mydoom | 4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb

General

Target

4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
Size

29KB
MD5

b5c7d5422b91e3fedd1245db47e3f296
SHA1

f5877064b1d842ba9c9805302b47d585c36a2eef
SHA256

4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb
SHA512

0b8cb108a74e11448777185e20804e6b550c00cdcf7f87a75bd7b5e5c76fafc9c5e0b71386af80d3b694b975b46291712203064b1f7d050264b2fc1a4c0b3e28
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Y:AEwVs+0jNDY1qi/qg

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2232-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2232-43-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2232-64-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2232-68-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2232-70-0x0000000000500000-0x0000000000510200-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
2744	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"	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2232-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x0008000000017051-8.dat	upx
behavioral1/memory/2744-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2232-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2232-18-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/2744-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2744-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2744-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2744-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2744-34-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2744-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2232-43-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2744-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2744-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-59.dat	upx
behavioral1/memory/2232-64-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2744-65-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2232-68-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2744-69-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2232-70-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2744-71-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2744-76-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
File opened for modification	C:\Windows\java.exe	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
File created	C:\Windows\java.exe	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.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	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2744	2232	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe	30
PID 2232 wrote to memory of 2744	2232	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe	30
PID 2232 wrote to memory of 2744	2232	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe	30
PID 2232 wrote to memory of 2744	2232	4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe	30

C:\Users\Admin\AppData\Local\Temp\4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe
"C:\Users\Admin\AppData\Local\Temp\4231cbf6cfa7a3c534b8ed947f06b1e328e4e7ba3afd08b66f2a090bdf1031eb.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- 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:2744

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\tmpA17F.tmp

Filesize
29KB

MD5
53f4027878af421f7b7ce318c008ef20

SHA1
ddcbc129d8f7a6316d69a6507cc805d500118696

SHA256
5cc14e3902a09f50a1e301e9209b8b863c1eac853728d7fc4b305eff443e9d42

SHA512
ce7d389205d72cab7fb1bcaa8f9f2249134d2cfc5f98847aa1d76ccdf1ad65ef48894f7d917b9bd04d412b7c603c02de28c02adb96fe9c3478c58505d548d645

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

Filesize
288B

MD5
da73797fcf421c1cfbf8f25cdc44c6c8

SHA1
b98109d43f0f523cea38dfd1932ee90f4f246f2e

SHA256
8c7ed9ff3dc89ce51913bbc241449c23697fd20397dc2f6c742183caa8b623fd

SHA512
69b2981b601ccb4e89bcbbbb9cf0f95e7bb8a0fdabe993d9c573462bf90e00cdb57281a68ceae5ff73fe93cd383d3ad6f8783dcffa201046f3fc6b739f36fb2d

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2232-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2232-64-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2232-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2232-18-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2232-19-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2232-70-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2232-68-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2232-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2232-10-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2232-43-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2744-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-65-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-69-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-71-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-76-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads