0-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1328-50-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1328-67-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1328-73-0x0000000000400000-0x0000000000488000-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:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\i:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\l:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\o:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\p:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\g:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\h:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\j:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\m:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\s:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\y:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\z:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\r:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\w:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\k:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\n:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\q:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\t:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\u:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\v:	2917e9ae126fee0277c544dec8274676.exe
File opened (read-only)	\??\x:	2917e9ae126fee0277c544dec8274676.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	2917e9ae126fee0277c544dec8274676.exe

C:\Users\Admin\AppData\Local\Temp\2917e9ae126fee0277c544dec8274676.exe
"C:\Users\Admin\AppData\Local\Temp\2917e9ae126fee0277c544dec8274676.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:1328

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
44KB

MD5
f723dcfdd5f5a7873d227cba2391d9c6

SHA1
63734748d6b5a85a7f12e3b58354442b54f2aaff

SHA256
b0c2cba67e971e027a45d3ddd2673645c1f8b8040f1e285506b06bc2ac2d0807

SHA512
f1fe727e9cf3f39dc3c5eadb0cd45803f0e749ae603945aa5c7300c0a235c6e69c41bc4fcff6cda9ee2595da82f33e3f731e63734e79dd6b42d4626c52e87fe1

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1CAA.tmp

Filesize
65KB

MD5
7d7cdd0e9f06f7d35ffa11ec10acac9d

SHA1
3ce82c17b98bd7a3010f9328e989065bc2d3bed9

SHA256
6bec041e635fc41276931ad8d2ff14350b33da144540a062a811c4497f1e817b

SHA512
2b03c82c9d4e31b01243704106f98740d322c0de20b0c5df5937b15bf4b11a51084b6ec3328e60bd4a4cd27030bb91de738f2df807df2c2c1fbbb3a115d201da

Download Submit
memory/1328-0-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1328-50-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1328-67-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1328-69-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1328-72-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1328-73-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1328-75-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads