ammyyadmin | e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0f

General

Target

e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe
Size

1013KB
MD5

be03b997f660838862b79d46a8057b90
SHA1

1a35579d883ff4fa46bac552d656f914b35a0238
SHA256

e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0f
SHA512

37837d2ad934d6ebfec69e91e5c4ab97222564f82cbc0a935e54cd74bd0d5ebc4fed9d144d5bca5b784e0612abe502870b55cdf1a81a4ba47db22ccc84b0d2a1
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsx4:7J5gEKNikf3hBfUiWx4

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/0x0007000000012117-5.dat	family_ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
2256	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
2428	e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2428-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x0007000000012117-5.dat	upx
behavioral1/memory/2428-10-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2428-9-0x0000000003360000-0x0000000003370000-memory.dmp	upx
behavioral1/memory/2256-21-0x0000000000400000-0x0000000000410000-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	e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2256	2428	e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe	30
PID 2428 wrote to memory of 2256	2428	e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe	30
PID 2428 wrote to memory of 2256	2428	e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe	30
PID 2428 wrote to memory of 2256	2428	e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe	30

C:\Users\Admin\AppData\Local\Temp\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe
"C:\Users\Admin\AppData\Local\Temp\e767b18f53a8ddbcbbe1b105a6e258099dce097b0de621c017270767aa7efe0fN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- 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:2256

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\CabD22F.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD271.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
1013KB

MD5
071013a2c6dd643793025b10f964cdf2

SHA1
b2b20e7d2ddc209e2b9a5ffb21246c1a11863be2

SHA256
e10f5c17f7ad620d6603d570260f412f0c14dd4e9222950a6642535faac009ac

SHA512
8585985c4625e1405df186308cd78a7d491c61375cdf4dbc4c1990489a006781bd3cea7c1da4db74f8bd0cfb13ee0d7004b196410574de5196dab2d4d072ad83

Download Submit
memory/2256-12-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/2256-13-0x0000000002B90000-0x0000000002F90000-memory.dmp

Filesize
4.0MB

Download
memory/2256-21-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2428-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2428-1-0x0000000001E20000-0x0000000001E21000-memory.dmp

Filesize
4KB

Download
memory/2428-3-0x0000000002AE0000-0x0000000002EE0000-memory.dmp

Filesize
4.0MB

Download
memory/2428-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2428-9-0x0000000003360000-0x0000000003370000-memory.dmp

Filesize
64KB

Download

Analysis

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