301337a27d15f228cbeb9c4ee07cca1c663b90e615d637a5e17c56390a90c327

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
17/07/2023, 18:27

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General

Target

a44b6a9bb8dadd_JC.exe
Size

53KB
MD5

a44b6a9bb8dadd3cb4a448a3ee00e2e4
SHA1

e07e09892764b921780e893eec8c841d6cadabd4
SHA256

301337a27d15f228cbeb9c4ee07cca1c663b90e615d637a5e17c56390a90c327
SHA512

cc4859f4b27d7e9bdddedced4ce34b8065b3dddfc6dff52ed80b3a06d7ba4069bfc9dc9980b8b5efd1b2cddb22f35658f38e8e1b1b8f8153ee7a637a042c979b
SSDEEP

768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlOW:zj+soPSMOtEvwDpj4ktBlP

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2096	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1840	a44b6a9bb8dadd_JC.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1840-54-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1840-66-0x00000000020E0000-0x00000000020F0000-memory.dmp	upx
behavioral1/files/0x00070000000120e6-65.dat	upx
behavioral1/memory/1840-69-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2096-71-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x00070000000120e6-70.dat	upx
behavioral1/files/0x00070000000120e6-80.dat	upx
behavioral1/memory/2096-81-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 2096	1840	a44b6a9bb8dadd_JC.exe	28
PID 1840 wrote to memory of 2096	1840	a44b6a9bb8dadd_JC.exe	28
PID 1840 wrote to memory of 2096	1840	a44b6a9bb8dadd_JC.exe	28
PID 1840 wrote to memory of 2096	1840	a44b6a9bb8dadd_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\a44b6a9bb8dadd_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a44b6a9bb8dadd_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2096

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\misid.exe

Filesize
53KB

MD5
9c3791ffeaa72f28f5ea439e95dd7abc

SHA1
f4e696e8392bbbf5e589ad70c79623120ef9265d

SHA256
5a3e80277796e89c0b79fb4067b4b12a033ac3cd45c54fcd8ba4419417c9eaf7

SHA512
64b88f5b88fbff21ced42cc8243f75bac6d1fa4b291e2f05c828b3e4f4be164865a936b10407fdcf8e7c5ccf5caecdc8ea03c83239382c0bacbafafd3992b67c

Download Submit
C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
53KB

MD5
9c3791ffeaa72f28f5ea439e95dd7abc

SHA1
f4e696e8392bbbf5e589ad70c79623120ef9265d

SHA256
5a3e80277796e89c0b79fb4067b4b12a033ac3cd45c54fcd8ba4419417c9eaf7

SHA512
64b88f5b88fbff21ced42cc8243f75bac6d1fa4b291e2f05c828b3e4f4be164865a936b10407fdcf8e7c5ccf5caecdc8ea03c83239382c0bacbafafd3992b67c

Download Submit
\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
53KB

MD5
9c3791ffeaa72f28f5ea439e95dd7abc

SHA1
f4e696e8392bbbf5e589ad70c79623120ef9265d

SHA256
5a3e80277796e89c0b79fb4067b4b12a033ac3cd45c54fcd8ba4419417c9eaf7

SHA512
64b88f5b88fbff21ced42cc8243f75bac6d1fa4b291e2f05c828b3e4f4be164865a936b10407fdcf8e7c5ccf5caecdc8ea03c83239382c0bacbafafd3992b67c

Download Submit
memory/1840-69-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1840-66-0x00000000020E0000-0x00000000020F0000-memory.dmp

Filesize
64KB

Download
memory/1840-56-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1840-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1840-57-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1840-55-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2096-71-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2096-73-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2096-74-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2096-81-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download