1518ce880dcf50ffd3695f1a61af91802f162de772a8543a570d94348b1fa85a

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
22/07/2023, 22:20

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General

Target

NA_0899b5cd769290exe_JC.exe
Size

63KB
MD5

0899b5cd769290866c5642d08db31c1b
SHA1

cf6698d38713efcefe2e7940d24d1c4e27042845
SHA256

1518ce880dcf50ffd3695f1a61af91802f162de772a8543a570d94348b1fa85a
SHA512

f5147e6bd44509ece322dc2c62ed62caaf2245662dddf4e1eaf5262d597655fd6fe537c8f99e1d228f61ae91d1e4379e5bc518e2d87504986cf47b73be16c7e0
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAh5N:z6a+CdOOtEvwDpjQO

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2980	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2532	NA_0899b5cd769290exe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2532-53-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000e00000001201e-64.dat	upx
behavioral1/memory/2980-69-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2532-68-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000e00000001201e-67.dat	upx
behavioral1/files/0x000e00000001201e-78.dat	upx
behavioral1/memory/2980-79-0x0000000000500000-0x0000000000510000-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 2532 wrote to memory of 2980	2532	NA_0899b5cd769290exe_JC.exe	28
PID 2532 wrote to memory of 2980	2532	NA_0899b5cd769290exe_JC.exe	28
PID 2532 wrote to memory of 2980	2532	NA_0899b5cd769290exe_JC.exe	28
PID 2532 wrote to memory of 2980	2532	NA_0899b5cd769290exe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NA_0899b5cd769290exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_0899b5cd769290exe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2980

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
63KB

MD5
b5667f052c1564d0da30dfb1f458e01c

SHA1
78581913d03d0cdcc367b22166f8763eecb1e17f

SHA256
319646c452f749d7f9c7b3345619fbb4e6c81102d120d51411d847665148ec89

SHA512
377503da3a6e5c52258abd77976bc978e44e7d2ae6b4c7bbb0ad1f6ea8b11d8a0ca8afc6d71441ef5fa4d0a3b78fece8155af1270d816199ae21e321d8d0af27

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

Filesize
63KB

MD5
b5667f052c1564d0da30dfb1f458e01c

SHA1
78581913d03d0cdcc367b22166f8763eecb1e17f

SHA256
319646c452f749d7f9c7b3345619fbb4e6c81102d120d51411d847665148ec89

SHA512
377503da3a6e5c52258abd77976bc978e44e7d2ae6b4c7bbb0ad1f6ea8b11d8a0ca8afc6d71441ef5fa4d0a3b78fece8155af1270d816199ae21e321d8d0af27

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

Filesize
63KB

MD5
b5667f052c1564d0da30dfb1f458e01c

SHA1
78581913d03d0cdcc367b22166f8763eecb1e17f

SHA256
319646c452f749d7f9c7b3345619fbb4e6c81102d120d51411d847665148ec89

SHA512
377503da3a6e5c52258abd77976bc978e44e7d2ae6b4c7bbb0ad1f6ea8b11d8a0ca8afc6d71441ef5fa4d0a3b78fece8155af1270d816199ae21e321d8d0af27

Download Submit
memory/2532-53-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2532-54-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2532-55-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2532-56-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2532-68-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2980-69-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2980-72-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2980-71-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2980-79-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download