cryptbot | 1bf9a15445a908fdcd7d4a5a0584678a1efb086d1eccbf0ae60393f6be208919

Analysis

max time kernel
130s
max time network
147s
platform
windows10_x64
resource
win10v20210410
submitted
20/05/2021, 15:19

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General

Target
4fc81ed7e14c996685d930fc25d89d0f.exe
Size 743KB
Sample210520-p5v12rtbw2
SHA256 1bf9a15445a908fdcd7d4a5a0584678a1efb086d1eccbf0ae60393f6be208919
MD5 4fc81ed7e14c996685d930fc25d89d0f
SHA1 9133156789a5b0d730c5d059948edc14bfb7ead4
SHA512 aed4771ac1cf483045ec34dd3a791c87af0d04f01082f20babad8ac5af2d5d950de1a7da040f76eb1a39f5a89231e90c33e5cd4aee98b6da97811e48ba518aad
MD5 SHA1 SHA512

Score

10^/10

cryptbot danabot 3 banker discovery spyware stealer trojan

Malware Config

Extracted

Family

cryptbot

sogfvk42.top
mormyv04.top

Attributes

payload_url
http://douive05.top/download.php?file=lv.exe

Extracted

Family

danabot

Version

1827

Botnet

184.95.51.183:443
184.95.51.175:443
192.210.198.12:443
184.95.51.180:443

Attributes

embedded_hash
AEF96B4D339B580ABB737F203C2D0F52

rsa_pubkey.plain

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot

CryptBot Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3184-115-0x0000000000400000-0x00000000004E5000-memory.dmp	family_cryptbot
behavioral2/memory/3184-114-0x00000000020E0000-0x00000000021C1000-memory.dmp	family_cryptbot

Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
trojan banker danabot

Blocklisted process makes network request 5 IoCs

flow	pid	Process
35	3952	RUNDLL32.EXE
37	2584	WScript.exe
39	2584	WScript.exe
41	2584	WScript.exe
43	2584	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 5 IoCs

pid	Process
3464	pEUZly.exe
3332	vpn.exe
3948	4.exe
2504	SmartClock.exe
1444	dkahralcsmh.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk	4.exe

Loads dropped DLL 5 IoCs

pid	Process
3464	pEUZly.exe
4092	rundll32.exe
4092	rundll32.exe
3952	RUNDLL32.EXE
3952	RUNDLL32.EXE

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
22	ip-api.com

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\foler\olader\acppage.dll	pEUZly.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	pEUZly.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	pEUZly.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	4fc81ed7e14c996685d930fc25d89d0f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	4fc81ed7e14c996685d930fc25d89d0f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vpn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vpn.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RUNDLL32.EXE

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1416	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	vpn.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	WScript.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	WScript.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2504	SmartClock.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3932	powershell.exe
3932	powershell.exe
3932	powershell.exe
3952	RUNDLL32.EXE
3952	RUNDLL32.EXE
3184	powershell.exe
3184	powershell.exe
3184	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4092	rundll32.exe
Token: SeDebugPrivilege	3952	RUNDLL32.EXE
Token: SeDebugPrivilege	3932	powershell.exe
Token: SeDebugPrivilege	3184	powershell.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3184	4fc81ed7e14c996685d930fc25d89d0f.exe
3184	4fc81ed7e14c996685d930fc25d89d0f.exe
3952	RUNDLL32.EXE

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 2716	3184	4fc81ed7e14c996685d930fc25d89d0f.exe	79
PID 3184 wrote to memory of 2716	3184	4fc81ed7e14c996685d930fc25d89d0f.exe	79
PID 3184 wrote to memory of 2716	3184	4fc81ed7e14c996685d930fc25d89d0f.exe	79
PID 2716 wrote to memory of 3464	2716	cmd.exe	81
PID 2716 wrote to memory of 3464	2716	cmd.exe	81
PID 2716 wrote to memory of 3464	2716	cmd.exe	81
PID 3464 wrote to memory of 3332	3464	pEUZly.exe	82
PID 3464 wrote to memory of 3332	3464	pEUZly.exe	82
PID 3464 wrote to memory of 3332	3464	pEUZly.exe	82
PID 3464 wrote to memory of 3948	3464	pEUZly.exe	83
PID 3464 wrote to memory of 3948	3464	pEUZly.exe	83
PID 3464 wrote to memory of 3948	3464	pEUZly.exe	83
PID 3184 wrote to memory of 2092	3184	4fc81ed7e14c996685d930fc25d89d0f.exe	84
PID 3184 wrote to memory of 2092	3184	4fc81ed7e14c996685d930fc25d89d0f.exe	84
PID 3184 wrote to memory of 2092	3184	4fc81ed7e14c996685d930fc25d89d0f.exe	84
PID 2092 wrote to memory of 1416	2092	cmd.exe	86
PID 2092 wrote to memory of 1416	2092	cmd.exe	86
PID 2092 wrote to memory of 1416	2092	cmd.exe	86
PID 3948 wrote to memory of 2504	3948	4.exe	87
PID 3948 wrote to memory of 2504	3948	4.exe	87
PID 3948 wrote to memory of 2504	3948	4.exe	87
PID 3332 wrote to memory of 1444	3332	vpn.exe	89
PID 3332 wrote to memory of 1444	3332	vpn.exe	89
PID 3332 wrote to memory of 1444	3332	vpn.exe	89
PID 3332 wrote to memory of 1348	3332	vpn.exe	90
PID 3332 wrote to memory of 1348	3332	vpn.exe	90
PID 3332 wrote to memory of 1348	3332	vpn.exe	90
PID 1444 wrote to memory of 4092	1444	dkahralcsmh.exe	91
PID 1444 wrote to memory of 4092	1444	dkahralcsmh.exe	91
PID 1444 wrote to memory of 4092	1444	dkahralcsmh.exe	91
PID 4092 wrote to memory of 3952	4092	rundll32.exe	92
PID 4092 wrote to memory of 3952	4092	rundll32.exe	92
PID 4092 wrote to memory of 3952	4092	rundll32.exe	92
PID 3952 wrote to memory of 3932	3952	RUNDLL32.EXE	93
PID 3952 wrote to memory of 3932	3952	RUNDLL32.EXE	93
PID 3952 wrote to memory of 3932	3952	RUNDLL32.EXE	93
PID 3332 wrote to memory of 2584	3332	vpn.exe	95
PID 3332 wrote to memory of 2584	3332	vpn.exe	95
PID 3332 wrote to memory of 2584	3332	vpn.exe	95
PID 3952 wrote to memory of 3184	3952	RUNDLL32.EXE	97
PID 3952 wrote to memory of 3184	3952	RUNDLL32.EXE	97
PID 3952 wrote to memory of 3184	3952	RUNDLL32.EXE	97
PID 3184 wrote to memory of 2792	3184	powershell.exe	99
PID 3184 wrote to memory of 2792	3184	powershell.exe	99
PID 3184 wrote to memory of 2792	3184	powershell.exe	99
PID 3952 wrote to memory of 3644	3952	RUNDLL32.EXE	100
PID 3952 wrote to memory of 3644	3952	RUNDLL32.EXE	100
PID 3952 wrote to memory of 3644	3952	RUNDLL32.EXE	100
PID 3952 wrote to memory of 2920	3952	RUNDLL32.EXE	102
PID 3952 wrote to memory of 2920	3952	RUNDLL32.EXE	102
PID 3952 wrote to memory of 2920	3952	RUNDLL32.EXE	102

C:\Users\Admin\AppData\Local\Temp\4fc81ed7e14c996685d930fc25d89d0f.exe
"C:\Users\Admin\AppData\Local\Temp\4fc81ed7e14c996685d930fc25d89d0f.exe"
1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\pEUZly.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Users\Admin\AppData\Local\Temp\pEUZly.exe
    "C:\Users\Admin\AppData\Local\Temp\pEUZly.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:3464
  - - C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe
      "C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe"
      4⤵
      Executes dropped EXE
      Checks processor information in registry
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:3332
    - - C:\Users\Admin\AppData\Local\Temp\dkahralcsmh.exe
        
        "C:\Users\Admin\AppData\Local\Temp\dkahralcsmh.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1444
      - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\DKAHRA~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\DKAHRA~1.EXE
        6⤵
        Loads dropped DLL
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4092
        
        C:\Windows\SysWOW64\RUNDLL32.EXE
        
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\DKAHRA~1.DLL,BwYBZI0g
        7⤵
        Blocklisted process makes network request
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of FindShellTrayWindow
        Suspicious use of WriteProcessMemory
        
        PID:3952
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpDBDF.tmp.ps1"
        8⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3932
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpF015.tmp.ps1"
        8⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3184
        
        C:\Windows\SysWOW64\nslookup.exe
        
        "C:\Windows\system32\nslookup.exe" -type=any localhost
        9⤵
        
        PID:2792
        
        C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
        8⤵
        
        PID:3644
        
        C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
        8⤵
        
        PID:2920
    - - C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\mmotidkratof.vbs"
        5⤵
        
        PID:1348
    - - C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\wpjwllyr.vbs"
        5⤵
        Blocklisted process makes network request
        Modifies system certificate store
        
        PID:2584
  - - C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe
      "C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe"
      4⤵
      Executes dropped EXE
      Drops startup file
      Suspicious use of WriteProcessMemory
      PID:3948
    - - C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
        
        "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: AddClipboardFormatListener
        
        PID:2504
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\DOuNdGYJeO & timeout 3 & del /f /q "C:\Users\Admin\AppData\Local\Temp\4fc81ed7e14c996685d930fc25d89d0f.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1444-156-0x0000000000C60000-0x0000000000DAA000-memory.dmp

Download

memory/1444-155-0x0000000000400000-0x0000000000B14000-memory.dmp

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memory/1444-154-0x0000000002EA0000-0x00000000035A7000-memory.dmp

Download

memory/2504-148-0x0000000000400000-0x000000000045C000-memory.dmp

Download

memory/3184-216-0x00000000067F0000-0x00000000067F1000-memory.dmp

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memory/3184-218-0x00000000067F2000-0x00000000067F3000-memory.dmp

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memory/3184-214-0x0000000007AA0000-0x0000000007AA1000-memory.dmp

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memory/3184-211-0x0000000007640000-0x0000000007641000-memory.dmp

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memory/3184-230-0x00000000067F3000-0x00000000067F4000-memory.dmp

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memory/3184-115-0x0000000000400000-0x00000000004E5000-memory.dmp

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memory/3184-114-0x00000000020E0000-0x00000000021C1000-memory.dmp

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memory/3332-136-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/3332-135-0x0000000001F70000-0x0000000001F94000-memory.dmp

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memory/3932-187-0x0000000007C30000-0x0000000007C31000-memory.dmp

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memory/3932-201-0x0000000006723000-0x0000000006724000-memory.dmp

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memory/3932-184-0x0000000006722000-0x0000000006723000-memory.dmp

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memory/3932-182-0x0000000006720000-0x0000000006721000-memory.dmp

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memory/3932-185-0x0000000006C90000-0x0000000006C91000-memory.dmp

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memory/3932-186-0x0000000006D70000-0x0000000006D71000-memory.dmp

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memory/3932-181-0x0000000006D00000-0x0000000006D01000-memory.dmp

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memory/3932-180-0x0000000007410000-0x0000000007411000-memory.dmp

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memory/3932-189-0x0000000007D60000-0x0000000007D61000-memory.dmp

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memory/3932-179-0x00000000066F0000-0x00000000066F1000-memory.dmp

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memory/3932-178-0x0000000006DE0000-0x0000000006DE1000-memory.dmp

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memory/3932-196-0x00000000093B0000-0x00000000093B1000-memory.dmp

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memory/3932-197-0x0000000008950000-0x0000000008951000-memory.dmp

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memory/3932-198-0x0000000006990000-0x0000000006991000-memory.dmp

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memory/3932-177-0x0000000006770000-0x0000000006771000-memory.dmp

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memory/3932-183-0x0000000007580000-0x0000000007581000-memory.dmp

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memory/3948-138-0x0000000000400000-0x000000000045C000-memory.dmp

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memory/3948-137-0x00000000005B0000-0x00000000005D6000-memory.dmp

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memory/3952-168-0x0000000004750000-0x0000000004751000-memory.dmp

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memory/3952-173-0x0000000004B51000-0x00000000051B0000-memory.dmp

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memory/3952-165-0x0000000004100000-0x00000000046C5000-memory.dmp

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memory/3952-215-0x0000000000930000-0x0000000000931000-memory.dmp

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memory/4092-167-0x0000000003620000-0x0000000003621000-memory.dmp

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memory/4092-153-0x0000000004CE0000-0x00000000052A5000-memory.dmp

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memory/4092-157-0x0000000005340000-0x0000000005341000-memory.dmp

Download

memory/4092-166-0x0000000005AC1000-0x0000000006120000-memory.dmp

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