mydoom | 99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4

General

Target

99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe
Size

29KB
MD5

fca4d8593e6c9ccbd2fbf82e8412fe10
SHA1

f6f277966bff039801133a54f43608c180022dd8
SHA256

99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4
SHA512

a1fc9c58bfd80bc1b1db27b9163e2ccf8f9c37a67d27113945ce0a0982a62db595dbe5ad90fe476ab762bf1281ac57f801dfb8c7d9bde51ba23e84e05f0d7aec
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/NX:AEwVs+0jNDY1qi/ql

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral1/memory/2772-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2772-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2772-77-0x0000000000500000-0x0000000000510200-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
2848	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"	99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.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/2772-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2772-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x002e000000015e5b-7.dat	upx
behavioral1/memory/2848-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2772-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2848-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2848-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2772-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2848-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0015000000015e9a-69.dat	upx
behavioral1/memory/2772-77-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2848-78-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe
File created	C:\Windows\services.exe	99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe
File opened for modification	C:\Windows\java.exe	99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.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	99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2848	2772	99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe	30
PID 2772 wrote to memory of 2848	2772	99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe	30
PID 2772 wrote to memory of 2848	2772	99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe	30
PID 2772 wrote to memory of 2848	2772	99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe	30

C:\Users\Admin\AppData\Local\Temp\99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe
"C:\Users\Admin\AppData\Local\Temp\99df870c5eb74b0edf5aea83009605ad24062bf0bc3d118f7439d9ced0f7b7b4N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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:2848

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\tmpD0C9.tmp

Filesize
29KB

MD5
91051fe87dbab8ce5c1c53fe3adc4178

SHA1
fbe2642594e02609c907ee8b1f6412d4cef82b93

SHA256
b9086e5b8708aee6a61b59a923020dbda3e61f63013e3b82bc18c0bdcd00a6a2

SHA512
feb3b6d9fc13a7237b4292bbf2fcdd67cf51f395ea87de5cc93591a91ffa8739e49defc53b3cac0330baf7680951305cbcff7607d223593c0ce5a8a54f2da1d8

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

Filesize
352B

MD5
c9f98754ceca87cd60a89250732fdc91

SHA1
7d376ab8dddd72602d6d1c25cde21183f6f8ab94

SHA256
d4f0841d9257a7b47ba3c1e1f165a99f686b6256dead26f7ba9f03d8610a19fa

SHA512
b2082bbf6a775dd71f25f088094ffc7c994d0d3f8cd29b932c9c77b5c8682c79fa0cc7de3ded4ad83534f637b19258723e9aeb31d9cd9b52edc5d6364fc856b8

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2772-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2772-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2772-77-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2772-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2772-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2772-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2848-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2848-78-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads