mydoom | 91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1

General

Target

91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe
Size

29KB
MD5

76dc64c4dd0e5784a3914d5679b39560
SHA1

7b1a73b8adcf53377448eb593c6440d7e0958a5b
SHA256

91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1
SHA512

dc3d5b57121258679f852db56c7110c720cee758bea152ee7dffdc7647d073357318e1eed5a388020f199c0fe122c396fced8825b4a9b2ae7b5a85143d0d1116
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Sg:AEwVs+0jNDY1qi/qZ

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 6 IoCs

resource	yara_rule
behavioral1/memory/2120-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2120-36-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2120-60-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2120-64-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2120-69-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2120-76-0x0000000000500000-0x0000000000510200-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
2308	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"	91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2120-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2120-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0016000000018657-7.dat	upx
behavioral1/memory/2308-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2120-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2308-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2308-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2308-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2308-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2308-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2120-36-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2308-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2308-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-52.dat	upx
behavioral1/memory/2120-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2308-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2120-64-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2308-65-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2308-70-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2120-69-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2308-72-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2120-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2308-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe
File opened for modification	C:\Windows\java.exe	91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe
File created	C:\Windows\java.exe	91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.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	91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2308	2120	91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe	30
PID 2120 wrote to memory of 2308	2120	91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe	30
PID 2120 wrote to memory of 2308	2120	91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe	30
PID 2120 wrote to memory of 2308	2120	91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe	30

C:\Users\Admin\AppData\Local\Temp\91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe
"C:\Users\Admin\AppData\Local\Temp\91a4609b21bbbecaac2f94b0073838e74e408209717e173f620eaf2343daa8b1N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- 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:2308

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\tmpCD6F.tmp

Filesize
29KB

MD5
3d7c6414d626e73defe8ce82753983ff

SHA1
f9622ee153c181e85287cae715d4879c7f92c9bb

SHA256
2983260cfe7382806b808d3cc67904728eb0b2b6317cc8e9504827fe54732a3d

SHA512
5b1d86ac898ca1aa0af20d45d8f1d7266a12f86e50bf0b327be306ea92e936e332b0a9f36d46817a6e79b4184e9fd11c5457dd700df3ea5d7e9d3023be178957

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

Filesize
352B

MD5
418038e5d3c93cb84733466ddc8001f7

SHA1
7fcd036775b5a1515e72090247ef2c2c50881889

SHA256
c6824d678c03e6cb7c53a1bcc5e5b0d2ae5d6fa6d7e3b47de6d079b1d1684850

SHA512
0aa8d0bd198a38fc1bc027782f485d059f80f11ac58b74a5ca5ba17f135c029815ed27cb93059d3582d158b310aebe121b694ca09c8a44545cf9ad391ca58c09

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2120-36-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2120-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-69-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-64-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2120-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2120-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2308-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-65-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-70-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-72-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2308-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads