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 6 IoCs

resource	yara_rule
behavioral1/memory/1888-0-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1888-8-0x0000000000220000-0x0000000000228000-memory.dmp	family_mydoom
behavioral1/memory/1888-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1888-52-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1888-54-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1888-75-0x0000000000500000-0x0000000000510200-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
2316	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
behavioral1/memory/1888-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1888-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000015d59-7.dat	upx
behavioral1/memory/1888-8-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/1888-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2316-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2316-48-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1888-52-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2316-53-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1888-54-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2316-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000015ec4-65.dat	upx
behavioral1/memory/1888-75-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2316-76-0x0000000000400000-0x0000000000408000-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 4 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 2316	1888	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe	30
PID 1888 wrote to memory of 2316	1888	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe	30
PID 1888 wrote to memory of 2316	1888	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe	30
PID 1888 wrote to memory of 2316	1888	b2bc421c922fc4241a6d02d9317137855b82b6859995f086ba46a9beb1176d2bN.exe	30

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:1888
- 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:2316

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\tmp2C21.tmp

Filesize
29KB

MD5
eb6e377710ebea0ba007d84e1ce7d461

SHA1
167ea3bd979fab0e83cf4a3e20e3a06af535a257

SHA256
67c6f22ec23b5cba33e2eec9aedf98a6a7351bb1ee262cc09f90892b9d95e310

SHA512
779f1b90d702d31cfc6909bc3ab7e94dfe4e8f1552f08c63f5ff8dfd5c3d4c50ece6a74146e85bd5a86ab7179a4724c0c3a7ff123b720a5566bc10865f18070a

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

Filesize
320B

MD5
5ee5cf6c9c2b4c0192a1df27c59acd78

SHA1
2a6146f1f6ec3d28fe6c2c78878683fe9e0e3eec

SHA256
d5f5e8af72c0c26d2fee4db8cb1a6929609b7682f725a58a4b692a40e49f52b6

SHA512
2551237854451c16e854cb1da81fad8c0340062c39c67535b5ccc570ca0a9bde6ab6274a36270f64b18a37052538d40068c04478b0f1f9050072f49af39a553a

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1888-52-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1888-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1888-75-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1888-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1888-8-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1888-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1888-54-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2316-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-48-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2316-76-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads