d716405069c8a4fc420fb1c74d740700ed4fa4cdb62803e4bd95df02b570e2a0

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 15:19 UTC

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General

Target

28c444698b7a9dedcb904eb57a5cea7b.exe
Size

40KB
MD5

28c444698b7a9dedcb904eb57a5cea7b
SHA1

8d6bf88cae8907121a65d14b538e40afee3e4f3b
SHA256

d716405069c8a4fc420fb1c74d740700ed4fa4cdb62803e4bd95df02b570e2a0
SHA512

351bd4d17da2b25d9844d83d81b99b49dffc233eb8b8ef97a0b74c36f8de4ff7729e43518032cecdac4dec6dfee8827f4096ce2981854dd4eb7fca02e6325f8c
SSDEEP

768:aq9m/ZsybSg2ts4L3RLc/qjhsKmHbk1+qJ0UtHoYQSK:aqk/Zdic/qjh8w19JDHoP

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2996	services.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000d000000012716-7.dat	upx
behavioral1/memory/2996-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-17-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-23-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-72-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2996-75-0x0000000000400000-0x0000000000408000-memory.dmp	upx

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"	28c444698b7a9dedcb904eb57a5cea7b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	28c444698b7a9dedcb904eb57a5cea7b.exe
File opened for modification	C:\Windows\java.exe	28c444698b7a9dedcb904eb57a5cea7b.exe
File created	C:\Windows\java.exe	28c444698b7a9dedcb904eb57a5cea7b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2996	3048	28c444698b7a9dedcb904eb57a5cea7b.exe	28
PID 3048 wrote to memory of 2996	3048	28c444698b7a9dedcb904eb57a5cea7b.exe	28
PID 3048 wrote to memory of 2996	3048	28c444698b7a9dedcb904eb57a5cea7b.exe	28
PID 3048 wrote to memory of 2996	3048	28c444698b7a9dedcb904eb57a5cea7b.exe	28

C:\Users\Admin\AppData\Local\Temp\28c444698b7a9dedcb904eb57a5cea7b.exe
"C:\Users\Admin\AppData\Local\Temp\28c444698b7a9dedcb904eb57a5cea7b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2996

Network

DNS

alumni.caltech.edu

28c444698b7a9dedcb904eb57a5cea7b.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

28c444698b7a9dedcb904eb57a5cea7b.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

104.47.66.10

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

IN A

104.47.59.138
DNS

gzip.org

28c444698b7a9dedcb904eb57a5cea7b.exe

Remote address:

8.8.8.8:53

Request

gzip.org

IN MX

Response

gzip.org

IN MX

�
DNS

gzip.org

28c444698b7a9dedcb904eb57a5cea7b.exe

Remote address:

8.8.8.8:53

Request

gzip.org

IN A

Response

gzip.org

IN A

85.187.148.2
DNS

alumni.caltech.edu

28c444698b7a9dedcb904eb57a5cea7b.exe

Remote address:

8.8.8.8:53

Request

alumni.caltech.edu

IN A

Response

alumni.caltech.edu

IN A

75.2.70.75

alumni.caltech.edu

IN A

99.83.190.102
DNS

alumni.caltech.edu

28c444698b7a9dedcb904eb57a5cea7b.exe

Remote address:

8.8.8.8:53

Request

alumni.caltech.edu

IN A

192.168.4.90:1034

services.exe

152 B
3
4.240.78.69:1034

services.exe

152 B
3
24.95.227.78:1034

services.exe

152 B
3
207.59.216.146:1034

services.exe

152 B
3
14.96.41.90:1034

services.exe

152 B
3
10.12.247.108:1034

services.exe

152 B
3
104.47.66.10:25

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

28c444698b7a9dedcb904eb57a5cea7b.exe

152 B
3
85.187.148.2:25

gzip.org

28c444698b7a9dedcb904eb57a5cea7b.exe

152 B
3
16.37.50.108:1034

services.exe

152 B
3
85.187.148.2:25

gzip.org

28c444698b7a9dedcb904eb57a5cea7b.exe

104 B
2
75.2.70.75:25

alumni.caltech.edu

28c444698b7a9dedcb904eb57a5cea7b.exe

104 B
2
16.25.209.201:1034

services.exe

52 B
1

8.8.8.8:53

alumni.caltech.edu

dns

28c444698b7a9dedcb904eb57a5cea7b.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

28c444698b7a9dedcb904eb57a5cea7b.exe

92 B
124 B
1
1

DNS Request

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

DNS Response

104.47.66.10

104.47.59.138
8.8.8.8:53

gzip.org

dns

28c444698b7a9dedcb904eb57a5cea7b.exe

54 B
70 B
1
1

DNS Request

gzip.org
8.8.8.8:53

gzip.org

dns

28c444698b7a9dedcb904eb57a5cea7b.exe

54 B
70 B
1
1

DNS Request

gzip.org

DNS Response

85.187.148.2
8.8.8.8:53

alumni.caltech.edu

dns

28c444698b7a9dedcb904eb57a5cea7b.exe

128 B
96 B
2
1

DNS Request

alumni.caltech.edu

DNS Request

alumni.caltech.edu

DNS Response

75.2.70.75

99.83.190.102

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6589.tmp

Filesize
40KB

MD5
b21a65da20068dac989dfc3f077363b3

SHA1
db603b9ae7a68cd6274e480f1b3af9f66cc787f5

SHA256
3a4bb0c0d519184bd407960850075426f1e2cedb22d7e13fea088402533e28fd

SHA512
e06b4315732aabd495a0b19142bc0a5c7eaeb6e4ca89860bb54a4d770c4b25d457c16f5da6314a5029c54e1dd1a8b19362be1e5a8cc09b34ff214f5b886852dc

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

Filesize
1KB

MD5
f3f1f8347d948060f808c73f4b9ec72c

SHA1
3152d77586043f8e89921127d22a5e1bc0e4ecac

SHA256
66efebf2fd48dc98096e2f9471d0be74abded65b5ef44351bfde78269ad30f23

SHA512
186cf0499f72783d52d2007f4479b26deeabbd1c053076568fd9c1f399406a28e47677ccdc80ba011feb60f5baf2144bb4524f623d479f59a5cf856420428230

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2996-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-75-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-72-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-23-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2996-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3048-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3048-0-0x0000000000500000-0x000000000050D000-memory.dmp

Filesize
52KB

Download
memory/3048-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3048-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3048-21-0x0000000000400000-0x0000000000408000-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

DNS Request

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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