e2087ba92c46f46e0293f6040a1bbbc29558693ba295072fd7056431b291d594

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 21:13

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General

Target

1ca18b6a656dba64eca29fb9607e0556.exe
Size

123KB
MD5

1ca18b6a656dba64eca29fb9607e0556
SHA1

993923a2981223d7d32a4a0f6fde424c07b4c5a8
SHA256

e2087ba92c46f46e0293f6040a1bbbc29558693ba295072fd7056431b291d594
SHA512

3eee6edf517eb925baebb5057e2e5e1194327c690d4a619483635e4785f4985e81f82c4ec865d849715eff68281a4778a603da624c23ed5814b54fb3874b36f3
SSDEEP

3072:s9WnYVCDN+l0S8r+GX6iyA3ONmZwXWDQxyjV9dyMEcNdOfXqS:s8Y2Nzd+J/BMyWDQbc8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2720	Cwoqaa.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Cwoqaa.exe	1ca18b6a656dba64eca29fb9607e0556.exe
File opened for modification	C:\Windows\Cwoqaa.exe	1ca18b6a656dba64eca29fb9607e0556.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Cwoqaa.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Cwoqaa.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	1ca18b6a656dba64eca29fb9607e0556.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	1ca18b6a656dba64eca29fb9607e0556.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	Cwoqaa.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\International	Cwoqaa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe
2720	Cwoqaa.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2884	1ca18b6a656dba64eca29fb9607e0556.exe
2720	Cwoqaa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2720	2884	1ca18b6a656dba64eca29fb9607e0556.exe	28
PID 2884 wrote to memory of 2720	2884	1ca18b6a656dba64eca29fb9607e0556.exe	28
PID 2884 wrote to memory of 2720	2884	1ca18b6a656dba64eca29fb9607e0556.exe	28
PID 2884 wrote to memory of 2720	2884	1ca18b6a656dba64eca29fb9607e0556.exe	28

C:\Users\Admin\AppData\Local\Temp\1ca18b6a656dba64eca29fb9607e0556.exe
"C:\Users\Admin\AppData\Local\Temp\1ca18b6a656dba64eca29fb9607e0556.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\Cwoqaa.exe
  C:\Windows\Cwoqaa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\Cwoqaa.exe

Filesize
123KB

MD5
1ca18b6a656dba64eca29fb9607e0556

SHA1
993923a2981223d7d32a4a0f6fde424c07b4c5a8

SHA256
e2087ba92c46f46e0293f6040a1bbbc29558693ba295072fd7056431b291d594

SHA512
3eee6edf517eb925baebb5057e2e5e1194327c690d4a619483635e4785f4985e81f82c4ec865d849715eff68281a4778a603da624c23ed5814b54fb3874b36f3

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

Filesize
344B

MD5
a83e3664e307728f39dca8c8cc964557

SHA1
1da1f4a3a613e703870b21c00a9d4d6614ed63ed

SHA256
96638f283aa953492e7c48f77761a87f5b110874b0ff6042515ea2848789c123

SHA512
df0b6baa60aaff7fa81fed0122138be170360115878b892b6b50a13dcaf5ddb36547caf89fc617ec1633f0376d655450501855e71abf61b794c93870e6da6d7a

Download Submit
memory/2720-11069-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-19801-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-46814-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-46812-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-9139-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-46811-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-46810-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-25671-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-25673-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-38633-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-46809-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-1-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-11068-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-0-0x00000000002E0000-0x000000000030C000-memory.dmp

Filesize
176KB

Download