bf76cb616b6e4bbfa6906d062996034333c7af3b8ccdace8be88b9acca0f8c17

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
23/07/2023, 15:58

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General

Target

NA_NA_12662c454eb8efexeexe_JC.exe
Size

101KB
MD5

12662c454eb8efba8cf4629e027f614b
SHA1

15993d93a9ef13c4c10d849ec5741c52a3c6f370
SHA256

bf76cb616b6e4bbfa6906d062996034333c7af3b8ccdace8be88b9acca0f8c17
SHA512

9fc7131f9c9b9f896671f894a04bafe8ac506ad8dfafa9e9f8d6b5167cb66a8fc8faefdf40ec4e9a3d8f485014a0cd8050fd7836b6a50b4c6781b6e7d3b42460
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn58+V:1nK6a+qdOOtEvwDpjW

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2124	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	NA_NA_12662c454eb8efexeexe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2040-54-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/memory/2040-68-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x000a000000012029-69.dat	upx
behavioral1/memory/2124-70-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x000a000000012029-65.dat	upx
behavioral1/files/0x000a000000012029-79.dat	upx
behavioral1/memory/2124-80-0x0000000000500000-0x000000000050F311-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 2040 wrote to memory of 2124	2040	NA_NA_12662c454eb8efexeexe_JC.exe	28
PID 2040 wrote to memory of 2124	2040	NA_NA_12662c454eb8efexeexe_JC.exe	28
PID 2040 wrote to memory of 2124	2040	NA_NA_12662c454eb8efexeexe_JC.exe	28
PID 2040 wrote to memory of 2124	2040	NA_NA_12662c454eb8efexeexe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NA_NA_12662c454eb8efexeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_12662c454eb8efexeexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2124

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
101KB

MD5
9e67bb04ec5435ff7ec901bd935efbed

SHA1
4d95e850bf62edf954db5a0b257835de41103e46

SHA256
88de0248765af6e71530b9c71f2b5f5e61eac928642fa7ddab866eb77596eb5c

SHA512
34c21173552c62d8530601dbb1f3518481de8a8ce360bd0adae3e075005b6e533b1e9d04789cea2fe6f0fceb78c9f7ab6d3e95fbf89dd6c97da2c801415f39fd

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

Filesize
101KB

MD5
9e67bb04ec5435ff7ec901bd935efbed

SHA1
4d95e850bf62edf954db5a0b257835de41103e46

SHA256
88de0248765af6e71530b9c71f2b5f5e61eac928642fa7ddab866eb77596eb5c

SHA512
34c21173552c62d8530601dbb1f3518481de8a8ce360bd0adae3e075005b6e533b1e9d04789cea2fe6f0fceb78c9f7ab6d3e95fbf89dd6c97da2c801415f39fd

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

Filesize
101KB

MD5
9e67bb04ec5435ff7ec901bd935efbed

SHA1
4d95e850bf62edf954db5a0b257835de41103e46

SHA256
88de0248765af6e71530b9c71f2b5f5e61eac928642fa7ddab866eb77596eb5c

SHA512
34c21173552c62d8530601dbb1f3518481de8a8ce360bd0adae3e075005b6e533b1e9d04789cea2fe6f0fceb78c9f7ab6d3e95fbf89dd6c97da2c801415f39fd

Download Submit
memory/2040-54-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2040-55-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2040-56-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2040-57-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2040-68-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2124-70-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2124-72-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2124-73-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2124-80-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download