mydoom | b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779

General

Target

b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe
Size

41KB
MD5

02f6e3dd0e7aaa2539fc180c720a6af0
SHA1

9f93afdf072f9de44250c65c03ce0fabda840be8
SHA256

b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779
SHA512

6b0266bb63183c02f84242bcb78af3f2d385c68be404781686155781c1f20978d9bff5d79c2e5002f8d3fad1959d4949c507603ebb77cf0e348b66edd206e23e
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/:AEwVs+0jNDY1qi/q

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2712-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2712-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2712-55-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2712-82-0x0000000000500000-0x0000000000510200-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

2816 services.exe

pid	process
2816	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exeservices.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.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
behavioral1/memory/2712-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2712-3-0x0000000000400000-0x0000000000408000-memory.dmp	upx
C:\Windows\services.exe	upx
behavioral1/memory/2816-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2712-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2816-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2816-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2816-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2816-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2816-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2816-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2816-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2816-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2816-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2816-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2712-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2816-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2712-55-0x0000000000500000-0x0000000000510200-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\tmpF9BD.tmp	upx
behavioral1/memory/2816-83-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2712-82-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe

description	ioc	process
File created	C:\Windows\services.exe	b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe
File opened for modification	C:\Windows\java.exe	b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe
File created	C:\Windows\java.exe	b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.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:

b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exeservices.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe

description	pid	process	target process
PID 2712 wrote to memory of 2816	2712	b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe	services.exe
PID 2712 wrote to memory of 2816	2712	b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe	services.exe
PID 2712 wrote to memory of 2816	2712	b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe	services.exe
PID 2712 wrote to memory of 2816	2712	b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe
"C:\Users\Admin\AppData\Local\Temp\b91eaf20a675289ad526a6199ffadaeaa672f5aa93719b3bbd333bcc27752779N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- 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:2816

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\Temp\tmpF9BD.tmp

Filesize
41KB

MD5
3572986045fbe5451d16f45640fa8947

SHA1
d05e0490e22f9df4084ec400c37538070189e3eb

SHA256
dda208d74e247ea7b61349ecf7ce7ad416d4845b4570df1d7f8b98947ee1541f

SHA512
6d7cac8511d0de36d2b6a2910c81f271c79bf27e718e40cfb462ec6f001efd93f501ea1dc28164b98c06c9030adbd0058b2258ba7b1c38d4067e790d10421589

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

Filesize
128B

MD5
71f4bec93557199c0f9e53ee67355c0f

SHA1
f93276d409e01aaf17ead94004282a5b8e0cf2fa

SHA256
d069e243ba75659486527ee2e5cd0ec5bb9d8468192d4afbc7ea372a39d32b64

SHA512
81700e17e64da0acb54918a9a3ac77ae9e538e9ed68eed16bf9eeddf8e9befdd7378e57994e87ccb539514cde99ea84c2b9a237198706051db82e8f3d818aa84

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

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

Filesize
160B

MD5
296fd5647f9f7949357ca11827466a2e

SHA1
826d2f3d15d780f9e52444212a4862c498d0099d

SHA256
c03c9cb12b5ff6ebd693fbbad59bff207febe4fcae9764a2305a22458384b7c0

SHA512
68f53f10a3abc83299c91429b5f09250da7f5a99976cdf08fd951903b5ace3b17c81508217ae5dd0a395574cda7b8231dd72179a7ba648204c202d34f8e8aa46

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2712-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2712-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2712-82-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2712-3-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2712-55-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2712-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2712-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2816-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-83-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads