amadey | 6b4a1d8fe24abe5c3936d87f69884eccba240ff6481a64e70f1ccca475f6c5cb

Analysis

max time kernel
103s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07/12/2022, 00:43

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General

Target
file.exe
Size 421KB
Sample221207-a2xjwsab63
SHA256 6b4a1d8fe24abe5c3936d87f69884eccba240ff6481a64e70f1ccca475f6c5cb
MD5 d000aab2aea8a5764491aa6539e3b1bd
SHA1 7f3528d6be82d68bd82f87e4c79457a7afdc7895
SHA512 4bd698dce4d96bf52933b4b55a4d63098cfd8db6ce2336f3eaac9d26c5681eaa9b25b9ee16ac4ac7d4ce8df0fa47fdd524891aff2850f8f33a3c2c9c38cdc8de
SSDEEP 6144:9OHGxLBuuUCT8jUvGPQjKWI5J+qWcoBlC9mcaXaVe:9JNuuUCTMUnjmmcWCgcK3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.50

77.73.133.72/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 4 IoCs

resource	yara_rule
behavioral2/files/0x0006000000022e31-148.dat	amadey_cred_module
behavioral2/memory/880-151-0x00000000009B0000-0x00000000009D4000-memory.dmp	amadey_cred_module
behavioral2/files/0x0006000000022e31-150.dat	amadey_cred_module
behavioral2/files/0x0006000000022e31-149.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
39	880	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
4424	gntuud.exe
4788	gntuud.exe
2816	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 2 IoCs

pid	Process
880	rundll32.exe
880	rundll32.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	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

pid	pid_target	Process	procid_target
1948	2340	WerFault.exe	81
4192	4788	WerFault.exe	94
2888	2816	WerFault.exe	98

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

pid	Process
2904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
880	rundll32.exe
880	rundll32.exe
880	rundll32.exe
880	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 4424	2340	file.exe	82
PID 2340 wrote to memory of 4424	2340	file.exe	82
PID 2340 wrote to memory of 4424	2340	file.exe	82
PID 4424 wrote to memory of 2904	4424	gntuud.exe	85
PID 4424 wrote to memory of 2904	4424	gntuud.exe	85
PID 4424 wrote to memory of 2904	4424	gntuud.exe	85
PID 4424 wrote to memory of 880	4424	gntuud.exe	97
PID 4424 wrote to memory of 880	4424	gntuud.exe	97
PID 4424 wrote to memory of 880	4424	gntuud.exe	97

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	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:2340
- C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
  "C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4424
- - 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\ecaac49691\gntuud.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:2904
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 1136
  2⤵
  - Program crash
  PID:1948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2340 -ip 2340
1⤵
PID:1128

C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
1⤵
- Executes dropped EXE
PID:4788
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 416
  2⤵
  - Program crash
  PID:4192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4788 -ip 4788
1⤵
PID:644

C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
1⤵
- Executes dropped EXE
PID:2816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 424
  2⤵
  - Program crash
  PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2816 -ip 2816
1⤵
PID:3516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
Size 421KB
SHA256 6b4a1d8fe24abe5c3936d87f69884eccba240ff6481a64e70f1ccca475f6c5cb
MD5 d000aab2aea8a5764491aa6539e3b1bd
SHA1 7f3528d6be82d68bd82f87e4c79457a7afdc7895
SHA512 4bd698dce4d96bf52933b4b55a4d63098cfd8db6ce2336f3eaac9d26c5681eaa9b25b9ee16ac4ac7d4ce8df0fa47fdd524891aff2850f8f33a3c2c9c38cdc8de
SSDEEP 6144:9OHGxLBuuUCT8jUvGPQjKWI5J+qWcoBlC9mcaXaVe:9JNuuUCTMUnjmmcWCgcK3
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
Size 421KB
SHA256 6b4a1d8fe24abe5c3936d87f69884eccba240ff6481a64e70f1ccca475f6c5cb
MD5 d000aab2aea8a5764491aa6539e3b1bd
SHA1 7f3528d6be82d68bd82f87e4c79457a7afdc7895
SHA512 4bd698dce4d96bf52933b4b55a4d63098cfd8db6ce2336f3eaac9d26c5681eaa9b25b9ee16ac4ac7d4ce8df0fa47fdd524891aff2850f8f33a3c2c9c38cdc8de
SSDEEP 6144:9OHGxLBuuUCT8jUvGPQjKWI5J+qWcoBlC9mcaXaVe:9JNuuUCTMUnjmmcWCgcK3
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
Size 421KB
SHA256 6b4a1d8fe24abe5c3936d87f69884eccba240ff6481a64e70f1ccca475f6c5cb
MD5 d000aab2aea8a5764491aa6539e3b1bd
SHA1 7f3528d6be82d68bd82f87e4c79457a7afdc7895
SHA512 4bd698dce4d96bf52933b4b55a4d63098cfd8db6ce2336f3eaac9d26c5681eaa9b25b9ee16ac4ac7d4ce8df0fa47fdd524891aff2850f8f33a3c2c9c38cdc8de
SSDEEP 6144:9OHGxLBuuUCT8jUvGPQjKWI5J+qWcoBlC9mcaXaVe:9JNuuUCTMUnjmmcWCgcK3
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
Size 421KB
SHA256 6b4a1d8fe24abe5c3936d87f69884eccba240ff6481a64e70f1ccca475f6c5cb
MD5 d000aab2aea8a5764491aa6539e3b1bd
SHA1 7f3528d6be82d68bd82f87e4c79457a7afdc7895
SHA512 4bd698dce4d96bf52933b4b55a4d63098cfd8db6ce2336f3eaac9d26c5681eaa9b25b9ee16ac4ac7d4ce8df0fa47fdd524891aff2850f8f33a3c2c9c38cdc8de
SSDEEP 6144:9OHGxLBuuUCT8jUvGPQjKWI5J+qWcoBlC9mcaXaVe:9JNuuUCTMUnjmmcWCgcK3
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
Size 126KB
SHA256 5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0
MD5 349b2b47fef50fa6a1fc19d0ee4b2db8
SHA1 077f4328b3f060a9f010b1a63d9e127d24ddafd4
SHA512 83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773
SSDEEP 3072:ox7pOYzBekTRmWDWCMq6As523HeS9FAiZ87vO2rlL3RnG9:ox7ZNhTR/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
Size 126KB
SHA256 5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0
MD5 349b2b47fef50fa6a1fc19d0ee4b2db8
SHA1 077f4328b3f060a9f010b1a63d9e127d24ddafd4
SHA512 83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773
SSDEEP 3072:ox7pOYzBekTRmWDWCMq6As523HeS9FAiZ87vO2rlL3RnG9:ox7ZNhTR/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
Size 126KB
SHA256 5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0
MD5 349b2b47fef50fa6a1fc19d0ee4b2db8
SHA1 077f4328b3f060a9f010b1a63d9e127d24ddafd4
SHA512 83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773
SSDEEP 3072:ox7pOYzBekTRmWDWCMq6As523HeS9FAiZ87vO2rlL3RnG9:ox7ZNhTR/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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memory/880-151-0x00000000009B0000-0x00000000009D4000-memory.dmp

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memory/2340-139-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/2340-133-0x00000000004C0000-0x00000000005C0000-memory.dmp

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memory/2340-135-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/2340-134-0x00000000008D0000-0x000000000090E000-memory.dmp

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memory/2816-154-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/2816-153-0x000000000048A000-0x00000000004A9000-memory.dmp

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memory/4424-143-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/4424-142-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/4424-141-0x0000000000626000-0x0000000000645000-memory.dmp

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memory/4788-146-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/4788-145-0x000000000069A000-0x00000000006B9000-memory.dmp

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