mydoom | 4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632ab

General

Target

4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
Size

29KB
MD5

d0c774169c2bfecd093a2507f86ba610
SHA1

1dd890147ee491aff6b54ab5191ebb9549d0a72c
SHA256

4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632ab
SHA512

cc07020cb51381ce0fa89e5288bfa97bf28f79a92f039980a8cd6f099c03929f30e2949f9891be01a12649c8b254ab46de2cfd60dcb87aa87d2ec4cfc0ffc0c9
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/8:AEwVs+0jNDY1qi/q0

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2336-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2336-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2336-54-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2336-76-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2336-80-0x0000000000500000-0x0000000000510200-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
1964	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"	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2336-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2336-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000016276-7.dat	upx
behavioral1/memory/1964-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2336-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1964-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1964-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1964-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1964-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1964-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1964-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1964-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1964-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2336-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1964-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2336-54-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1964-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-68.dat	upx
behavioral1/memory/2336-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1964-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1964-81-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2336-80-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
File created	C:\Windows\services.exe	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
File opened for modification	C:\Windows\java.exe	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.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	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 1964	2336	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe	31
PID 2336 wrote to memory of 1964	2336	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe	31
PID 2336 wrote to memory of 1964	2336	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe	31
PID 2336 wrote to memory of 1964	2336	4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe	31

C:\Users\Admin\AppData\Local\Temp\4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe
"C:\Users\Admin\AppData\Local\Temp\4757a9def44ecf5e6fc2564fc47bb70edf1baf781fdcbb7208dc13b007f632abN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336
- 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:1964

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3C77.tmp

Filesize
29KB

MD5
0a6f2c2ea73ac76b7b454df83fcafa68

SHA1
afd6689eed1a79fc96cc0f2fe43c25c02a73a28a

SHA256
b6266361b294feaa0daccdb269ff34622c7217e06a6950988e854494cdffad78

SHA512
a88fd1ef63c7ea0d036bbf701b640523c3253c286fd5108e6fba4ed08784b7c467273c261be50d28b3262a682683456d9146725a3606484d3d47b911a1480fa6

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

Filesize
352B

MD5
fa8bb12f18197bf1229e103b239bcd2e

SHA1
defb68f0c844466473ff1418bf0e373a19c8007b

SHA256
1b2e77552d08dd89d07388ed6875e75d16794cbcce071420e09f749744de3bbf

SHA512
b1ee6f5830b5cb9d688e69fbf7e4fa6e3adba20b3e3e8323ac410f613d1412641d92df130b68903402ce0b9754a5dbf0ba7d8f897d01b01f9b0cffebdf44bba3

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1964-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-81-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1964-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2336-54-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2336-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2336-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2336-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2336-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-80-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads