8927ec9212d9d891afa49822761ab726a9a5de1c2938692c25709ec3e80b96a2

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 22:29

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General

Target

VirusShare-007257eceaceb87c84ac1d75decb6fd5.exe
Size

327KB
MD5

007257eceaceb87c84ac1d75decb6fd5
SHA1

3446b0d7bfe20fced963bbc15506f394ffa6984f
SHA256

8927ec9212d9d891afa49822761ab726a9a5de1c2938692c25709ec3e80b96a2
SHA512

42bfb70bbb8b611fd6603c147e5cd43945c94fb90a6b7a8155dda5218a3f2815c38a74305b3dc1b4f6e054015975cee36683b2014e7cef46856f30e35b3b8d12
SSDEEP

6144:Q1db49+rEg024fpLZazEjvE/rbay19tSt4bO2BaDmeBJe59kIN/zJ:QjkArEN249AyE/rbaMct4bO2/V9l

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral1/memory/2124-0-0x0000000000400000-0x00000000004C1000-memory.dmp	UPX
behavioral1/memory/2124-14-0x0000000000400000-0x00000000004C1000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2656	server.exe

Loads dropped DLL 6 IoCs

pid	Process
2124	VirusShare-007257eceaceb87c84ac1d75decb6fd5.exe
2124	VirusShare-007257eceaceb87c84ac1d75decb6fd5.exe
2864	WerFault.exe
2864	WerFault.exe
2864	WerFault.exe
2864	WerFault.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2124-0-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral1/files/0x000d000000012262-7.dat	upx
behavioral1/memory/2124-15-0x00000000001E0000-0x00000000001ED000-memory.dmp	upx
behavioral1/memory/2656-17-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/2124-14-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral1/memory/2124-9-0x00000000001E0000-0x00000000001ED000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2124-14-0x0000000000400000-0x00000000004C1000-memory.dmp	autoit_exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2864	2656	WerFault.exe	28

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2656	2124	VirusShare-007257eceaceb87c84ac1d75decb6fd5.exe	28
PID 2124 wrote to memory of 2656	2124	VirusShare-007257eceaceb87c84ac1d75decb6fd5.exe	28
PID 2124 wrote to memory of 2656	2124	VirusShare-007257eceaceb87c84ac1d75decb6fd5.exe	28
PID 2124 wrote to memory of 2656	2124	VirusShare-007257eceaceb87c84ac1d75decb6fd5.exe	28
PID 2656 wrote to memory of 2864	2656	server.exe	29
PID 2656 wrote to memory of 2864	2656	server.exe	29
PID 2656 wrote to memory of 2864	2656	server.exe	29
PID 2656 wrote to memory of 2864	2656	server.exe	29

C:\Users\Admin\AppData\Local\Temp\VirusShare-007257eceaceb87c84ac1d75decb6fd5.exe
"C:\Users\Admin\AppData\Local\Temp\VirusShare-007257eceaceb87c84ac1d75decb6fd5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\server.exe
  C:\Users\Admin\AppData\Local\Temp/server.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 88
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2864

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

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

Filesize
33KB

MD5
f560832f5c715b27f635e4be7d93fefe

SHA1
2a4219fad5c7f42d7fe05969551abdae0c4574cd

SHA256
c0e6392d10fc80bb1c7b7690f2b9a34bef252b241e947a55a3c3246d19fa1988

SHA512
cf12a232718de4cb5a5916c6b36132780dc1c5ff3e645b038300c7b267fd1b145e79172a0785e7bf683610e231ba58c257bae1bd552f93cb5cca8618fbd6580d

Download Submit
memory/2124-0-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2124-15-0x00000000001E0000-0x00000000001ED000-memory.dmp

Filesize
52KB

Download
memory/2124-14-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2124-9-0x00000000001E0000-0x00000000001ED000-memory.dmp

Filesize
52KB

Download
memory/2124-24-0x00000000001E0000-0x00000000001ED000-memory.dmp

Filesize
52KB

Download
memory/2656-17-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download