mydoom | 8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21

General

Target

8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe
Size

29KB
MD5

5d1b707b4cc1e9a204a931b4d9221b91
SHA1

b8e7fa59075d5d6f0606bfd493a853cf98027241
SHA256

8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21
SHA512

c62f32aec03fcd5d94c53aba618b135e51e9008f29c39cafc8686c53b369fc5cd3020c44d81790b9c67f71b1303ccf20e13ab9f46e0848e72fcc453ef0cec045
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Vq:AEwVs+0jNDY1qi/qA

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral1/memory/2692-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2692-57-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2692-62-0x0000000000500000-0x0000000000510200-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
2804	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"	8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2692-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x0007000000019266-6.dat	upx
behavioral1/memory/2804-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2692-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2804-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-34-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-51-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2804-58-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2692-57-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2804-63-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2692-62-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x0033000000019256-76.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe
File opened for modification	C:\Windows\java.exe	8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe
File created	C:\Windows\java.exe	8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.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	8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2804	2692	8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe	31
PID 2692 wrote to memory of 2804	2692	8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe	31
PID 2692 wrote to memory of 2804	2692	8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe	31
PID 2692 wrote to memory of 2804	2692	8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe	31

C:\Users\Admin\AppData\Local\Temp\8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe
"C:\Users\Admin\AppData\Local\Temp\8f91a5938f400a271e8de98a1095a1fadf6be11f7725ac6bfe39c0954a37dc21.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- 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:2804

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\Temp\tmpA4F9.tmp

Filesize
29KB

MD5
78a2f48b50b8422372c0f56bb60aac46

SHA1
ff6040bac77f34a91b8f1409b1854f296921d0c6

SHA256
90ffda342232ffa85a0740f1b2023e6bc73fd6edaef579f1ae6b28b86fd10bd1

SHA512
45f8609e25eec0482444eda5e33603971726e2ec31120c7da804be0b8de9969bb921929a3074208fc332a49056bf9899279b225f8fbee15a19e26fe84d290ac2

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

Filesize
352B

MD5
0b1777f5a61679efff3825bcaadb8da4

SHA1
89996c8f17280cfa06abd9ddf472fc7c42ce6a70

SHA256
8d36dab12f67a8cb8870d956fd20e462e83a74f832c918f7870f5e0235ab50bf

SHA512
4354124e7dcde7afb4226ca1bc55802531e086b953a742ddf3a225701130e8852073aa9fc71c22a8039e6f9fb549b01eb9e1d482a2283226f435f24ae1b8d095

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2692-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2692-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2692-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2692-62-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2692-57-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2804-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-51-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-63-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2804-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads