mydoom | 7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5a

General

Target

7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
Size

29KB
MD5

c92e15a997e54ed506a9e5b6c0afa7d0
SHA1

89a06e9e87d66e865acca3a68eef8402a5dcf540
SHA256

7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5a
SHA512

db910018b47aa83844af45ec0093e9703c1943c74d9f5c49ea727a1b69d63d82760d1e544ab12eafdd592d789d635b3d3370f340db8f32cb02ea644a7293a83a
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/g:AEwVs+0jNDY1qi/q4

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2708-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2708-55-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Mydoom family
mydoom

Executes dropped EXE 1 IoCs

pid	Process
2788	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2708-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2708-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0007000000019261-10.dat	upx
behavioral1/memory/2708-9-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2708-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2788-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2708-55-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2788-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x002f000000019203-71.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
File created	C:\Windows\java.exe	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
File created	C:\Windows\services.exe	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe

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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2788	2708	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe	30
PID 2708 wrote to memory of 2788	2708	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe	30
PID 2708 wrote to memory of 2788	2708	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe	30
PID 2708 wrote to memory of 2788	2708	7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe	30

C:\Users\Admin\AppData\Local\Temp\7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe
"C:\Users\Admin\AppData\Local\Temp\7ff4cf9bc49fd99b7fec3a821f6bb1ae4d3041f4926b6a2eda993eaffb9b8c5aN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF7D8.tmp

Filesize
29KB

MD5
049d0c8bfb1f74670f3b3161139a1fcc

SHA1
228d1a69d6f980a0a7ad83eac546a44f8961f2af

SHA256
50155c9548f9480d46c5abd54dc02806379c9149058896802177b970f44a824d

SHA512
0804740df7ca047abaf22ed18d502e23b6bfb8c70b79e9993560e4499404e159db3f8fa776b4215282c9276a28dda5ed8d95204cf11961ab26c9c4c84224fc14

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
288B

MD5
551b4da2c0aa067914983243976915e6

SHA1
50b91d44dbe0f1e6a25d069e5928714023cfecd1

SHA256
5dfade763d88b89869d99bf9512e9d08ab7c199938353709538cf3b6bebd065f

SHA512
1ca817d819e6ba8e20c533e8ddb9d9df357bba2b810be1772b962721264a4a0d294795817bcf9dcb5a0213d6541d4def7723bce242e6a33bd0e4078566dd288d

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2708-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2708-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2708-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2708-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2708-55-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2788-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads