21518e8d642fd5732081bc933b31b12548f4bbe2baa861dae74444a1941ad1e6

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
14/07/2023, 11:53

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General

Target

14631ba3c4754bexe_JC.exe
Size

64KB
MD5

14631ba3c4754b2d435a9687e5fd803b
SHA1

f661671737982ffdaba1c3a46f4f5af88ab1df43
SHA256

21518e8d642fd5732081bc933b31b12548f4bbe2baa861dae74444a1941ad1e6
SHA512

524046f33f393f68e5dcd67e8390f1537c17196e196c4d2e5b962c85e8abf3b4a08fc5407177253a53822fabd7799a2a3ded91d79366c95be9749f329d14b959
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAh5T:z6a+CdOOtEvwDpjQs

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2940	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2668	14631ba3c4754bexe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2668-53-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x001000000001201d-64.dat	upx
behavioral1/memory/2668-67-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x001000000001201d-68.dat	upx
behavioral1/memory/2940-69-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x001000000001201d-78.dat	upx
behavioral1/memory/2940-79-0x0000000000500000-0x0000000000510000-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 2668 wrote to memory of 2940	2668	14631ba3c4754bexe_JC.exe	28
PID 2668 wrote to memory of 2940	2668	14631ba3c4754bexe_JC.exe	28
PID 2668 wrote to memory of 2940	2668	14631ba3c4754bexe_JC.exe	28
PID 2668 wrote to memory of 2940	2668	14631ba3c4754bexe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\14631ba3c4754bexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\14631ba3c4754bexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2940

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\asih.exe

Filesize
64KB

MD5
ac59fb4105cb8166b1b3fa15ca063d94

SHA1
8557bf2bdf33bf4a5e63d56050fe639598199241

SHA256
7b343509604b1aed5e401769763a51b0c6c8b9c42b6c60e54cb486c437d8ec4c

SHA512
e83e5aa74202c126749d2786efe65e81c726e16c32de11d53c7de085add394b4773cef308e99eb69e3cd2295a11afee34c1ee1c71ba3ceb2e6fc8c9869d20c9e

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

Filesize
64KB

MD5
ac59fb4105cb8166b1b3fa15ca063d94

SHA1
8557bf2bdf33bf4a5e63d56050fe639598199241

SHA256
7b343509604b1aed5e401769763a51b0c6c8b9c42b6c60e54cb486c437d8ec4c

SHA512
e83e5aa74202c126749d2786efe65e81c726e16c32de11d53c7de085add394b4773cef308e99eb69e3cd2295a11afee34c1ee1c71ba3ceb2e6fc8c9869d20c9e

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

Filesize
64KB

MD5
ac59fb4105cb8166b1b3fa15ca063d94

SHA1
8557bf2bdf33bf4a5e63d56050fe639598199241

SHA256
7b343509604b1aed5e401769763a51b0c6c8b9c42b6c60e54cb486c437d8ec4c

SHA512
e83e5aa74202c126749d2786efe65e81c726e16c32de11d53c7de085add394b4773cef308e99eb69e3cd2295a11afee34c1ee1c71ba3ceb2e6fc8c9869d20c9e

Download Submit
memory/2668-53-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2668-54-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2668-55-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2668-57-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2668-67-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2940-69-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2940-72-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2940-71-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2940-79-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download