ammyyadmin | 792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8c

General

Target

792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe
Size

994KB
MD5

f751a2295024cb156e021fee9c86df40
SHA1

a0cee6ec85b8a3d13e002a42424a7076748dff20
SHA256

792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8c
SHA512

38dafa748a3d9b14a070f63b100975702012cdcf78d83d12af6e2bf0eb809b98ed1be5926c836dafb433bc1df22fdeb0f6f79017dda2fbdccdf08df8733c9f30
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/0x0007000000012117-5.dat	family_ammyyadmin

Ammyyadmin family
ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
3064	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
2084	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2084-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x0007000000012117-5.dat	upx
behavioral1/memory/2084-10-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/3064-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/3064-49-0x0000000000400000-0x0000000000410000-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	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 3064	2084	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe	31
PID 2084 wrote to memory of 3064	2084	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe	31
PID 2084 wrote to memory of 3064	2084	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe	31
PID 2084 wrote to memory of 3064	2084	792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe	31

C:\Users\Admin\AppData\Local\Temp\792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe
"C:\Users\Admin\AppData\Local\Temp\792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- 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:3064

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\CabEF41.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarEF63.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
995KB

MD5
d47c1c65f2260a357cc834c4150a9e09

SHA1
7a64d7974a5c5682cfa265d1c8e7442001ea2ded

SHA256
0de37722827109ab756f8d6b02a059b652b5dd00832e06d476ed500bfcc6e72e

SHA512
a239eb0dc9b40a31d7df77fd95500f50b3fd9fe9a325ea32542f6c49498501e213e1573ecc858617bb2a2117d3452205ceab37a01d645c9630fa21a83be22a83

Download Submit
memory/2084-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2084-1-0x0000000001E10000-0x0000000001E11000-memory.dmp

Filesize
4KB

Download
memory/2084-3-0x0000000002B70000-0x0000000002F70000-memory.dmp

Filesize
4.0MB

Download
memory/2084-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2084-8-0x0000000003360000-0x0000000003370000-memory.dmp

Filesize
64KB

Download
memory/3064-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3064-14-0x0000000002AF0000-0x0000000002EF0000-memory.dmp

Filesize
4.0MB

Download
memory/3064-13-0x0000000001F30000-0x0000000001F31000-memory.dmp

Filesize
4KB

Download
memory/3064-49-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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