mydoom | 825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5e

General

Target

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
Size

29KB
MD5

c687de6ba6fa27e5b63e4ddc00fda5e0
SHA1

d1bcd82823e3e88fd5797b54fb5a55d84585bedc
SHA256

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5e
SHA512

f991b456716f0bec88f7f5f2af8500732589fe07fe9be5b9abd6f6c56a2fd6ed723fa180e629eb9117f5118a8bb028250c511d82b50ddc95c4d8e7625f4b0483
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/G3:AEwVs+0jNDY1qi/qe3

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4748-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4748-44-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4748-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4748-180-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4748-214-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Mydoom family
mydoom

Executes dropped EXE 1 IoCs

Processes:

services.exe

pid	Process
5064	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exeservices.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 21 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4748-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x000c000000023bb3-4.dat	upx
behavioral2/memory/4748-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/5064-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4748-44-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4748-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0006000000000034-60.dat	upx
behavioral2/memory/4748-180-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-187-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4748-214-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/5064-215-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe

description	ioc	Process
File created	C:\Windows\services.exe	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
File opened for modification	C:\Windows\java.exe	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
File created	C:\Windows\java.exe	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.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

Processes:

services.exe825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe

description	pid	Process	procid_target
PID 4748 wrote to memory of 5064	4748	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe	83
PID 4748 wrote to memory of 5064	4748	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe	83
PID 4748 wrote to memory of 5064	4748	825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe	83

C:\Users\Admin\AppData\Local\Temp\825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe
"C:\Users\Admin\AppData\Local\Temp\825a3a2f36b151c44d3725c7679b6a8eaa2b4f903b4fb3380595fd1cdbdf1e5eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4748
- 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:5064

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\0TSRVAPX\5KX8K3G8.htm

Filesize
153KB

MD5
32666d5620a0f391ad89d19d7036fdb6

SHA1
1377b36287eebaf816307b246c11eb5a9728903c

SHA256
c29ca85d6e16e661bda294a754ad0696af5495a415c9e60d29cfdfbc2a840e5b

SHA512
d7257223e45f3171bb597860c2e6a6b5236ec13cad2c910d1dd27e45886dfe545ca80aa63dc78077f657a46af8106d5a8e9fff9771eb133e712be24db7913681

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0TSRVAPX\search[3].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9PMCFZKU\search[2].htm

Filesize
141KB

MD5
97fb52a741cc05f298dd20eac6b77425

SHA1
85e8a9025e4c7b8418c03668ffb362e2e2435632

SHA256
8847eca86b3321b423e093125f2120c6799eeeacf151bbc3e905fa28e76ff002

SHA512
e46f25990f499488b483d8ef4e0ae0cca362e64bd0825d931384e620d1146313fa9afd70664e2a52dcf985a88a59448b2ff5f1cb8d7f0ab2e4c21b5d06d9b709

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1EDB.tmp

Filesize
29KB

MD5
5d9ea5e7e0eb710f1fa3e052b3decd8c

SHA1
ec43af29bc8d750f8e66e13770b71b02498641e4

SHA256
c07691d08c486eddca4e846e6805b46eff246ae73a27adea757353877a41b19b

SHA512
8a3f0f9eeebc60a41325b21e2a39ae2f6007d26e4bfeb9b17790a9c8bf5d2232415509674d931638639bf2ee1e114b9397e49e378c7891ca0b27b45ab54334d8

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

Filesize
320B

MD5
a4fa92acb7d3d8e991c3666a3fd23c0d

SHA1
2f5cc1b159050ea4715adfacd4b1cb57cf3e1163

SHA256
5f32b1021052fd99e62edc10b732c67234c6e41ed2f8e539f1763ce4a87836e4

SHA512
e1b900567dbe15683b6dfd1d15de482a0c840bf890c5b0ccf50eeb73babbdff1019194af60ac63cb55543b0298843e9686fd533ae56c20ae36043573892eb939

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

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4748-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4748-180-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4748-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4748-44-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4748-214-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4748-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/5064-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-187-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5064-215-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads