mydoom | b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aa

General

Target

b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe
Size

29KB
MD5

59ad9b7de9bf961039bb3f48a2332b40
SHA1

b486761eec7d0c2835d31cfece7ba3cfbb188bc0
SHA256

b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aa
SHA512

0522fee0a291459fbc1f8f18335d55241dc3db743d7679915ea2548840d11b0e8bc7c90180254bfce5e7306ce48df22c1f7bdeb27fd7d40dda0e26ea89fe3111
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/d+:AEwVs+0jNDY1qi/qo

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/4004-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4004-44-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4004-116-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4004-168-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4004-172-0x0000000000500000-0x0000000000510200-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
3356	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"	b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4004-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3356-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0007000000023ca5-4.dat	upx
behavioral2/memory/4004-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3356-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3356-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3356-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3356-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3356-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3356-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3356-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3356-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4004-44-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3356-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000021ed4-58.dat	upx
behavioral2/memory/4004-116-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3356-117-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4004-168-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3356-169-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4004-172-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3356-173-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe
File opened for modification	C:\Windows\java.exe	b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe
File created	C:\Windows\java.exe	b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.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	b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 3356	4004	b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe	83
PID 4004 wrote to memory of 3356	4004	b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe	83
PID 4004 wrote to memory of 3356	4004	b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe	83

C:\Users\Admin\AppData\Local\Temp\b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe
"C:\Users\Admin\AppData\Local\Temp\b4b7270b631943f8a391a033343efc7c4baa8e4de037be891357f81e285991aaN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4004
- 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:3356

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\Microsoft\Windows\INetCache\IE\2YUS9Q6F\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1749.tmp

Filesize
29KB

MD5
b96016d43040a9faa2930ccdec59005d

SHA1
f804c8c259e375b95024532bcb8736355bd0cd14

SHA256
bf81a664c320f5eed589a47e946d1a8d234a6ad40880204e93e427be0b4b8e9b

SHA512
f07e964e376bc9af5f5b7700f1ef7876351a9936857791939f3c26c01960a53e84c7a1b650b51833ce9448547febe6d27b2f0687edf39617005aa4edd846a7d9

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

Filesize
352B

MD5
537bdae68b7bf1d8718df690c036d843

SHA1
8d535c330cf321fcd41cef02ea903860d9eb7e12

SHA256
72e28c1b640b9aee9b60879b3ffc0225390b07057612f52e699cb00956ec659a

SHA512
41752ddf7181212afdcfa2c54172c052a3421b141ef45ad31542a075c043038f68207380311e2746f8981e64203964b3e18aee7f54f0c9edc87066d376dc514c

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3356-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-173-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-169-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3356-117-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4004-116-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4004-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4004-168-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4004-44-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4004-172-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4004-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads