caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1

Analysis

max time kernel
150s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 18:09

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General

Target

caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe
Size

170KB
MD5

1278821e57216c73df687e35c1e78714
SHA1

f886c54b552b0c7cddcdc2bc9ac0f5b12c1a7268
SHA256

caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1
SHA512

9f3ba0a93501affe8a356199d6605d848c34c3a56564d8b09ada07b7627de29e1966dc3d00cf742d5c2b210910ab7899aadbf9c9e85af9b725001e4f225b6ad4
SSDEEP

3072:T7zy6o1J5KnjGO+uMqlSYAbnHyZKcZ0idKGSQQRbABg:faO+uMqMnHyYKdU

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4060	Ewujea.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe
File created	C:\Windows\Ewujea.exe	caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe
File opened for modification	C:\Windows\Ewujea.exe	caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Ewujea.exe
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Ewujea.exe
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\International	Ewujea.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe
4060	Ewujea.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3804	caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe
4060	Ewujea.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 4060	3804	caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe	84
PID 3804 wrote to memory of 4060	3804	caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe	84
PID 3804 wrote to memory of 4060	3804	caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe	84

C:\Users\Admin\AppData\Local\Temp\caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe
"C:\Users\Admin\AppData\Local\Temp\caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Windows\Ewujea.exe
  C:\Windows\Ewujea.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4060

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\Ewujea.exe

Filesize
170KB

MD5
1278821e57216c73df687e35c1e78714

SHA1
f886c54b552b0c7cddcdc2bc9ac0f5b12c1a7268

SHA256
caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1

SHA512
9f3ba0a93501affe8a356199d6605d848c34c3a56564d8b09ada07b7627de29e1966dc3d00cf742d5c2b210910ab7899aadbf9c9e85af9b725001e4f225b6ad4

Download Submit
C:\Windows\Ewujea.exe

Filesize
170KB

MD5
1278821e57216c73df687e35c1e78714

SHA1
f886c54b552b0c7cddcdc2bc9ac0f5b12c1a7268

SHA256
caa28fd404cf139d5c8205a36a7764e45c49d60a257a7b5cf3e170c1dc3c56f1

SHA512
9f3ba0a93501affe8a356199d6605d848c34c3a56564d8b09ada07b7627de29e1966dc3d00cf742d5c2b210910ab7899aadbf9c9e85af9b725001e4f225b6ad4

Download Submit
C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job

Filesize
426B

MD5
58f7426efcb313b113ac2c28485a1c5a

SHA1
e310664b00c5bcb941f537833f85546a9697ae08

SHA256
e97e85159a9988c360ed2321f564e4d7a15ce9e08ef3a9678fe9489c41081312

SHA512
073ea10a88644e8bd7f6bdd260d55e15e20e64b5243d4fea66f98e735957005920e5718c37ddac53088af7ac0d93faa1c3868795e832f897534a24d8f37a19d9

Download Submit
memory/3804-132-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3804-133-0x0000000000401000-0x0000000000408000-memory.dmp

Filesize
28KB

Download
memory/3804-134-0x00000000001E0000-0x00000000001E9000-memory.dmp

Filesize
36KB

Download
memory/3804-135-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3804-143-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3804-145-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4060-142-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4060-144-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download