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 6 IoCs

resource	yara_rule
behavioral1/memory/1612-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1612-31-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1612-60-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1612-62-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1612-67-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1612-74-0x0000000000500000-0x0000000000510200-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
1396	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 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1612-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1612-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x00080000000186bb-7.dat	upx
behavioral1/memory/1396-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1612-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1396-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1612-31-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1396-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x001600000001756e-50.dat	upx
behavioral1/memory/1612-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1396-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1612-62-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1396-63-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1612-67-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1396-68-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-73-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1612-74-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1396-75-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1396-80-0x0000000000400000-0x0000000000408000-memory.dmp	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 4 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1396	1612	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe	30
PID 1612 wrote to memory of 1396	1612	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe	30
PID 1612 wrote to memory of 1396	1612	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe	30
PID 1612 wrote to memory of 1396	1612	4cb0acc22a7759a840138a511ba1de4691bfb000e3f2f85912b6a0a34a292bd4N.exe	30

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:1612
- 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:1396

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\tmp5747.tmp

Filesize
29KB

MD5
c3e6ce687b685cabdc80faedd767ec1c

SHA1
d9fca9e521925fd0ede606e7904b80dfb5c7eed0

SHA256
b866e1e651351d90d979c981051f5d5ac5f3246a6533501ba5a83b1eb380d5ed

SHA512
6be1ac6a4b7b1e9fae999216518e0fb0a1d8b167c703fbbda59897546a2fdc07eb3dbf24094b1251c34ca1861bc1e79f37c1a5c54192c7c6c747d2e87f476546

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

Filesize
320B

MD5
f688e46f458fca51e995055f9a3fd997

SHA1
bde3f52580286fe755ec50d5d5d32921865c2ef9

SHA256
4eff4bd35422e98112d98622d368485ebcfb165a2ff908007e222dc61a6a2162

SHA512
af4cf040c323d6b829161ae05b7f81301c885cac6f2cb7a6b4db61b3d40e1a98168bb3541035b7d15570ce6bcd050a8d7b61c944e957937934466bb3f3343c1e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1396-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-75-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-73-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-68-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-80-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1396-63-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1612-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1612-62-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1612-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1612-67-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1612-31-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1612-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1612-74-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1612-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1612-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads