mydoom | b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3be

General

Target

b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe
Size

29KB
MD5

e18ebc2376967d519b4aa83d78c08910
SHA1

039567eade03ad5f2458586d7ce0350767d1f8f5
SHA256

b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3be
SHA512

0b5b769a5f8f3fe05fd0502944f7d8aa15a9c2e3dc6919b02295d0ef1e09d3e86d8e70a82d3843fe4d5dad33a67d2df2fae42a111a8bd8caaa5a5ba6740c94e8
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/B:AEwVs+0jNDY1qi/qJ

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/1696-15-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1696-42-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1696-64-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1696-68-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1696-70-0x0000000000500000-0x0000000000510200-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
1640	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"	b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.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/1696-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1696-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0009000000016a66-9.dat	upx
behavioral1/memory/1696-15-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1640-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1640-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1640-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1640-29-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1640-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1640-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1640-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1696-42-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1640-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-56.dat	upx
behavioral1/memory/1696-64-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1640-65-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1696-68-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1640-69-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1696-70-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1640-71-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1640-76-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe
File opened for modification	C:\Windows\java.exe	b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe
File created	C:\Windows\java.exe	b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.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	b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 1640	1696	b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe	30
PID 1696 wrote to memory of 1640	1696	b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe	30
PID 1696 wrote to memory of 1640	1696	b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe	30
PID 1696 wrote to memory of 1640	1696	b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe	30

C:\Users\Admin\AppData\Local\Temp\b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe
"C:\Users\Admin\AppData\Local\Temp\b9b642c2e932a4f79c6a4906aa838b847c736df16a6b8de149093c9f264ab3beN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696
- 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:1640

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\tmpCEA7.tmp

Filesize
29KB

MD5
7bef9c0270a96925aec89a623097bf28

SHA1
b847cb32fdd0c2e7ac751b28ff56d98ae212b013

SHA256
0ecbcd33ed1ecc248ae4942b4d3426d3c52dfc1adfad7ff5c61bb4cb850d56d9

SHA512
4c44bccfb4ec339b8edb17a30aeca024923d994686d3855714cdf081df970bb4d8bc305df435d50ef6f2683aee174d58bd046a1c2220297c0a656a4c322bec6d

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

Filesize
320B

MD5
403b35e6908a0a0a271aa2f733690b2b

SHA1
5fe8eb37c448836317e0d4b12103a45b47d96f0d

SHA256
a89ba50459df22e7a808d11bd0c8f351da103b95f56cb0ddfba5be7172e12d53

SHA512
6d99e2ef3fbb8c66ecd08a92154c9469ae7b8f48cc1a8ebf0a87d1b755a417c981d13bf5e7842317af180f2b762efc5ce8a0ad4ba8720a13065b89942737316b

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1640-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-65-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-76-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-71-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1640-69-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1696-42-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1696-64-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1696-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1696-68-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1696-15-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1696-70-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1696-16-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1696-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads