ammyyadmin | 0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff

General

Target

0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe
Size

994KB
MD5

710a3728297c33caae605076a3182c46
SHA1

e44ca905bd42e355f93fbadbb2af01e046486a3a
SHA256

0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff
SHA512

539b846be965acdb67bc0bcfb882d7d5b77d79e2bd982cf09d8ed079505f7166222cc08b1a9d90042a54fd2e49cf2e1edf615c8933a6c78afa5af36a35ed5ad6
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxe:7J5gEKNikf3hBfUiWxe

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/0x00090000000120d6-5.dat	family_ammyyadmin

Ammyyadmin family
ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
1528	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1984-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x00090000000120d6-5.dat	upx
behavioral1/memory/1984-9-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/1528-10-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/1528-14-0x0000000000400000-0x0000000000410000-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	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1528	1984	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe	30
PID 1984 wrote to memory of 1528	1984	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe	30
PID 1984 wrote to memory of 1528	1984	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe	30
PID 1984 wrote to memory of 1528	1984	0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe	30

C:\Users\Admin\AppData\Local\Temp\0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe
"C:\Users\Admin\AppData\Local\Temp\0ff043b64ff7becb675b108f6de4accaaff442ec8a4c5f02491f74a96e5a84ff.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- 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:1528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabC5D1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC5E3.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
995KB

MD5
17fd6eb5475bac14a5195fea7baa1a5a

SHA1
0a72b715ae91a799a6492268626d404961bc33d7

SHA256
2eb54d5c454f5f266d5f9751bcd73ead9b455ea52ceca15657d51dd3ca08b561

SHA512
19880c0a0607534f75ff2f9204636eb87cddd84d58e398edb1b62e7c3b98edebc526267760ba4d940e41347499bac647fe0002ad30c7223ef65d34c5e9602ece

Download Submit
memory/1528-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1528-13-0x0000000002AC0000-0x0000000002EC0000-memory.dmp

Filesize
4.0MB

Download
memory/1528-12-0x0000000001E00000-0x0000000001E01000-memory.dmp

Filesize
4KB

Download
memory/1528-14-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1984-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1984-1-0x0000000001D00000-0x0000000001D01000-memory.dmp

Filesize
4KB

Download
memory/1984-3-0x0000000002B10000-0x0000000002F10000-memory.dmp

Filesize
4.0MB

Download
memory/1984-9-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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