57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39

Analysis

max time kernel
122s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 10:32

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General

Target

57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe
Size

205KB
MD5

7baab3ea37c9ecfdcc11bc8c8977047b
SHA1

2db4a3a40b0811f8af8087945ec670ab959725ca
SHA256

57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39
SHA512

6f8304e4ba49f660d112329d5ef37e9cabf5e63f6c23bc7cd810b1c5d1669d96541617e9c58c0d3b9a64e854414c8fe999309993a9a8bf51f6ac3118cde65592
SSDEEP

6144:TTmgzw8RTPbC55dXcnuUWzULEQIBS+eZ2G:ug0OPE9/zWtcSlM

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3544	Ugyqaa.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4248-132-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/files/0x0006000000022e6f-137.dat	upx
behavioral2/files/0x0006000000022e6f-138.dat	upx
behavioral2/memory/3544-139-0x0000000000400000-0x0000000000470000-memory.dmp	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Ugyqaa.exe	57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Ugyqaa.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Ugyqaa.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe
File created	C:\Windows\Ugyqaa.exe	57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4952	3544	WerFault.exe	82

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	Ugyqaa.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

pid	Process
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe
3544	Ugyqaa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 3544	4248	57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe	82
PID 4248 wrote to memory of 3544	4248	57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe	82
PID 4248 wrote to memory of 3544	4248	57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe	82

C:\Users\Admin\AppData\Local\Temp\57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe
"C:\Users\Admin\AppData\Local\Temp\57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Windows\Ugyqaa.exe
  C:\Windows\Ugyqaa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:3544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 732
    3⤵
    - Program crash
    PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3544 -ip 3544
1⤵
PID:8

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
426B

MD5
ab952a481db5f4f2bc3f04cf1df256c7

SHA1
88ab8b1246dfa3c056e2e544ada43d534ccc0e00

SHA256
f23729d20f7ccc9a12079343e68f11120247da83ac6ec466e1d7867717fe3a2f

SHA512
713d4f9f1f1f30e924664f1bece36e812f9c555eb07fe29aaced7d7b7d86a04ca62409ec88d6f4d58e536f4df7a93a48d310b29d8f187cc8ebd9f5d020561a51

Download Submit
C:\Windows\Ugyqaa.exe

Filesize
205KB

MD5
7baab3ea37c9ecfdcc11bc8c8977047b

SHA1
2db4a3a40b0811f8af8087945ec670ab959725ca

SHA256
57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39

SHA512
6f8304e4ba49f660d112329d5ef37e9cabf5e63f6c23bc7cd810b1c5d1669d96541617e9c58c0d3b9a64e854414c8fe999309993a9a8bf51f6ac3118cde65592

Download Submit
C:\Windows\Ugyqaa.exe

Filesize
205KB

MD5
7baab3ea37c9ecfdcc11bc8c8977047b

SHA1
2db4a3a40b0811f8af8087945ec670ab959725ca

SHA256
57c7b8f62896b63e90dc46cdb8aae2c10ae8f3fad8a637184805e0f36e668f39

SHA512
6f8304e4ba49f660d112329d5ef37e9cabf5e63f6c23bc7cd810b1c5d1669d96541617e9c58c0d3b9a64e854414c8fe999309993a9a8bf51f6ac3118cde65592

Download Submit
memory/3544-139-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/3544-145-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/3544-147-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4248-132-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/4248-135-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4248-144-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/4248-146-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download