mydoom | 8804d9dc86a6b9ed4cfdea499f791517319442a1e03d350e9a6334f23ec9f064

General

Target

55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe
Size

29KB
MD5

3d46ac8079aced2b5ca9e73a85eaf475
SHA1

3ae265e6841eea11346a88e0d63e2b9335ed57d2
SHA256

8804d9dc86a6b9ed4cfdea499f791517319442a1e03d350e9a6334f23ec9f064
SHA512

0a9310124f320d1777f1ce8ce5115957369f952cb77cc344ab5ec952a95f5052ec816029acfd94a0f4f8332ba0b4bd4907914ab9e554a6f11c6bb6f09d88044a
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/vHv:AEwVs+0jNDY1qi/qHP

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral1/memory/2536-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2536-57-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2536-82-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

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

Executes dropped EXE 1 IoCs

pid	Process
2380	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"	55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.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
behavioral1/memory/2536-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2380-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x00060000000193b5-10.dat	upx
behavioral1/memory/2536-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2536-18-0x0000000000230000-0x0000000000238000-memory.dmp	upx
behavioral1/memory/2380-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-34-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-51-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2380-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2536-57-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2380-58-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x00070000000194c4-71.dat	upx
behavioral1/memory/2536-82-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2380-83-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe
File created	C:\Windows\java.exe	55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe
File created	C:\Windows\services.exe	55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.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	55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2380	2536	55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe	31
PID 2536 wrote to memory of 2380	2536	55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe	31
PID 2536 wrote to memory of 2380	2536	55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe	31
PID 2536 wrote to memory of 2380	2536	55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe	31

C:\Users\Admin\AppData\Local\Temp\55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe
"C:\Users\Admin\AppData\Local\Temp\55ea8ee8bdbc2d3a74a52df4598ae8f98b557c9087ec37aa36acd2bcf3a2f621N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- 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:2380

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\tmp76D7.tmp

Filesize
29KB

MD5
d9381ea14a11ad11711e0694717a264b

SHA1
ecc2eed05a37274d30f4f128223880bad8d622f8

SHA256
7e2c438ea23755cf4d09ce1f51a410519456120dc2b9540d0b9356c420a4fd49

SHA512
65713ea681f136661e35aebb3c4205016f61329d9a95fd95e806d7b394ddc7270f0b7611d6d05fb2dc09e665ced440c5f50057dadc2fb8d839c47dd1c1e4e9ae

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

Filesize
320B

MD5
25ccad9d00d4a1352c4590b7e16ec4d9

SHA1
1750d4a13ed0a10443d8b3664374e2ddd4f75e9c

SHA256
2f5e09795c9433ba46bc33bab2618daf6377ed95dceb132277ad4a993ea43d9d

SHA512
a1f0f928b30c300555fd17168adfc50db737953185d0ead82fc3f53e077a1079ccc0454537c2a0e83d646453dc73679d137bcd4b27f080c70f9412d0e27bee7f

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

Filesize
352B

MD5
6dc9e8bdd33728bda98f8aea421b8956

SHA1
e4482ad04dfedec7d59252eccd15b8d2f911e434

SHA256
71cc6db060163fa445ea3d0ad434ea7955225d10a76b2764b56fd97180e8a3b0

SHA512
a1529525e608d98d2635002fdfbe703d8187f603b9aad73b3412207392a2a5ef08aed11bc686fd91cd9a7f4d170fe08f584b87f7e814af75bb8f27fb0db3ee21

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2380-51-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-83-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2536-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2536-8-0x0000000000230000-0x0000000000238000-memory.dmp

Filesize
32KB

Download
memory/2536-57-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2536-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2536-9-0x0000000000230000-0x0000000000238000-memory.dmp

Filesize
32KB

Download
memory/2536-19-0x0000000000230000-0x0000000000238000-memory.dmp

Filesize
32KB

Download
memory/2536-82-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2536-18-0x0000000000230000-0x0000000000238000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads