mydoom | 4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4

General

Target

4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe
Size

29KB
MD5

f4ce797e16ba30d5a5ed25bdbcdbe620
SHA1

371dc212a00eba037df0090e871d95437e59d4c3
SHA256

4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4
SHA512

4f657724381aa139bb4c92885924ab1500f2729e909d9107f4894a66db5d4fa4380de9224c9e7cad2cfd1c0f987ec1c97788dcb0e9828264f4565c4356e5b284
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Wh3:AEwVs+0jNDY1qi/qeV

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/3460-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3460-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3460-56-0x0000000000500000-0x0000000000510200-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
1660	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"	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3460-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1660-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0008000000023c9c-4.dat	upx
behavioral2/memory/3460-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1660-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1660-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1660-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1660-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1660-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1660-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1660-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1660-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1660-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1660-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3460-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1660-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3460-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1660-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000709-67.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe
File opened for modification	C:\Windows\java.exe	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe
File created	C:\Windows\java.exe	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.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	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 1660	3460	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe	82
PID 3460 wrote to memory of 1660	3460	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe	82
PID 3460 wrote to memory of 1660	3460	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe	82

C:\Users\Admin\AppData\Local\Temp\4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe
"C:\Users\Admin\AppData\Local\Temp\4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3460
- 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:1660

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\Microsoft\Windows\INetCache\IE\ZA7RG4JF\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp43A8.tmp

Filesize
29KB

MD5
f4ce797e16ba30d5a5ed25bdbcdbe620

SHA1
371dc212a00eba037df0090e871d95437e59d4c3

SHA256
4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4

SHA512
4f657724381aa139bb4c92885924ab1500f2729e909d9107f4894a66db5d4fa4380de9224c9e7cad2cfd1c0f987ec1c97788dcb0e9828264f4565c4356e5b284

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

Filesize
320B

MD5
30ebc8bdbaea3388d4f3c1d314fc6539

SHA1
290c3f677b769c169d12049f40ead46403766063

SHA256
8e4084df3891a4d674cc6187b7d661d4cbc1baffd735b538e7a3f01a86ae1981

SHA512
1a3d070958954aa9d132d272c9d4cd3110ce3d2099941198dd9e3aea96431bb3c3d84ced07406914f82664ffd7d95ff8717264b7d4331db65a74f844c5b9d5bd

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1660-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1660-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3460-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3460-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3460-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3460-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads