ammyyadmin | d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5e

General

Target

d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5eN.exe
Size

1013KB
MD5

d64b1982a74b76baff2ea716f543c250
SHA1

c7cb1c0b7686def8168f42af3cd7a9ce526a0372
SHA256

d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5e
SHA512

b504b363c952221317365f52a72875c2b4b3eba0d12e23e311595eb8917c359369da23a49511cab919a8f2363219e7dc69c100d496cb0f3323d2df4065fd4e54
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxc:7J5gEKNikf3hBfUiWxc

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/0x000d00000001227f-5.dat	family_ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
2820	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
2664	d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5eN.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2664-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x000d00000001227f-5.dat	upx
behavioral1/memory/2664-10-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2820-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2820-85-0x0000000000400000-0x0000000000410000-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	d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2820	2664	d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5eN.exe	31
PID 2664 wrote to memory of 2820	2664	d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5eN.exe	31
PID 2664 wrote to memory of 2820	2664	d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5eN.exe	31
PID 2664 wrote to memory of 2820	2664	d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5eN.exe	31

C:\Users\Admin\AppData\Local\Temp\d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5eN.exe
"C:\Users\Admin\AppData\Local\Temp\d8829f7135eba7a5c35870333582733a5a586d354a82490b69bf1e772118dc5eN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- 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:2820

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\Cab263.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar285.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
1013KB

MD5
ee3b582d0417f60ae2c5e4e528e7f933

SHA1
5e5835b4fac48e13e737357b3666ae8e80a62e9d

SHA256
7de886032660d9144c47904340553c573ddd81edc13e60b3f2e7c47b0e43090b

SHA512
1dad8c6de72df0afa2fd4f07bfc51e5a830f2f7a23c2ee1180d80042b267f38778704bddd22227088d7a2c9c306d1f777b1e839cf224b72d585fa962b11cc690

Download Submit
memory/2664-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2664-1-0x0000000001E40000-0x0000000001E41000-memory.dmp

Filesize
4KB

Download
memory/2664-4-0x0000000002C00000-0x0000000003000000-memory.dmp

Filesize
4.0MB

Download
memory/2664-7-0x0000000001E10000-0x0000000001E20000-memory.dmp

Filesize
64KB

Download
memory/2664-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2820-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2820-12-0x0000000001DF0000-0x0000000001DF1000-memory.dmp

Filesize
4KB

Download
memory/2820-14-0x0000000002B30000-0x0000000002F30000-memory.dmp

Filesize
4.0MB

Download
memory/2820-85-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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