mydoom | b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3

General

Target

b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe
Size

29KB
MD5

42e16b3ea346f5d18ca675c7a62cbd90
SHA1

0d8faf7bb2602eb998faa09796b278d8e2c3d7a8
SHA256

b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3
SHA512

f3f5c3245ebc80a73097590ce63afa220edc79ca302bed50ddee1b1784cd5bea38e82121ad0f72f27128cdd46a977718f336de5b261f21afd4a38e674f7b3238
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/X:AEwVs+0jNDY1qi/q/

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/2888-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2888-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2888-125-0x0000000000500000-0x0000000000510200-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
4812	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"	b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2888-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000e000000023b6a-4.dat	upx
behavioral2/memory/4812-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2888-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4812-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2888-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4812-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000707-65.dat	upx
behavioral2/memory/2888-125-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4812-128-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe
File created	C:\Windows\services.exe	b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe
File opened for modification	C:\Windows\java.exe	b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.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	b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 4812	2888	b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe	82
PID 2888 wrote to memory of 4812	2888	b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe	82
PID 2888 wrote to memory of 4812	2888	b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe	82

C:\Users\Admin\AppData\Local\Temp\b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe
"C:\Users\Admin\AppData\Local\Temp\b39abf7efc9f7f00107c20eb05411f80f513ed28359bde1d6948083bdacc81d3N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- 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:4812

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\TTJXD3SW\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA78.tmp

Filesize
29KB

MD5
239e2929d007a38243676c2e2ec8d717

SHA1
a4134129894ff55671212321690e29227f6bd100

SHA256
5817c447e06f0c899d6e41a95d4a67969eb1c07ea00250b297d1e18cad3f6ff3

SHA512
ae3f4b4f478253ac7b6ca2b1678234742a2e9324a792a94b73e652782b0b44026d686933674a5dfcf87eeb625031873324f662c4e0317db6f2b1fc71451d7b99

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

Filesize
320B

MD5
cd2232e124c3a8c58a7d3133480063b5

SHA1
84212c726275fc630e0836d22e7c74781b65311a

SHA256
d60cc585298f802c32f546e6382f7fa04affeaea83538729fcd6d19795a538d7

SHA512
ab690511ea4a3aa3da39e94576d8f00c319309fa33df3e8253e63487401d39b2d5b9f36759b9fbc7f7f3069ff7921f589ea1347ff899624a3b42598414ef1e1b

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2888-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2888-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2888-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2888-125-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4812-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-128-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads