ee6c0cad8bac92436ef668071b2b247312650c6dd9b1a8d0a57b9dbbba8ca5f1

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
19/07/2023, 17:56

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General

Target

fdb9b3f043bb42exe_JC.exe
Size

90KB
MD5

fdb9b3f043bb42627b257e4bc0e9e2b6
SHA1

5fd794b06b020b87c5ae9db32d15c84fca0402ec
SHA256

ee6c0cad8bac92436ef668071b2b247312650c6dd9b1a8d0a57b9dbbba8ca5f1
SHA512

1602e5d4652d62893b39a82d32953415d15e6cf5156864a2829d24ccfce513391996a61d72e8fed1a58e62accc78ead2af53706327dca692d07d2afd0e1fa6ec
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpMx75R:AnBdOOtEvwDpj6z5R

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2564	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
760	fdb9b3f043bb42exe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/760-55-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/760-68-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012029-65.dat	upx
behavioral1/memory/2564-70-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012029-69.dat	upx
behavioral1/files/0x0008000000012029-78.dat	upx
behavioral1/memory/2564-79-0x0000000000500000-0x000000000050F000-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 760 wrote to memory of 2564	760	fdb9b3f043bb42exe_JC.exe	28
PID 760 wrote to memory of 2564	760	fdb9b3f043bb42exe_JC.exe	28
PID 760 wrote to memory of 2564	760	fdb9b3f043bb42exe_JC.exe	28
PID 760 wrote to memory of 2564	760	fdb9b3f043bb42exe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\fdb9b3f043bb42exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\fdb9b3f043bb42exe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:760
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2564

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
90KB

MD5
c40d419dc45662dd05f22353e641b912

SHA1
b5115a1d8bce064f21f7e557e23600a6b3188853

SHA256
bb78cbc07afdcb4c9dcd021d8a1bf02f96a627669d452471198373a8a91c69db

SHA512
87ee0319307cb0969fad68570cf4197b646da4883be48466b728ce25e4925cecc8cb019083db480808b9034eb2dfc5cdd0f867c7b44fdcdfc9df672661aa17be

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

Filesize
90KB

MD5
c40d419dc45662dd05f22353e641b912

SHA1
b5115a1d8bce064f21f7e557e23600a6b3188853

SHA256
bb78cbc07afdcb4c9dcd021d8a1bf02f96a627669d452471198373a8a91c69db

SHA512
87ee0319307cb0969fad68570cf4197b646da4883be48466b728ce25e4925cecc8cb019083db480808b9034eb2dfc5cdd0f867c7b44fdcdfc9df672661aa17be

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

Filesize
90KB

MD5
c40d419dc45662dd05f22353e641b912

SHA1
b5115a1d8bce064f21f7e557e23600a6b3188853

SHA256
bb78cbc07afdcb4c9dcd021d8a1bf02f96a627669d452471198373a8a91c69db

SHA512
87ee0319307cb0969fad68570cf4197b646da4883be48466b728ce25e4925cecc8cb019083db480808b9034eb2dfc5cdd0f867c7b44fdcdfc9df672661aa17be

Download Submit
memory/760-54-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/760-57-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/760-56-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/760-55-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/760-68-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2564-70-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2564-72-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2564-79-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download