d26ab01b293b2d439a20d1dffc02a5c9f2523446d811192836e26d370a34d1b4

Analysis

max time kernel
138s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2024 05:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d26ab01b293b2d439a20d1dffc02a5c9f2523446d811192836e26d370a34d1b4.jar
Size

347KB
MD5

21635c271b7446b7e86bb3b447bb91d5
SHA1

959da0fb174a8e4db238d08a3f5076a2f43c0f25
SHA256

d26ab01b293b2d439a20d1dffc02a5c9f2523446d811192836e26d370a34d1b4
SHA512

6b4bb9d3aac718198413704c908715a360030dfffe2b0a0d701b1e6ee492d996864c62601b24abe9968af7e486a8bfdd1adc488d615f4d56b43a5eac670371db
SSDEEP

6144:CL5PakRJyjlhPPLh8+CnL0F0uPKwp1F18cy3PQd74MWM2BGzPZtfJKoCK8eaFDrC:CL5akRJklhHLnDvf1F18hc74w26PVKdw

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1680	regsvr32.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3300	icacls.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1680 set thread context of 224	1680	regsvr32.exe	89

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe
1680	regsvr32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1680	regsvr32.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs

pid	Process
1680	regsvr32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 180 wrote to memory of 3300	180	java.exe	85
PID 180 wrote to memory of 3300	180	java.exe	85
PID 180 wrote to memory of 3272	180	java.exe	87
PID 180 wrote to memory of 3272	180	java.exe	87
PID 3272 wrote to memory of 1680	3272	regsvr32.exe	88
PID 3272 wrote to memory of 1680	3272	regsvr32.exe	88
PID 3272 wrote to memory of 1680	3272	regsvr32.exe	88
PID 1680 wrote to memory of 224	1680	regsvr32.exe	89
PID 1680 wrote to memory of 224	1680	regsvr32.exe	89
PID 1680 wrote to memory of 224	1680	regsvr32.exe	89
PID 1680 wrote to memory of 224	1680	regsvr32.exe	89
PID 1680 wrote to memory of 224	1680	regsvr32.exe	89
PID 1680 wrote to memory of 224	1680	regsvr32.exe	89
PID 1680 wrote to memory of 224	1680	regsvr32.exe	89
PID 1680 wrote to memory of 224	1680	regsvr32.exe	89

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\d26ab01b293b2d439a20d1dffc02a5c9f2523446d811192836e26d370a34d1b4.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:180
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:3300
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 /s C:\Users\Admin\AppData\Local\Temp\\163520.png
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3272
- - C:\Windows\SysWOW64\regsvr32.exe
    /s C:\Users\Admin\AppData\Local\Temp\\163520.png
    3⤵
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    - Suspicious use of WriteProcessMemory
    PID:1680
  - - C:\Windows\SysWOW64\ctfmon.exe
      "C:\Windows\SysWOW64\ctfmon.exe -p 1234"
      4⤵
      PID:224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\163520.png

Filesize
478KB

MD5
8cca982603318de80b079f064ffbe5f1

SHA1
98f371d5bb067d6b7df902b10957fb01ca711468

SHA256
7b1c5147c903892f8888f91c98097c89e419ddcc89958a33e294e6dd192b6d4e

SHA512
d01830992fa6779a38c1d913af41dcf88d8b77d70ee299e4a002ba756d20a5d61ce5364240022a4bbcd44072b59a5000d96c5ce361f0cc7f12b1b077102a4c92

Download Submit
C:\Users\Admin\AppData\Local\Temp\163520.png

Filesize
142KB

MD5
ec357f8b44f7988eb8b2da2b52cdfa35

SHA1
112cc1718d1b7ba2180032be312b046626028262

SHA256
2cb46dc141a8c91c65921446a6ad82c8acf5a620044e61ed3fb11eb5d2035d96

SHA512
1b0874a3d13b9c9cd32094c662fff27101569cc20dc37c0d3a154643b9be4d8358d5b49375e86e5c1e5916c9387c392d6e784ecce14ae38828a02ed09d3f9a47

Download Submit
memory/180-2-0x000002B880000000-0x000002B881000000-memory.dmp

Filesize
16.0MB

Download
memory/180-11-0x000002B8F25F0000-0x000002B8F25F1000-memory.dmp

Filesize
4KB

Download
memory/180-18-0x000002B8F25F0000-0x000002B8F25F1000-memory.dmp

Filesize
4KB

Download
memory/224-22-0x00000000001E0000-0x00000000001F8000-memory.dmp

Filesize
96KB

Download
memory/224-27-0x00000000001E0000-0x00000000001F8000-memory.dmp

Filesize
96KB

Download
memory/1680-21-0x0000000002730000-0x0000000002765000-memory.dmp

Filesize
212KB

Download
memory/1680-31-0x0000000002730000-0x0000000002765000-memory.dmp

Filesize
212KB

Download