mydoom | b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2b

General

Target

b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe
Size

29KB
MD5

48a24afd1d288487cf1f4eb28a5cc4a0
SHA1

1f844cd02c7f98bd3965223cadd0ab16e475a26f
SHA256

b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2b
SHA512

134541aeadb0afd4b248a4470b5d5d25e75425b4c4fa415290bf9c5f2247c8180147dcc2f1508af1aba34d125bcabfcc2d34212c13db899fd314bac8b5573dbc
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Dh3:AEwVs+0jNDY1qi/qbV

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral2/memory/5008-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/5008-39-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/5008-44-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/5008-129-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/5008-131-0x0000000000500000-0x0000000000510200-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
3232	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"	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.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/5008-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000c000000023b77-4.dat	upx
behavioral2/memory/3232-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5008-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3232-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3232-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3232-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3232-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3232-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3232-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3232-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5008-39-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3232-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5008-44-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3232-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x00030000000220f4-55.dat	upx
behavioral2/memory/5008-129-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3232-130-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5008-131-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3232-132-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3232-137-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe
File opened for modification	C:\Windows\java.exe	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe
File created	C:\Windows\java.exe	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.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	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 3232	5008	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe	82
PID 5008 wrote to memory of 3232	5008	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe	82
PID 5008 wrote to memory of 3232	5008	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe	82

C:\Users\Admin\AppData\Local\Temp\b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe
"C:\Users\Admin\AppData\Local\Temp\b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5008
- 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:3232

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDCB1.tmp

Filesize
29KB

MD5
b96271ead272b274c464857e9770a2e5

SHA1
dbe7421e6416779176180310491bb89af01d586e

SHA256
3c7b8089865414d4f519200defd89d89d2ef2a442409889f3b17c00c48c817a5

SHA512
df70f284c9ce6d216961d062e0f13bab8707f3f445b8687a4edba3a67e21be7e3020029e3d5b4321f4e3ff4b312519c7bcf30580e4fde6d456efe6f8f8dfb15c

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

Filesize
320B

MD5
ebb49dcb3bcfc0626df7f0d59d45178b

SHA1
2ccfd67efad464edd93d43156721057e9317e9a8

SHA256
260e4705b709f032d3f69bb0abcf87b2413efaed5d079a452465a5baccf96b2c

SHA512
d5e977c0ff541e3887cf424ddf32d8a096cbcec8d5673df38d64ea268bfadb78339e1f1927fe3397a1865eeb098e0c504148c8379979b4ad5e1d0c456c82ab8a

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3232-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-137-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-132-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-130-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3232-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5008-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5008-129-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5008-44-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5008-131-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5008-39-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5008-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads