ad9c7af58ddb58fd2f88f11a294e0127545b7dd410b7ea1b657aa38da6479486

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
23/07/2023, 18:38

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General

Target

NA_NA_2501b75a74a8c9exeexe_JC.exe
Size

117KB
MD5

2501b75a74a8c994351a5542181dd964
SHA1

b10eab5d710fab188fb8cc7f91f9f227e2b223a0
SHA256

ad9c7af58ddb58fd2f88f11a294e0127545b7dd410b7ea1b657aa38da6479486
SHA512

2150a8c49b4f2e36dbcbd97d0f63ce11699d1b6b56c84abf676940ad3e9eb825d94ed67955865136a658cf9ba5ce1bb5d4ee444243f02a8ff4f7598b02bb0b28
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eX:AnBdOOtEvwDpj6zd

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1556	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2568	NA_NA_2501b75a74a8c9exeexe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2568-54-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012023-65.dat	upx
behavioral1/memory/1556-72-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012023-70.dat	upx
behavioral1/memory/2568-68-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012023-79.dat	upx
behavioral1/memory/1556-80-0x0000000000500000-0x000000000050F000-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 2568 wrote to memory of 1556	2568	NA_NA_2501b75a74a8c9exeexe_JC.exe	28
PID 2568 wrote to memory of 1556	2568	NA_NA_2501b75a74a8c9exeexe_JC.exe	28
PID 2568 wrote to memory of 1556	2568	NA_NA_2501b75a74a8c9exeexe_JC.exe	28
PID 2568 wrote to memory of 1556	2568	NA_NA_2501b75a74a8c9exeexe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NA_NA_2501b75a74a8c9exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_2501b75a74a8c9exeexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
118KB

MD5
d5b9ab40ee295d3a19e3cf1526d32d21

SHA1
6aba83c438898ab70bbc067f9aca7791fe9e3c68

SHA256
368b4e171de67d70e8332928272bd1e77be167b76556cfb004d9160f13bd86fb

SHA512
556e5fafd15f827dce78345d612a7bc869c3896c8fbeb585538f1b5827473d4a20c22e4d84c0eb294123bc816673a6b47a4ab3f5566a5b9f6afc085608295814

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

Filesize
118KB

MD5
d5b9ab40ee295d3a19e3cf1526d32d21

SHA1
6aba83c438898ab70bbc067f9aca7791fe9e3c68

SHA256
368b4e171de67d70e8332928272bd1e77be167b76556cfb004d9160f13bd86fb

SHA512
556e5fafd15f827dce78345d612a7bc869c3896c8fbeb585538f1b5827473d4a20c22e4d84c0eb294123bc816673a6b47a4ab3f5566a5b9f6afc085608295814

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

Filesize
118KB

MD5
d5b9ab40ee295d3a19e3cf1526d32d21

SHA1
6aba83c438898ab70bbc067f9aca7791fe9e3c68

SHA256
368b4e171de67d70e8332928272bd1e77be167b76556cfb004d9160f13bd86fb

SHA512
556e5fafd15f827dce78345d612a7bc869c3896c8fbeb585538f1b5827473d4a20c22e4d84c0eb294123bc816673a6b47a4ab3f5566a5b9f6afc085608295814

Download Submit
memory/1556-72-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1556-80-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2568-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2568-55-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2568-57-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2568-56-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2568-69-0x0000000001FE0000-0x0000000001FEF000-memory.dmp

Filesize
60KB

Download
memory/2568-68-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download