aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc

Analysis

max time kernel
124s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/04/2024, 01:36

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General

Target

aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe
Size

47KB
MD5

a3010623d3fef58541204ebf04a98690
SHA1

8292806f8acf849f49022b7f21743845eb022566
SHA256

aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc
SHA512

bd414c8ae044447833a06ff93111425cff851fc5e24c0c4354e6f32770bf895b86d1986a7082c493fdbbb86b753112b0be4908143b9b131260869c50a17a99b5
SSDEEP

768:IpwuGS2MxhRtEaKxY4Cnfcshsti92CbMuW6zuU7ec:JmxF+XWVhs02PZ6zuUKc

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/3064-0-0x0000000000400000-0x000000000040E000-memory.dmp	UPX
behavioral1/memory/3064-2-0x0000000000400000-0x000000000040E000-memory.dmp	UPX
behavioral1/files/0x000900000001227e-4.dat	UPX
behavioral1/memory/2688-8-0x0000000000400000-0x000000000040E000-memory.dmp	UPX
behavioral1/memory/2688-10-0x0000000000400000-0x000000000040E000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2688	pdfupdate.exe

Loads dropped DLL 1 IoCs

pid	Process
3064	aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3064-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/3064-2-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x000900000001227e-4.dat	upx
behavioral1/memory/2688-8-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2688-10-0x0000000000400000-0x000000000040E000-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 7 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2688	3064	aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe	28
PID 3064 wrote to memory of 2688	3064	aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe	28
PID 3064 wrote to memory of 2688	3064	aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe	28
PID 3064 wrote to memory of 2688	3064	aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe	28
PID 3064 wrote to memory of 2688	3064	aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe	28
PID 3064 wrote to memory of 2688	3064	aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe	28
PID 3064 wrote to memory of 2688	3064	aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe	28

C:\Users\Admin\AppData\Local\Temp\aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe
"C:\Users\Admin\AppData\Local\Temp\aedd00b2986a23d333567a12e8ee11fe3aaae35ebebfda06e7d82622564a40dc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\pdfupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\pdfupdate.exe"
  2⤵
  - Executes dropped EXE
  PID:2688

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\pdfupdate.exe

Filesize
47KB

MD5
67492fe4292f2ac1680d5c3888e608f6

SHA1
9566554dfd221d1b6a89532c366886f82299a9ef

SHA256
63b12ea19588e45a071df2768c58311c38ad1dd50b1082e34c1df42bde404d97

SHA512
781d8c3e9079c5ce016ad02a1348134f83dff4a62074d436ad7acceb7e4e11ce14d4b12279fb7a325f2263fc2fbae2686dce6d91cb1c8d22fef7616bae9596a1

Download Submit
memory/2688-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2688-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3064-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3064-2-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download