amadey | 2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

General

Target

file.exe
Size

205KB
MD5

72a850ada8fcec699d6a0303642306f6
SHA1

65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37
SHA256

2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4
SHA512

5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea
SSDEEP

3072:CYM9bmaFPDXbh5exdKjNyTZybzhWSGEVCEKRZMHPjUCkD5KwNCwUNmvpX+snId/V:oJDXj6y3YSzwEsiUCkDEQCEvZnId/

Score

10^/10

amadey trojan

Malware Config

Extracted

Family

amadey

Version

3.50

C2

31.41.244.17/hfk3vK9/index.php

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

Detect Amadey credential stealer module 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll	amadey_cred_module
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll	amadey_cred_module

Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

gntuud.exegntuud.exegntuud.exe

pid process

4748 gntuud.exe
4904 gntuud.exe
2648 gntuud.exe

pid	process
4748	gntuud.exe
4904	gntuud.exe
2648	gntuud.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

file.exegntuud.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3492 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

4776 308 WerFault.exe file.exe
624 4904 WerFault.exe gntuud.exe
4188 2648 WerFault.exe gntuud.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1136 schtasks.exe

pid	process
3492	rundll32.exe

pid	pid_target	process	target process
4776	308	WerFault.exe	file.exe
624	4904	WerFault.exe	gntuud.exe
4188	2648	WerFault.exe	gntuud.exe

pid	process
1136	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

file.exegntuud.exe

description	pid	process	target process
PID 308 wrote to memory of 4748	308	file.exe	gntuud.exe
PID 308 wrote to memory of 4748	308	file.exe	gntuud.exe
PID 308 wrote to memory of 4748	308	file.exe	gntuud.exe
PID 4748 wrote to memory of 1136	4748	gntuud.exe	schtasks.exe
PID 4748 wrote to memory of 1136	4748	gntuud.exe	schtasks.exe
PID 4748 wrote to memory of 1136	4748	gntuud.exe	schtasks.exe
PID 4748 wrote to memory of 3492	4748	gntuud.exe	rundll32.exe
PID 4748 wrote to memory of 3492	4748	gntuud.exe	rundll32.exe
PID 4748 wrote to memory of 3492	4748	gntuud.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:308

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4748

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F
3⤵
- Creates scheduled task(s)
PID:1136

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main
3⤵
- Loads dropped DLL
PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 308 -s 904
2⤵
- Program crash
PID:4776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 308 -ip 308
1⤵
PID:4208

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 416
2⤵
- Program crash
PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4904 -ip 4904
1⤵
PID:3992

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:2648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 416
2⤵
- Program crash
PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2648 -ip 2648
1⤵
PID:3200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Filesize
205KB

MD5
72a850ada8fcec699d6a0303642306f6

SHA1
65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

SHA256
2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

SHA512
5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

Download Submit
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Filesize
205KB

MD5
72a850ada8fcec699d6a0303642306f6

SHA1
65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

SHA256
2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

SHA512
5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

Download Submit
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Filesize
205KB

MD5
72a850ada8fcec699d6a0303642306f6

SHA1
65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

SHA256
2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

SHA512
5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

Download Submit
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Filesize
205KB

MD5
72a850ada8fcec699d6a0303642306f6

SHA1
65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

SHA256
2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

SHA512
5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

Download Submit
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Filesize
126KB

MD5
adbaf286228c46522e50371c4be31a03

SHA1
a29d644c4663b2e2b2bd92046ba0df629537c297

SHA256
d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

SHA512
74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

Download Submit
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Filesize
126KB

MD5
adbaf286228c46522e50371c4be31a03

SHA1
a29d644c4663b2e2b2bd92046ba0df629537c297

SHA256
d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

SHA512
74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

Download Submit
memory/308-148-0x0000000000CED000-0x0000000000D0C000-memory.dmp

Filesize
124KB

Download
memory/308-135-0x0000000000400000-0x0000000000AE5000-memory.dmp

Filesize
6.9MB

Download
memory/308-134-0x0000000000CED000-0x0000000000D0C000-memory.dmp

Filesize
124KB

Download
memory/308-133-0x0000000000C40000-0x0000000000C7E000-memory.dmp

Filesize
248KB

Download
memory/308-132-0x0000000000CED000-0x0000000000D0C000-memory.dmp

Filesize
124KB

Download
memory/308-149-0x0000000000400000-0x0000000000AE5000-memory.dmp

Filesize
6.9MB

Download
memory/1136-139-0x0000000000000000-mapping.dmp

Download
memory/2648-155-0x0000000000400000-0x0000000000AE5000-memory.dmp

Filesize
6.9MB

Download
memory/2648-151-0x0000000000DD0000-0x0000000000DEF000-memory.dmp

Filesize
124KB

Download
memory/3492-152-0x0000000000000000-mapping.dmp

Download
memory/4748-141-0x0000000000CA0000-0x0000000000CDE000-memory.dmp

Filesize
248KB

Download
memory/4748-144-0x0000000000400000-0x0000000000AE5000-memory.dmp

Filesize
6.9MB

Download
memory/4748-143-0x0000000000D2C000-0x0000000000D4B000-memory.dmp

Filesize
124KB

Download
memory/4748-142-0x0000000000400000-0x0000000000AE5000-memory.dmp

Filesize
6.9MB

Download
memory/4748-136-0x0000000000000000-mapping.dmp

Download
memory/4748-140-0x0000000000D2C000-0x0000000000D4B000-memory.dmp

Filesize
124KB

Download
memory/4904-147-0x0000000000400000-0x0000000000AE5000-memory.dmp

Filesize
6.9MB

Download
memory/4904-146-0x0000000000CF0000-0x0000000000D0F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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