f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853

Analysis

max time kernel
151s
max time network
178s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 22:13

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General

Target

f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
Size

157KB
MD5

96e3f8c7566d2e0a9abc560c261d2969
SHA1

1ce481a9206eb3cf208cb36018b37882a9f83e64
SHA256

f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853
SHA512

38a050e67712538123825a86b0439a4d68e91fac1331bf7367825b32cffc503352352b055f284e9aafad1f9a77c99a2acb68b22ff85b69c11253ca44dc1d64e8
SSDEEP

3072:TpCjtzxD3F0DcmcIn+STVR8fNdUfZKcsgzG9tniBh5NJ3l:azAcdIVxmzGZ1FzGPnet

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1076	Wderua.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	Wderua.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\TBXQRHV4KR = "C:\\Windows\\Wderua.exe"	Wderua.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
File opened for modification	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
File created	C:\Windows\Wderua.exe	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
File opened for modification	C:\Windows\Wderua.exe	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	Wderua.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\International	Wderua.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe
1076	Wderua.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1940	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
1076	Wderua.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1076	1940	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe	27
PID 1940 wrote to memory of 1076	1940	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe	27
PID 1940 wrote to memory of 1076	1940	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe	27
PID 1940 wrote to memory of 1076	1940	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe	27

C:\Users\Admin\AppData\Local\Temp\f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
"C:\Users\Admin\AppData\Local\Temp\f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\Wderua.exe
  C:\Windows\Wderua.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job

Filesize
408B

MD5
b7333f2be977d86a4e4865a208d6eebe

SHA1
d8073eb78ca7e3772d5dbecdb51e3311f04f0fdc

SHA256
48ecd0acee49748d84cb314640baaefc63f835667a314cb908501dacacf160d1

SHA512
144ce5ce8b8bdadeec02cec8e8ee778f258586acd0a5a95d642e47b4eaa8d26fe094bd2485e18045e7dc7ed98edd8b5b75c6dd3af6e8066b372cd6e30c876440

Download Submit
C:\Windows\Wderua.exe

Filesize
157KB

MD5
96e3f8c7566d2e0a9abc560c261d2969

SHA1
1ce481a9206eb3cf208cb36018b37882a9f83e64

SHA256
f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853

SHA512
38a050e67712538123825a86b0439a4d68e91fac1331bf7367825b32cffc503352352b055f284e9aafad1f9a77c99a2acb68b22ff85b69c11253ca44dc1d64e8

Download Submit
memory/1076-60-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1076-63-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1940-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/1940-55-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1940-61-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1940-62-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download