mydoom | 20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df

General

Target

20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe
Size

29KB
MD5

208bdcfa3fefd98a0206372d43caf6a9
SHA1

34c6a174b8217cd776c3cc71111d3bd446775b6a
SHA256

20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df
SHA512

7ed29b4ce7f19aa754054303a584de6483a7a4d2c862b47f6671b65357867a225aaf16f456bdf1049c94db9615cf46a8b3c939562f35f26df03edb163e22a467
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/NhO:AEwVs+0jNDY1qi/qVw

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/4996-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4996-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4996-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4996-135-0x0000000000500000-0x0000000000510200-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
4500	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\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4996-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000b000000023c71-7.dat	upx
behavioral2/memory/4500-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4996-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4500-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4500-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4996-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4500-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4996-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4500-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000000709-57.dat	upx
behavioral2/memory/4500-136-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4996-135-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe
File created	C:\Windows\services.exe	20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe
File opened for modification	C:\Windows\java.exe	20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.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	20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 4500	4996	20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe	85
PID 4996 wrote to memory of 4500	4996	20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe	85
PID 4996 wrote to memory of 4500	4996	20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe	85

C:\Users\Admin\AppData\Local\Temp\20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe
"C:\Users\Admin\AppData\Local\Temp\20b72fbaf3566c1786e005b651e09fac199ce2a1c4cbf60acf5a79e171ba37df.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996
- 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:4500

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\3DWZNJ32\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp361A.tmp

Filesize
29KB

MD5
df04d6ba7fa452fe2b0ce3302dac886f

SHA1
6fb5901f8cf7957f3863e1d7506a1f82614b4635

SHA256
65ecef1c9b6a026ee5d3c77259e203f46f550c9a997d9de64b57f41469f86da3

SHA512
74ce70cbae310476175fa1ce56e86e5581901efc49e23570a0de60828a58a4fc29ee2ebb993dac5f6d35ef5b1238f8d8c1459aa620bf9e96d6a233ad632e0f73

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

Filesize
320B

MD5
98119f6313b89108a4b41761acb69b0c

SHA1
03d0205ddad41cc8b4d5930f0d64dd460afae98c

SHA256
e66a05be09b667314f4ce247f7e6c5206587af1296f467bd9917d5539eb49fa3

SHA512
b1cee9fd8bb60a70570a343a1bdff09f454d50f1ed4a3f49731103e77a08f37d101270a208e26bf08769eb52c23d41d7153a3638d2a9d0f4903074c2d691dfc9

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

Filesize
320B

MD5
08e0a989067c0cabab7927fc6e9d8894

SHA1
48b1ac422c6d769e70b5e33abf0d5a74ec76ba62

SHA256
d141cc8c6e05d2db148e16c84cf1446516ddc6108dc568c23ac614e69eb260ce

SHA512
aa680465cdbeaa6902a142302bdbf392da2ab55da24001fd915ad3e68e9362caf0193536d92ef57d195279a655aa4309d49d5d20424dfa6c15575478463a4e38

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4500-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-136-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4500-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4996-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4996-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4996-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4996-135-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4996-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads