cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31/10/2024, 05:36

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General

Target
cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe
Size 254KB
Sample241031-ga3eds1erc
SHA256 cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626
MD5 1fd9f7947213241a383352a257d08925
SHA1 08882444b1d9b86a8ee534b39ba63f54a5539951
SHA512 0a6bc1e5c9122eb58183a874f44e34c2e02b610e9d934782487dca6660b2cf312922a462b75b656a8236dbf2a4f91fa5e8570a25007d286759053db1055cca5d
SSDEEP 6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ38:EeGUA5YZazpXUmZhY8
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2632	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
2840	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe
2632	a1punf5t2of.exe

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\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2632	2840	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe	30
PID 2840 wrote to memory of 2632	2840	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe	30
PID 2840 wrote to memory of 2632	2840	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe	30
PID 2840 wrote to memory of 2632	2840	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe	30
PID 2840 wrote to memory of 2632	2840	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe	30
PID 2840 wrote to memory of 2632	2840	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe	30
PID 2840 wrote to memory of 2632	2840	cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe	30
PID 2632 wrote to memory of 1480	2632	a1punf5t2of.exe	31
PID 2632 wrote to memory of 1480	2632	a1punf5t2of.exe	31
PID 2632 wrote to memory of 1480	2632	a1punf5t2of.exe	31
PID 2632 wrote to memory of 1480	2632	a1punf5t2of.exe	31
PID 2632 wrote to memory of 1480	2632	a1punf5t2of.exe	31
PID 2632 wrote to memory of 1480	2632	a1punf5t2of.exe	31
PID 2632 wrote to memory of 1480	2632	a1punf5t2of.exe	31

C:\Users\Admin\AppData\Local\Temp\cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe
"C:\Users\Admin\AppData\Local\Temp\cfe1acbb9e55ad7a658bef86a48ad870993e2637d55b99105537e42486074626.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
  "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
    "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
    3⤵
    PID:1480

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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a1punf5t2of.exe

Path \Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
Size 254KB
SHA256 e8cfaffc13abcf8deec669f426e8ffe10f1bbd32fa0ac158325afda049767cfb
MD5 1f89adb540d6817b38d509d35b34338b
SHA1 83a392349d590f3148d616c2808d5f79b9431a05
SHA512 aaaa694ada63c79a7a173de0defe8ae53a75d34607dc2425ff09991aaadfe12b361b2b781004d4bf19d1339f6c37cabbad080be536e3f092d75d111fb45a1d85
SSDEEP 6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ3m:EeGUA5YZazpXUmZhYm
MD5 SHA1 SHA512 SSDEEP

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memory/2632-14-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2632-16-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2632-17-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2632-18-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2632-19-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2632-21-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2840-2-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2840-3-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2840-4-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2840-5-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2840-1-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2840-15-0x0000000074740000-0x0000000074CEB000-memory.dmp

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memory/2840-0-0x0000000074741000-0x0000000074742000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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