amadey | 81dd136301ccf79e39d70732c75d77eaf008868bfe4b9ad45177c04c5dba33c0

Analysis

max time kernel
127s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2022, 10:31

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General

Target
ed16877abadf55e19c92d02bb013eb6e.exe
Size 359KB
Sample221101-mkc55saha6
SHA256 81dd136301ccf79e39d70732c75d77eaf008868bfe4b9ad45177c04c5dba33c0
MD5 ed16877abadf55e19c92d02bb013eb6e
SHA1 6967bcda8f0cfe3c32d841082e6a9dcd4c7ce9cf
SHA512 c48dad5f8fa18c1acbd64c766a5601a5f7fc81100418c62cee1ec89cabf1a2f5d557d54c674fc9916fa6960f2907081bf17dce1523b77628adeb21e58c9d74f1
SSDEEP 6144:PwYSuXJStqGc0/qa71ZVLosdT3Ctl7ITsq:PwYlXJS5yAZGsBM7
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Signatures

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

Detect Amadey credential stealer module 2 IoCs

resource	yara_rule
behavioral2/files/0x0002000000021c20-149.dat	amadey_cred_module
behavioral2/files/0x0002000000021c20-150.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
33	3292	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2840	rovwer.exe
5012	rovwer.exe
2056	rovwer.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	ed16877abadf55e19c92d02bb013eb6e.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	rovwer.exe

Loads dropped DLL 1 IoCs

pid	Process
3292	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-1-5-21-2891029575-1462575-1165213807-1000\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
3980	4232	WerFault.exe	79
3792	5012	WerFault.exe	92
3644	2056	WerFault.exe	96

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
2968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 2840	4232	ed16877abadf55e19c92d02bb013eb6e.exe	84
PID 4232 wrote to memory of 2840	4232	ed16877abadf55e19c92d02bb013eb6e.exe	84
PID 4232 wrote to memory of 2840	4232	ed16877abadf55e19c92d02bb013eb6e.exe	84
PID 2840 wrote to memory of 2968	2840	rovwer.exe	89
PID 2840 wrote to memory of 2968	2840	rovwer.exe	89
PID 2840 wrote to memory of 2968	2840	rovwer.exe	89
PID 2840 wrote to memory of 3292	2840	rovwer.exe	95
PID 2840 wrote to memory of 3292	2840	rovwer.exe	95
PID 2840 wrote to memory of 3292	2840	rovwer.exe	95

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\ed16877abadf55e19c92d02bb013eb6e.exe
"C:\Users\Admin\AppData\Local\Temp\ed16877abadf55e19c92d02bb013eb6e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
  "C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:2968
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:3292
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 884
  2⤵
  - Program crash
  PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4232 -ip 4232
1⤵
PID:4612

C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
1⤵
- Executes dropped EXE
PID:5012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 428
  2⤵
  - Program crash
  PID:3792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 5012 -ip 5012
1⤵
PID:4568

C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
1⤵
- Executes dropped EXE
PID:2056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 180
  2⤵
  - Program crash
  PID:3644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2056 -ip 2056
1⤵
PID:4984

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

rovwer.exe

Path C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
Size 359KB
SHA256 81dd136301ccf79e39d70732c75d77eaf008868bfe4b9ad45177c04c5dba33c0
MD5 ed16877abadf55e19c92d02bb013eb6e
SHA1 6967bcda8f0cfe3c32d841082e6a9dcd4c7ce9cf
SHA512 c48dad5f8fa18c1acbd64c766a5601a5f7fc81100418c62cee1ec89cabf1a2f5d557d54c674fc9916fa6960f2907081bf17dce1523b77628adeb21e58c9d74f1
SSDEEP 6144:PwYSuXJStqGc0/qa71ZVLosdT3Ctl7ITsq:PwYlXJS5yAZGsBM7
MD5 SHA1 SHA512 SSDEEP

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rovwer.exe

Path C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
Size 359KB
SHA256 81dd136301ccf79e39d70732c75d77eaf008868bfe4b9ad45177c04c5dba33c0
MD5 ed16877abadf55e19c92d02bb013eb6e
SHA1 6967bcda8f0cfe3c32d841082e6a9dcd4c7ce9cf
SHA512 c48dad5f8fa18c1acbd64c766a5601a5f7fc81100418c62cee1ec89cabf1a2f5d557d54c674fc9916fa6960f2907081bf17dce1523b77628adeb21e58c9d74f1
SSDEEP 6144:PwYSuXJStqGc0/qa71ZVLosdT3Ctl7ITsq:PwYlXJS5yAZGsBM7
MD5 SHA1 SHA512 SSDEEP

Submit Download

rovwer.exe

Path C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
Size 359KB
SHA256 81dd136301ccf79e39d70732c75d77eaf008868bfe4b9ad45177c04c5dba33c0
MD5 ed16877abadf55e19c92d02bb013eb6e
SHA1 6967bcda8f0cfe3c32d841082e6a9dcd4c7ce9cf
SHA512 c48dad5f8fa18c1acbd64c766a5601a5f7fc81100418c62cee1ec89cabf1a2f5d557d54c674fc9916fa6960f2907081bf17dce1523b77628adeb21e58c9d74f1
SSDEEP 6144:PwYSuXJStqGc0/qa71ZVLosdT3Ctl7ITsq:PwYlXJS5yAZGsBM7
MD5 SHA1 SHA512 SSDEEP

Submit Download

rovwer.exe

Path C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
Size 359KB
SHA256 81dd136301ccf79e39d70732c75d77eaf008868bfe4b9ad45177c04c5dba33c0
MD5 ed16877abadf55e19c92d02bb013eb6e
SHA1 6967bcda8f0cfe3c32d841082e6a9dcd4c7ce9cf
SHA512 c48dad5f8fa18c1acbd64c766a5601a5f7fc81100418c62cee1ec89cabf1a2f5d557d54c674fc9916fa6960f2907081bf17dce1523b77628adeb21e58c9d74f1
SSDEEP 6144:PwYSuXJStqGc0/qa71ZVLosdT3Ctl7ITsq:PwYlXJS5yAZGsBM7
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
Size 126KB
SHA256 351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
MD5 522adad0782501491314a78c7f32006b
SHA1 e487edceeef3a41e2a8eea1e684bcbc3b39adb97
SHA512 5f8a103deea3ed5f8641d1f4c91a4f891a8208b679cadbfac4a068afbad0d2f777cd29ace4bdfec590e722435473e4f8465fb80d5cda792dc0236646580101a7
SSDEEP 3072:ox7pOYzBekEmWDWCMq6As523HeS9FAiZ87vO2rlL3Rnu9:ox7ZNhE/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
Size 126KB
SHA256 351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
MD5 522adad0782501491314a78c7f32006b
SHA1 e487edceeef3a41e2a8eea1e684bcbc3b39adb97
SHA512 5f8a103deea3ed5f8641d1f4c91a4f891a8208b679cadbfac4a068afbad0d2f777cd29ace4bdfec590e722435473e4f8465fb80d5cda792dc0236646580101a7
SSDEEP 3072:ox7pOYzBekEmWDWCMq6As523HeS9FAiZ87vO2rlL3Rnu9:ox7ZNhE/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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memory/2056-152-0x0000000002CB4000-0x0000000002CD3000-memory.dmp

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memory/2056-153-0x0000000000400000-0x0000000002C48000-memory.dmp

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memory/2056-154-0x0000000000400000-0x0000000002C48000-memory.dmp

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memory/2840-141-0x0000000002DA3000-0x0000000002DC2000-memory.dmp

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memory/2840-143-0x0000000000400000-0x0000000002C48000-memory.dmp

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memory/2840-144-0x0000000000400000-0x0000000002C48000-memory.dmp

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memory/4232-132-0x0000000002F52000-0x0000000002F71000-memory.dmp

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memory/4232-140-0x0000000000400000-0x0000000002C48000-memory.dmp

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memory/4232-139-0x0000000002EB0000-0x0000000002EEE000-memory.dmp

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memory/4232-138-0x0000000002F52000-0x0000000002F71000-memory.dmp

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memory/4232-134-0x0000000000400000-0x0000000002C48000-memory.dmp

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memory/4232-133-0x0000000002EB0000-0x0000000002EEE000-memory.dmp

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memory/5012-146-0x0000000002EE4000-0x0000000002F03000-memory.dmp

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memory/5012-147-0x0000000000400000-0x0000000002C48000-memory.dmp

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