cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/03/2024, 02:46

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General

Target

cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b.dll
Size

76KB
MD5

ce4b27c402367d0f73c76418e287f0c6
SHA1

e547ab691f11b573571c1f556b1dec4c96e1e178
SHA256

cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b
SHA512

5ae0eb9d9d3b820595de1f39a56c322ae9048264ae25edf2cd080ecdb30fd076e8bc94f06cf611caae85841d55c886e853fcea08ee214310024953ef26768306
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zsn86DMy:c8y93KQjy7G55riF1cMo03aTB

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/2904-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2904-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2904-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2904-2-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

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/2904-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2904-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2904-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2904-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2948	2904	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2904	2864	rundll32.exe	28
PID 2864 wrote to memory of 2904	2864	rundll32.exe	28
PID 2864 wrote to memory of 2904	2864	rundll32.exe	28
PID 2864 wrote to memory of 2904	2864	rundll32.exe	28
PID 2864 wrote to memory of 2904	2864	rundll32.exe	28
PID 2864 wrote to memory of 2904	2864	rundll32.exe	28
PID 2864 wrote to memory of 2904	2864	rundll32.exe	28
PID 2904 wrote to memory of 2948	2904	rundll32.exe	29
PID 2904 wrote to memory of 2948	2904	rundll32.exe	29
PID 2904 wrote to memory of 2948	2904	rundll32.exe	29
PID 2904 wrote to memory of 2948	2904	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cdb863b505cfdadc50b9ee2f3801627ae96e51be305b92c4756b93ceb41e577b.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 304
    3⤵
    - Program crash
    PID:2948

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/2904-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2904-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2904-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2904-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download