ammyyadmin | eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953

Analysis

max time kernel
148s
max time network
196s
platform
windows7_x64
resource
win7v20210408
submitted
06-09-2021 06:40

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General

Target

eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953.exe
Size

941KB
MD5

4764bfca9ee54dd8aa68ee903dfcc410
SHA1

c4a3aaa80063f2a6024b7ccc2179ffe593544a47
SHA256

eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953
SHA512

33852223eab7f5ff0d8759301e11a58765772a16e15b566b20f8892f718cf0ca059b0fbecb2e6a77e7003cc4180836afa9d7b924783053ae4912e2b3a9d44a75

Score

10^/10

ammyyadmin rat

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin Payload 3 IoCs

resource	yara_rule
behavioral1/files/0x00040000000130d3-60.dat	family_ammyyadmin
behavioral1/files/0x00040000000130d3-62.dat	family_ammyyadmin
behavioral1/files/0x00040000000130d3-64.dat	family_ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
1648	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
980	eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 1648	980	eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953.exe	29
PID 980 wrote to memory of 1648	980	eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953.exe	29
PID 980 wrote to memory of 1648	980	eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953.exe	29
PID 980 wrote to memory of 1648	980	eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953.exe	29

C:\Users\Admin\AppData\Local\Temp\eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953.exe
"C:\Users\Admin\AppData\Local\Temp\eb0d18828cbd76d92a2577259a0946a40bc93b251f782c00e8cb59236d5f7953.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:980
- C:\Users\Admin\AppData\Local\Temp\budha.exe
  "C:\Users\Admin\AppData\Local\Temp\budha.exe"
  2⤵
  - Executes dropped EXE
  PID:1648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/980-59-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/980-65-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/980-66-0x0000000002710000-0x0000000002B10000-memory.dmp

Filesize
4.0MB

Download
memory/1648-67-0x0000000001EF0000-0x0000000001EF1000-memory.dmp

Filesize
4KB

Download
memory/1648-68-0x00000000028E0000-0x0000000002CE0000-memory.dmp

Filesize
4.0MB

Download