92adf52b3b33c6520246cb0376c88fc0bc99da5e09a7888df8ca6ef47bee7420

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 00:58

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General

Target

Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe
Size

1.3MB
MD5

dabb9c34debeb158b87fc305b5b35500
SHA1

0e1c01d3652652936a13145910273825ac1fdb47
SHA256

9bad1a9d1124eaaa444e2ed57d9cfaac32448b51aab63474a75aa367b970e75c
SHA512

ac7fb3346aea79083dce335fb0b8b2d6c674e6dfd119732dd7ba83db076ca02f506b8c92efdc858e4eb2ad6e1e88485f8d673f4cb843f8e9ffce3ad9ad632936
SSDEEP

24576:CMv/RfK3j6UqPTUHlrzyOxP2rH5QCQgkagp742NA:i7E4HxR2rZ0gkag54n

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hziexvfyeey = "C:\\Users\\Admin\\AppData\\Roaming\\Hziexvfyeey.exe"	Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4456	1688	WerFault.exe	27

System Location Discovery: System Language Discovery 1 TTPs 1 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	Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1688	Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe
Token: SeDebugPrivilege	1688	Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 4456	1688	Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe	28
PID 1688 wrote to memory of 4456	1688	Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe	28
PID 1688 wrote to memory of 4456	1688	Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe	28
PID 1688 wrote to memory of 4456	1688	Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe	28

C:\Users\Admin\AppData\Local\Temp\Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Cobro_473152503353937937121882933139460361945218628084381001751848317.pdf.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 640
  2⤵
  - Program crash
  PID:4456

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1688-0-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/1688-1-0x0000000000B50000-0x0000000000C9E000-memory.dmp

Filesize
1.3MB

Download
memory/1688-2-0x00000000048D0000-0x00000000049EE000-memory.dmp

Filesize
1.1MB

Download
memory/1688-3-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1688-4-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-5-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-7-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-11-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-13-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-17-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-23-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-21-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-19-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-15-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-9-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-25-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-35-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-43-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-52-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-67-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-65-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-63-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-61-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-59-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-1078-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1688-57-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-55-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-53-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-1079-0x0000000005140000-0x00000000051D8000-memory.dmp

Filesize
608KB

Download
memory/1688-1080-0x00000000047C0000-0x000000000480C000-memory.dmp

Filesize
304KB

Download
memory/1688-49-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-47-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-45-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-41-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-39-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-37-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-33-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-31-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-29-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-27-0x00000000048D0000-0x00000000049E8000-memory.dmp

Filesize
1.1MB

Download
memory/1688-1081-0x0000000004CD0000-0x0000000004D24000-memory.dmp

Filesize
336KB

Download
memory/1688-1083-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/1688-1084-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download