ammyyadmin | ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609

Analysis

max time kernel
129s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/01/2025, 02:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609.exe
Size

976KB
MD5

679425d4dad77902cf06eec729aef764
SHA1

26d2a0f339f508cf508e86c817f0aca53f61c510
SHA256

ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609
SHA512

74344889484c0e2867278a352e36b09cde5de8d984ddf67ca7779072942e3225d656395489b892b7137baaf90f3d59925852d8b34e6a5ed116806babdd4ea609
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxq:7J5gEKNikf3hBfUiWxq

Score

10^/10

ammyyadmin discovery rat upx

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0003000000011ba1-5.dat	family_ammyyadmin

Ammyyadmin family
ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
2736	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2644-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x0003000000011ba1-5.dat	upx
behavioral1/memory/2644-10-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2736-48-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2736	2644	ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609.exe	30
PID 2644 wrote to memory of 2736	2644	ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609.exe	30
PID 2644 wrote to memory of 2736	2644	ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609.exe	30
PID 2644 wrote to memory of 2736	2644	ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609.exe	30

C:\Users\Admin\AppData\Local\Temp\ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609.exe
"C:\Users\Admin\AppData\Local\Temp\ac9ca1ada708e146492076eb2051c874917f65271506caa57e7901e9c46a4609.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\budha.exe
  "C:\Users\Admin\AppData\Local\Temp\budha.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab203F.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2052.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Local\Temp\budha.exe

Filesize
976KB

MD5
375f5cf7661b27f923a4c1566a9949b0

SHA1
66fe777eb0512791d1fd9c0eb346a6da56c6cda5

SHA256
dc4df84f275606e09351cbddcb9b3f3705f2f39d129136dcd90ae77e8ac055f6

SHA512
18a75d610b3d38df5eb24daf32d659bfd42b5ab68890f6945a70d91cb35dcdf037b668ce903873c60409528134360d69f9744bba1f9c740b0051ab4c62ba934b

Download Submit
memory/2644-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2644-1-0x0000000001F10000-0x0000000001F11000-memory.dmp

Filesize
4KB

Download
memory/2644-3-0x0000000002BD0000-0x0000000002FD0000-memory.dmp

Filesize
4.0MB

Download
memory/2644-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2644-8-0x0000000003360000-0x0000000003370000-memory.dmp

Filesize
64KB

Download
memory/2736-13-0x0000000002AE0000-0x0000000002EE0000-memory.dmp

Filesize
4.0MB

Download
memory/2736-12-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2736-48-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download