b40f9fc497228424efb85cf59d3099328a73bcbb4ce365e5d33016db91c29859

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 23:18

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

b8e33111e07537d2db3a514eae75118a.exe
Size

120KB
MD5

b8e33111e07537d2db3a514eae75118a
SHA1

05b6f4dea0f018a66022552d2ffa41e9fd6d3a48
SHA256

b40f9fc497228424efb85cf59d3099328a73bcbb4ce365e5d33016db91c29859
SHA512

329090b5d00417fa0fb9700bf221d711f1caed28e195cc46fba94081c6352a0e7a476774c9e1a5c18a01b397f1a7bab9f2ee05c91a4ca8dda53542e6f7a58e26
SSDEEP

768:h4LivE9MNXz3Wc7R1X1JenPhLMNRZREYwjfrnGOj:h4LiM94XzjneJL4RZyYwjSy

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2240	ztdvl.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	b8e33111e07537d2db3a514eae75118a.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2756-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2756-1-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/files/0x000d00000001224c-4.dat	upx
behavioral1/memory/2756-6-0x0000000003150000-0x000000000316E000-memory.dmp	upx
behavioral1/memory/2240-9-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2240-11-0x0000000000400000-0x000000000041E000-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 2756 wrote to memory of 2240	2756	b8e33111e07537d2db3a514eae75118a.exe	28
PID 2756 wrote to memory of 2240	2756	b8e33111e07537d2db3a514eae75118a.exe	28
PID 2756 wrote to memory of 2240	2756	b8e33111e07537d2db3a514eae75118a.exe	28
PID 2756 wrote to memory of 2240	2756	b8e33111e07537d2db3a514eae75118a.exe	28

C:\Users\Admin\AppData\Local\Temp\b8e33111e07537d2db3a514eae75118a.exe
"C:\Users\Admin\AppData\Local\Temp\b8e33111e07537d2db3a514eae75118a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\ztdvl.exe
  "C:\Users\Admin\AppData\Local\Temp\ztdvl.exe"
  2⤵
  - Executes dropped EXE
  PID:2240

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\ztdvl.exe

Filesize
120KB

MD5
df5030b9c8e360b28a0c0215c4fcf26d

SHA1
c7b8dbabc319cb5ea7e0812b89696239946a9855

SHA256
5cd554d4cc8bc12fa85d11081df12874cd95a4563b85fe87bfa71d0a9b84359c

SHA512
6fe97925af08af5567236d088a1fee77f750b080380bcdea8ac0fd0875c9fbe8c862331b3f916b1f4068e84c6e6f55c927708006218a92a60e9f465c1336d279

Download Submit
memory/2240-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2240-11-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2756-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2756-1-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2756-6-0x0000000003150000-0x000000000316E000-memory.dmp

Filesize
120KB

Download
memory/2756-12-0x0000000003150000-0x000000000316E000-memory.dmp

Filesize
120KB

Download