d87bf9447e6782b79e37b29b822b72512e49562231a949ab29674648805f5f36

Analysis

max time kernel
48s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/01/2023, 22:00

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General

Target

setup.exe
Size

1.3MB
MD5

db63ecc446d79141a12cc1dd13fa377e
SHA1

28e5812ec18e0c24b1d7a0ae6ab79d824da96e94
SHA256

d87bf9447e6782b79e37b29b822b72512e49562231a949ab29674648805f5f36
SHA512

f899f117f358d98906c048d8b5a05f50b3c1c6878fb30b0968e370e24f9cc248ff51389480a19c7aee31f66ab37ff282997e3ec07531f404889884898854946a
SSDEEP

24576:XxGkHMRU4b5DVAdyweF+a1enVfmpLbcx5QZ:gmctZieFZ14Vg

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1668	setup.tmp

Loads dropped DLL 4 IoCs

pid	Process
1392	setup.exe
1668	setup.tmp
1668	setup.tmp
1668	setup.tmp

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 1668	1392	setup.exe	27
PID 1392 wrote to memory of 1668	1392	setup.exe	27
PID 1392 wrote to memory of 1668	1392	setup.exe	27
PID 1392 wrote to memory of 1668	1392	setup.exe	27
PID 1392 wrote to memory of 1668	1392	setup.exe	27
PID 1392 wrote to memory of 1668	1392	setup.exe	27
PID 1392 wrote to memory of 1668	1392	setup.exe	27

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Users\Admin\AppData\Local\Temp\is-5R05L.tmp\setup.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-5R05L.tmp\setup.tmp" /SL5="$60120,484352,0,C:\Users\Admin\AppData\Local\Temp\setup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1668

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

C:\Users\Admin\AppData\Local\Temp\is-5R05L.tmp\setup.tmp

Filesize
1.5MB

MD5
7d237edf2866222fb8bc3c588ff7bcdb

SHA1
a6a7d068ef22787bb7bdeefa9bbf127a2045855f

SHA256
1106262f62188882d78578f260525c34ad0b3c2e1823915eab207fc9c79fc6fc

SHA512
c171fcefb42f24dbb6e3a32463c29d4fb77e61bcda12571939a29b59b1ee72512df8744f3bc60e3436a1b5223a2f60b4325c8070ced07b214b03bc3d36eb8870

Download Submit
\Users\Admin\AppData\Local\Temp\is-5R05L.tmp\setup.tmp

Filesize
1.5MB

MD5
7d237edf2866222fb8bc3c588ff7bcdb

SHA1
a6a7d068ef22787bb7bdeefa9bbf127a2045855f

SHA256
1106262f62188882d78578f260525c34ad0b3c2e1823915eab207fc9c79fc6fc

SHA512
c171fcefb42f24dbb6e3a32463c29d4fb77e61bcda12571939a29b59b1ee72512df8744f3bc60e3436a1b5223a2f60b4325c8070ced07b214b03bc3d36eb8870

Download Submit
\Users\Admin\AppData\Local\Temp\is-I9KF4.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-I9KF4.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-I9KF4.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1392-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1392-55-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1392-61-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1668-65-0x0000000073FF1000-0x0000000073FF3000-memory.dmp

Filesize
8KB

Download