mydoom | 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0

General

Target

40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe
Size

29KB
MD5

64bffb6b173481167a34dd7f963c12c0
SHA1

648ddfac2b5a42c07c65237ea332383459a3e537
SHA256

40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0
SHA512

4e363b25bed4674f3a64307868edab16f0f274f157e55b6bc454f1b422729601833c07bd7b3fa143d4010f4abc768d61d4d5af0d7ebe930319c090be76bdeb8f
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/iNC:AEwVs+0jNDY1qi/qKNC

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/3964-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3964-46-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3964-120-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/3964-164-0x0000000000500000-0x0000000000510200-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
4340	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"	40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3964-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0007000000023c7e-4.dat	upx
behavioral2/memory/4340-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3964-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4340-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4340-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4340-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4340-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4340-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4340-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4340-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4340-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4340-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3964-46-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4340-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0003000000000707-55.dat	upx
behavioral2/memory/3964-120-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4340-125-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3964-164-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4340-165-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe
File opened for modification	C:\Windows\java.exe	40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe
File created	C:\Windows\java.exe	40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.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	40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 4340	3964	40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe	82
PID 3964 wrote to memory of 4340	3964	40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe	82
PID 3964 wrote to memory of 4340	3964	40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe	82

C:\Users\Admin\AppData\Local\Temp\40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe
"C:\Users\Admin\AppData\Local\Temp\40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3964
- 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:4340

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\Microsoft\Windows\INetCache\IE\FQRZN8O7\search[3].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF817.tmp

Filesize
29KB

MD5
df282e1708d6b208605fc6f41dacf4f5

SHA1
fc6697be40ad8bbf962c7c12692799189484fab2

SHA256
9656a8405f33ca8ce60d7dad2887e44a0e15ff2cc2fc73e53e94c459ea07631e

SHA512
0b7459ee94327c0f9223a459a68537bb5a292df4f30860cff7fc1aa15945fa80067f6695e6eab5d3f96208154cae4153a2066b2ac4c847c73bc31d6d0ed821e3

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

Filesize
352B

MD5
20bf731a2a07ada54174c3da9b102858

SHA1
cef430701ff5197a751626048d870b593721903b

SHA256
ace77315ffa18fdad8a9a0c09bd262d344cd6453cee952d8916a70657d60443d

SHA512
3ed84eb0ca8235c5404664654bc6a92ab5c4cdcdf5a91ba499446300529eee9fb934844f8bea1d7c123bd409835fba4285fa3b680efe79fc395178e7fbfe5f1d

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

Filesize
352B

MD5
cbbde598fa9c09f8fa6063be016d9553

SHA1
59bf666166e3b6d18d53e3743f412fd3d3aff25e

SHA256
4c23d14867e20e5368d73729d4e02ed3d70930686dd3f1839b837391ef123dc1

SHA512
869ddfe32fedb2799e7a91cd3919b9c140a61a794278b2a9dffde0f346d6ffea276b13eea3690de9906e71e47dd34540629806ae06a57187942b7b71b0383d68

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3964-46-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3964-164-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3964-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3964-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3964-120-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4340-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-125-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4340-165-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads