mydoom | f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956ea

General

Target

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe
Size

29KB
MD5

fa81f2793842c2243e55133bb4f10930
SHA1

3b9d6acdba1c13634a4161916a5e0cef42b29a3f
SHA256

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956ea
SHA512

fa86448a1dc0b6e0ec45ce8dbb7aabb3ddf1aac341c23067931094ca019497e08d49b03a0a80aa67905d6abf7c745586385c961266033be8db73e009d0cda9a1
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/1:AEwVs+0jNDY1qi/qN

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral1/memory/2968-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2968-56-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2968-78-0x0000000000500000-0x0000000000510200-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
828	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"	f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.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/2968-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2968-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/828-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000014b3c-10.dat	upx
behavioral1/memory/2968-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/828-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/828-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/828-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/828-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/828-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/828-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/828-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/828-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/828-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/828-55-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2968-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/828-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-73.dat	upx
behavioral1/memory/2968-78-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/828-79-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe
File created	C:\Windows\java.exe	f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe
File created	C:\Windows\services.exe	f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.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	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 828	2968	f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe	28
PID 2968 wrote to memory of 828	2968	f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe	28
PID 2968 wrote to memory of 828	2968	f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe	28
PID 2968 wrote to memory of 828	2968	f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe	28

C:\Users\Admin\AppData\Local\Temp\f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe
"C:\Users\Admin\AppData\Local\Temp\f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- 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:828

Network

DNS

alumni.caltech.edu

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

Remote address:

8.8.8.8:53

Request

alumni.caltech.edu

IN MX

Response

alumni.caltech.edu

IN MX

alumni-caltech-edumail protectionoutlookcom
DNS

alumni-caltech-edu.mail.protection.outlook.com

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

Remote address:

8.8.8.8:53

Request

alumni-caltech-edu.mail.protection.outlook.com

IN A

Response

alumni-caltech-edu.mail.protection.outlook.com

IN A

52.101.9.12

alumni-caltech-edu.mail.protection.outlook.com

IN A

52.101.8.36

alumni-caltech-edu.mail.protection.outlook.com

IN A

52.101.9.26

alumni-caltech-edu.mail.protection.outlook.com

IN A

52.101.42.6
DNS

gzip.org

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

Remote address:

8.8.8.8:53

Request

gzip.org

IN MX

Response

gzip.org

IN MX

�
DNS

gzip.org

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

Remote address:

8.8.8.8:53

Request

gzip.org

IN A

Response

gzip.org

IN A

85.187.148.2

10.213.60.59:1034

services.exe

152 B
3
192.168.2.157:1034

services.exe

152 B
3
10.152.243.207:1034

services.exe

152 B
3
10.222.21.129:1034

services.exe

152 B
3
172.16.1.2:1034

services.exe

152 B
3
10.87.149.58:1034

services.exe

152 B
3
52.101.9.12:25

alumni-caltech-edu.mail.protection.outlook.com

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

152 B
3
85.187.148.2:25

gzip.org

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

152 B
3

8.8.8.8:53

alumni.caltech.edu

dns

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

64 B
126 B
1
1

DNS Request

alumni.caltech.edu
8.8.8.8:53

alumni-caltech-edu.mail.protection.outlook.com

dns

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

92 B
156 B
1
1

DNS Request

alumni-caltech-edu.mail.protection.outlook.com

DNS Response

52.101.9.12

52.101.8.36

52.101.9.26

52.101.42.6
8.8.8.8:53

gzip.org

dns

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

54 B
70 B
1
1

DNS Request

gzip.org
8.8.8.8:53

gzip.org

dns

f7785ce0deef3c77982c913d57d81529ede416500a5add880a2102f1e08956eaN.exe

54 B
70 B
1
1

DNS Request

gzip.org

DNS Response

85.187.148.2

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\tmpF4DD.tmp

Filesize
29KB

MD5
c78cfe7a23aab772d8afa2ceed20a85b

SHA1
949ae17716b1c72b8a1611e97dc58a65fae3e9da

SHA256
66a7da48d74b1251b09d536142d9dea5e48682839410e036161be388783b1242

SHA512
df976ab0996dddd1c64b7544b4fb2c293c50a1fc8a80d0bbfb88e201b1a8423af6a8efdf1d61f21c0ac9020736c65ec2fdb48feb2205b1866ba8e46d8b6ae901

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

Filesize
352B

MD5
83ea9f3f27bf57e1c25ab2e36e5cf343

SHA1
74231c1e49b34f4f59e3fead84f0bccedcf699a4

SHA256
a0ce7bf9489065e0191790366541b99846af395e67a8de83179d610636bfc8f7

SHA512
2a3e31765f053c6e43958aade33aeffd934c7ae8a6f2cae34a8125b8dd75a208ffeba6f2e52d053a714f39f37084543e2da6e1680b460f28756171ed19b6f283

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/828-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-79-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/828-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2968-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2968-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2968-18-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2968-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2968-9-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2968-78-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2968-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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