08cead831c51aa359182a7c752255fdcfc50e322a9c10809fdae851a045c4a3b

Analysis

max time kernel
2s
max time network
140s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 06:01

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General

Target

1092a943c87917b19ea8d03cd27707b0.exe
Size

236KB
MD5

1092a943c87917b19ea8d03cd27707b0
SHA1

865c3944899c594ffccb364ce086db2aaee5c128
SHA256

08cead831c51aa359182a7c752255fdcfc50e322a9c10809fdae851a045c4a3b
SHA512

1fea8ed9bc3af063b7680c75db1dc5a953d7a652533e49a31c3ece8f7cae792372640004f4cbda23d0471699416f8ccaa6bd16780529eb5bf331e6ba01bc0408
SSDEEP

6144:Z03XFuM4nLSgTh2IcymPCHWIlm1Fa1asHPncBPkgpHcKJ:Zc1udnLSg03ymK2Ilm1F4a4kJSKJ

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/660-0-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/660-61-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/660-62-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/660-63-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/660-67-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/660-68-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/660-74-0x0000000000400000-0x0000000000488000-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)	\??\q:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\w:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\z:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\j:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\o:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\r:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\t:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\u:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\v:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\x:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\e:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\l:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\k:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\m:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\n:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\p:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\s:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\y:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\h:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\i:	1092a943c87917b19ea8d03cd27707b0.exe
File opened (read-only)	\??\g:	1092a943c87917b19ea8d03cd27707b0.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	1092a943c87917b19ea8d03cd27707b0.exe

C:\Users\Admin\AppData\Local\Temp\1092a943c87917b19ea8d03cd27707b0.exe
"C:\Users\Admin\AppData\Local\Temp\1092a943c87917b19ea8d03cd27707b0.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:660

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\Cab45D8.tmp

Filesize
13KB

MD5
4eb96aac8bd5cb8be0ac108b6602e843

SHA1
caa341d874f10f90a819945306e8487035bfac30

SHA256
a54ad3e8deef1c6d2329c55ce73680fd9d5f98ae9643c6ff00eceaa03222468e

SHA512
eec50bde2b2d4aa832e3dd7fff8379c06fdda2ac756804a8b53c57fc0911dc45ff80f2d8ccf3f30f5121dba12f95a785c177d8b96803e035b64c60702075e34f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar461A.tmp

Filesize
15KB

MD5
cffa3feea3280835f862251d8e7f3d4b

SHA1
4fa06a8ae91f26d3117988d73e697a932a6188fd

SHA256
b8f951fef8718d3d14d8500530b3728422f36ce3939ea2fb6ddce26cc357992e

SHA512
1f332fd4cb88bf9c6de7550af2fd572e31098e2f185e76fe4837958b0af971a2a550de1011b1274ae038581afa4dd89bd1604e0ebbd7593ea89ab5d612d30fc4

Download Submit
memory/660-0-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/660-61-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/660-62-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/660-63-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/660-67-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/660-68-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/660-74-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads