bdb13f03918cd89b53e77c5c4722c2c2f514919f8dd0324a773bcc3ab332c1b2

Analysis

max time kernel
142s
max time network
145s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12-10-2023 18:39

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General

Target

NEAS.0f15768c9eae8db469d4d2247dc4e490_JC.dll
Size

76KB
MD5

0f15768c9eae8db469d4d2247dc4e490
SHA1

a4863d493dcd714ce561eaa675f9071ecb048a9c
SHA256

bdb13f03918cd89b53e77c5c4722c2c2f514919f8dd0324a773bcc3ab332c1b2
SHA512

afb06521ad72234dcf54b9190b6a0db2aaa474ff647f7afe4d982f145449ac66e6c8904d2df14a1a5007a6428d94881524dfd37ad6c44ae0b2044c67226fe535
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z2KkvjT:c8y93KQjy7G55riF1cMo03sKkvH

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2964-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2964-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2964-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2964-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2016	2964	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2964	2088	rundll32.exe	28
PID 2088 wrote to memory of 2964	2088	rundll32.exe	28
PID 2088 wrote to memory of 2964	2088	rundll32.exe	28
PID 2088 wrote to memory of 2964	2088	rundll32.exe	28
PID 2088 wrote to memory of 2964	2088	rundll32.exe	28
PID 2088 wrote to memory of 2964	2088	rundll32.exe	28
PID 2088 wrote to memory of 2964	2088	rundll32.exe	28
PID 2964 wrote to memory of 2016	2964	rundll32.exe	29
PID 2964 wrote to memory of 2016	2964	rundll32.exe	29
PID 2964 wrote to memory of 2016	2964	rundll32.exe	29
PID 2964 wrote to memory of 2016	2964	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0f15768c9eae8db469d4d2247dc4e490_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.0f15768c9eae8db469d4d2247dc4e490_JC.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2964 -s 264
    3⤵
    - Program crash
    PID:2016

Network

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

memory/2964-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2964-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2964-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2964-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download