mydoom | 7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795

General

Target

7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
Size

29KB
MD5

95696ae7d1f12e2d8fa244b66ea4d63d
SHA1

d1edfceaf6e71e7df5477252a8de1d5cd21f2309
SHA256

7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795
SHA512

de29a60f647b3751f9decef6d6d3b66ed1da9241be5ef895130f63b3a5f7c1bbc048cce5a93ac368297de915f29a7960b247b6a1c9a54f91d1af030c9115f8dd
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Gx:AEwVs+0jNDY1qi/qux

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 6 IoCs

resource	yara_rule
behavioral1/memory/2204-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2204-43-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2204-48-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2204-69-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2204-71-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2204-76-0x0000000000500000-0x0000000000510200-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
1720	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"	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2204-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0008000000016890-7.dat	upx
behavioral1/memory/1720-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2204-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1720-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1720-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1720-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1720-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1720-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1720-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1720-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2204-43-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1720-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2204-48-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1720-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-59.dat	upx
behavioral1/memory/2204-69-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1720-70-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2204-71-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1720-72-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2204-76-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1720-77-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
File opened for modification	C:\Windows\java.exe	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
File created	C:\Windows\java.exe	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.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	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1720	2204	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe	28
PID 2204 wrote to memory of 1720	2204	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe	28
PID 2204 wrote to memory of 1720	2204	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe	28
PID 2204 wrote to memory of 1720	2204	7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe	28

C:\Users\Admin\AppData\Local\Temp\7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe
"C:\Users\Admin\AppData\Local\Temp\7cffbc791ffba1b3777a1ebdc0ebec20c50d290cc5cb6e2efed3181ce5da6795.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- 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:1720

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\tmpDB34.tmp

Filesize
29KB

MD5
cbcc700f2bfb0371ff0beeb103db609b

SHA1
3cc6c1b8c526adb2a3daca6d21f9a7682e1e705e

SHA256
455d69531193c65b335f915aa7b12a85eaefd5ab93c248a4d5865d27207ba9d9

SHA512
074237e19381ae785302c8aed488c3c11f89f9586171fc8251fc5eb27d40b2529d5ca9d792ee310f078ca852f1d53fb6f9e5f8ccd050971e3a59f35ca70d1502

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

Filesize
352B

MD5
1577a4b05a913d8599b0c21af3374abd

SHA1
5145257827c8e72dc02e1f5ad547924f649adba6

SHA256
edb786f0e24743b41a58ac4307bf4762799fe608713345892428d458fe258574

SHA512
983a368bf9b786ceb9ed3d9f7f25afaaf5a9b94ca8ba16b6015ff0282e6250b129843ed3a4d05a7e641c70c6860eab4a13b02f68d1787893e6193ffe204140c4

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1720-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-72-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-70-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1720-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2204-48-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2204-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2204-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2204-69-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2204-43-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2204-71-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2204-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2204-76-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2204-17-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads