515b15c3a76298d89003e8742b7ea73a7a8a6b48cb76a189956998302e7abd23

Analysis

max time kernel
36s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03-10-2022 11:41

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General

Target

515b15c3a76298d89003e8742b7ea73a7a8a6b48cb76a189956998302e7abd23.exe
Size

61KB
MD5

6b4d059e136e11be3c71f3aaaaae853c
SHA1

7ad68af9bf29717042708e31f45a4aa7479b0a7f
SHA256

515b15c3a76298d89003e8742b7ea73a7a8a6b48cb76a189956998302e7abd23
SHA512

a0aacaa7fb1905594b39a36f78e81544ebe03888c30fb9479fc3b61bfca9a0eb45e1333d991365249b3706f362f4df58d6734f93f807b6a6fa3bce38a050fe73
SSDEEP

1536:1OPhlosUoAarDX1JJyfhHNP5U63G/CQ7fA1/5tX:1OPlfJJyfh4QGVfG/5p

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0009000000013922-55.dat	acprotect

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000013922-55.dat	upx

Loads dropped DLL 3 IoCs

pid	Process
1612	515b15c3a76298d89003e8742b7ea73a7a8a6b48cb76a189956998302e7abd23.exe
1612	515b15c3a76298d89003e8742b7ea73a7a8a6b48cb76a189956998302e7abd23.exe
1612	515b15c3a76298d89003e8742b7ea73a7a8a6b48cb76a189956998302e7abd23.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\win7zip.dll	515b15c3a76298d89003e8742b7ea73a7a8a6b48cb76a189956998302e7abd23.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\515b15c3a76298d89003e8742b7ea73a7a8a6b48cb76a189956998302e7abd23.exe
"C:\Users\Admin\AppData\Local\Temp\515b15c3a76298d89003e8742b7ea73a7a8a6b48cb76a189956998302e7abd23.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
PID:1612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsd844F.tmp\InetLoad.dll

Filesize
18KB

MD5
994669c5737b25c26642c94180e92fa2

SHA1
d8a1836914a446b0e06881ce1be8631554adafde

SHA256
bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

SHA512
d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

Download Submit
\Users\Admin\AppData\Local\Temp\nsd844F.tmp\InetLoad.dll

Filesize
18KB

MD5
994669c5737b25c26642c94180e92fa2

SHA1
d8a1836914a446b0e06881ce1be8631554adafde

SHA256
bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

SHA512
d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

Download Submit
\Users\Admin\AppData\Local\Temp\nsd844F.tmp\nsRandom.dll

Filesize
21KB

MD5
ab467b8dfaa660a0f0e5b26e28af5735

SHA1
596abd2c31eaff3479edf2069db1c155b59ce74d

SHA256
db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73

SHA512
7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301

Download Submit
memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1612-57-0x00000000027D0000-0x00000000027E2000-memory.dmp

Filesize
72KB

Download
memory/1612-59-0x00000000027D0000-0x00000000027D6000-memory.dmp

Filesize
24KB

Download