bb57c20116377a50473e83604488f1935311dbf93a419cdeb41cf051ffd22b31 | Triage

Analysis

max time kernel
35s
max time network
50s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-12-2022 06:34

Sharing

Report Analysis Logs

General

Target

MainLoader.exe
Size

537KB
MD5

2ce459cbd15f96b92c6b411b9eaeb24c
SHA1

d4ef5e179d1e4510141537bd59dca1d6fdb83a6a
SHA256

bb57c20116377a50473e83604488f1935311dbf93a419cdeb41cf051ffd22b31
SHA512

f5385c52c7945cfb2196edbda6aebd7007d383fc837712585c501387704709f9882f36559736b0804455a5c9eb09015d4f6e88135339c340c643554b0d4cb53c
SSDEEP

12288:z4lThwQGIQilGzWTifG1g6eUt5uPPRg7zhTnn6wi8TQBVW6:slTOFq7TifGG6wR6TnRi8To

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/1164-54-0x000000013FAB0000-0x000000013FC13000-memory.dmp	upx
behavioral1/memory/1164-56-0x000000013FAB0000-0x000000013FC13000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1176 1164 WerFault.exe MainLoader.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

MainLoader.exe

description	pid	process	target process
PID 1164 wrote to memory of 1176	1164	MainLoader.exe	WerFault.exe
PID 1164 wrote to memory of 1176	1164	MainLoader.exe	WerFault.exe
PID 1164 wrote to memory of 1176	1164	MainLoader.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\MainLoader.exe
"C:\Users\Admin\AppData\Local\Temp\MainLoader.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1164 -s 280
2⤵
- Program crash
PID:1176

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1164-54-0x000000013FAB0000-0x000000013FC13000-memory.dmp

Filesize
1.4MB

Download
memory/1164-56-0x000000013FAB0000-0x000000013FC13000-memory.dmp

Filesize
1.4MB

Download
memory/1176-55-0x0000000000000000-mapping.dmp

Download