mydoom | 4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab

General

Target

4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe
Size

29KB
MD5

183bc4eeae4c7e8a8d7502d7bd1cf6ce
SHA1

2b3125ebece747df431be96285b8d454514db348
SHA256

4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab
SHA512

6a2279e7ef23ddd14691ec0fcaee053bffe919fb1deb1be4a3eb82aca0eddd12b67fa5de430c6a2df69085918f9642c7b88a39f570f3b1a2af932f878ea7962b
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ghN:AEwVs+0jNDY1qi/qor

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/800-2-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/800-9-0x0000000000220000-0x0000000000228000-memory.dmp	family_mydoom
behavioral1/memory/800-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/800-52-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/800-82-0x0000000000500000-0x0000000000510200-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
2100	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"	4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.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/800-2-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/800-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000015d59-7.dat	upx
behavioral1/memory/800-9-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/800-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2100-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2100-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2100-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2100-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2100-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2100-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2100-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2100-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2100-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/800-52-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2100-53-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2100-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000015ec4-71.dat	upx
behavioral1/memory/800-82-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2100-83-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe
File created	C:\Windows\java.exe	4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe
File created	C:\Windows\services.exe	4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.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	4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2100	800	4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe	30
PID 800 wrote to memory of 2100	800	4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe	30
PID 800 wrote to memory of 2100	800	4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe	30
PID 800 wrote to memory of 2100	800	4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe	30

C:\Users\Admin\AppData\Local\Temp\4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe
"C:\Users\Admin\AppData\Local\Temp\4d5256b3c9462f5d7e6ef532a0dfa56ebd04444115051b101662997a5c7d07ab.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:800
- 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:2100

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\tmp3AB3.tmp

Filesize
29KB

MD5
b3d82822cc784622cebef941e2c76413

SHA1
4e1500162488eba7eccd25b2687c4a9245607d7e

SHA256
f205b8b133468ef711c8324b0262e4bb54252edb1648e41808153aebaeedb35a

SHA512
aebea49dd3d907563f77e2024e5d1f797bf53a447808ffa6794b299bb6250e77b8dec23467d4934f890bf0f97d5e28358ff3abb8aff4f133be7b6d73f48d5d79

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

Filesize
320B

MD5
cc0b88832c63ad38bd595c0e241227b1

SHA1
2766aec14cf348246d5961d3f711e4449535e6a4

SHA256
a4a13a8604ed09a0a8da4491d18b9652c0deb8818282363b31ddc8175e67a989

SHA512
ed8e7ef36342bd38d24b0ebeecfd8ae20ebe46a48cb91dbfe8324f72d3fae8161aa4fed5d4b869eb0debc864b58565f81b1544d69a5b1d4b932b2a63034de46d

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/800-52-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/800-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/800-82-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/800-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/800-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/800-2-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2100-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2100-83-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads