cryptbot | 1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/02/2025, 18:56

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General

Target

1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe
Size

3.8MB
MD5

f095f48a0fc5d1369e1e9a33f30624cf
SHA1

a87365138e7a92880051249411814562953a4307
SHA256

1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c
SHA512

c2707019659aeda30ad1fba0b639800a7cd966be8e55fbf5ea09b79608e5f930b99b68792f86904645616af7c30ea93587852c12c68ccc62028c296963b3a2e2
SSDEEP

98304:ZsFwe8EuILKpQN0f7aePKtGBz/smtrm+2f/VSnGIm+LR4ZzK:FEoO0DaFGBz/sYK+2fIGImy

Score

10^/10

cryptbot defense_evasion discovery execution spyware stealer

Malware Config

Extracted

Family

cryptbot

http://home.elvnjj1sr.top/pekvtmslVrBVfMWtJqVA17

Signatures

CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Cryptbot family
cryptbot

Enumerates VirtualBox registry keys 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	VC_redist.x86.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4752	powershell.exe

Executes dropped EXE 3 IoCs

pid	Process
2688	VC_redist.x64.exe
4872	VC_redist.x86.exe
5040	Token.exe

Loads dropped DLL 6 IoCs

pid	Process
2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe
2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe
2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe
2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe
2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe
5008	taskeng.exe

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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5040 set thread context of 4908	5040	Token.exe	40

Embeds OpenSSL 1 IoCs

Embeds OpenSSL, may be used to circumvent TLS interception.

resource	yara_rule
behavioral1/files/0x0008000000016c84-2811.dat	embeds_openssl

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	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VC_redist.x86.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4752	powershell.exe
4872	VC_redist.x86.exe
4872	VC_redist.x86.exe
4872	VC_redist.x86.exe
4872	VC_redist.x86.exe
4872	VC_redist.x86.exe
5040	Token.exe
5040	Token.exe
4908	AddInUtil.exe
4908	AddInUtil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	VC_redist.x64.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeDebugPrivilege	5040	Token.exe
Token: SeDebugPrivilege	4908	AddInUtil.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2688	2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe	31
PID 2804 wrote to memory of 2688	2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe	31
PID 2804 wrote to memory of 2688	2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe	31
PID 2804 wrote to memory of 2688	2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe	31
PID 4720 wrote to memory of 4752	4720	taskeng.exe	35
PID 4720 wrote to memory of 4752	4720	taskeng.exe	35
PID 4720 wrote to memory of 4752	4720	taskeng.exe	35
PID 2804 wrote to memory of 4872	2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe	37
PID 2804 wrote to memory of 4872	2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe	37
PID 2804 wrote to memory of 4872	2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe	37
PID 2804 wrote to memory of 4872	2804	1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe	37
PID 5008 wrote to memory of 5040	5008	taskeng.exe	39
PID 5008 wrote to memory of 5040	5008	taskeng.exe	39
PID 5008 wrote to memory of 5040	5008	taskeng.exe	39
PID 5040 wrote to memory of 4908	5040	Token.exe	40
PID 5040 wrote to memory of 4908	5040	Token.exe	40
PID 5040 wrote to memory of 4908	5040	Token.exe	40
PID 5040 wrote to memory of 4908	5040	Token.exe	40
PID 5040 wrote to memory of 4908	5040	Token.exe	40
PID 5040 wrote to memory of 4908	5040	Token.exe	40
PID 5040 wrote to memory of 4908	5040	Token.exe	40

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe
"C:\Users\Admin\AppData\Local\Temp\1546405e25eaeb58fcef39a5baf9e6efb929a0ec0527fb923182748510b70c4c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2688
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"
  2⤵
  - Enumerates VirtualBox registry keys
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4872

C:\Windows\system32\taskeng.exe
taskeng.exe {B3AF52FB-EC91-477B-9499-22858A60A6AF} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:S4U:
1⤵
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4752

C:\Windows\system32\taskeng.exe
taskeng.exe {F3A0E619-44F0-4D4A-BAF5-B6AE59DBB3A0} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Users\Admin\AppData\Roaming\IsSpecialName\Token.exe
  C:\Users\Admin\AppData\Roaming\IsSpecialName\Token.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5040
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe

Filesize
653KB

MD5
4f6e118ff053bda4f358922e704e6e2d

SHA1
b09ee9ecb9b16910e7d5b0b151095655eac86666

SHA256
c4d8a65844301bbe75699e5de0d2a576f1fa07e0cf259810bdc68b045cb14225

SHA512
a78fb7027e39f29cb768cd0f6ed11ab4e56179b04b782f0f293fe0743fc88e418da8ea9698d78ff462cb650694fc4a14003537f4decb0db6313061a1afa25b4c

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe

Filesize
8.2MB

MD5
95a8e03433879dc9bbe059a6f8ba3f5c

SHA1
9b15abecbc64573f9709847e22c2006a2bfec327

SHA256
c09055cde3e0d6c5ebad2cf79f3e735c3ce5f5ded864130098fe2c4165b99fa1

SHA512
3d1d9c0e77085258bfb834ca5d65e6aaad3a3a3a426cda50f2a6b99ad03c65b83f25a853a3a8c900aa01fe17e0a741b73bf20364006d1a16a5c21356095c49c5

Download Submit
memory/2688-69-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-21-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-15-0x000007FEF53F0000-0x000007FEF5DDC000-memory.dmp

Filesize
9.9MB

Download
memory/2688-19-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-17-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-16-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-77-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-53-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-35-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-33-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-31-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-29-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-27-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-61-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-23-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-63-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-79-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-75-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-73-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-71-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-13-0x0000000001210000-0x00000000012B8000-memory.dmp

Filesize
672KB

Download
memory/2688-67-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-14-0x00000000010A0000-0x00000000011AA000-memory.dmp

Filesize
1.0MB

Download
memory/2688-65-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-25-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-59-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-57-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-55-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-51-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-49-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-47-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-45-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-2799-0x0000000000ED0000-0x0000000000F1C000-memory.dmp

Filesize
304KB

Download
memory/2688-2798-0x0000000000CE0000-0x0000000000D36000-memory.dmp

Filesize
344KB

Download
memory/2688-43-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-41-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-39-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-37-0x00000000010A0000-0x00000000011A6000-memory.dmp

Filesize
1.0MB

Download
memory/2688-2800-0x00000000011B0000-0x0000000001204000-memory.dmp

Filesize
336KB

Download
memory/2688-12-0x000007FEF53F3000-0x000007FEF53F4000-memory.dmp

Filesize
4KB

Download
memory/2688-2809-0x000007FEF53F0000-0x000007FEF5DDC000-memory.dmp

Filesize
9.9MB

Download
memory/4752-2806-0x0000000001240000-0x0000000001248000-memory.dmp

Filesize
32KB

Download
memory/4752-2805-0x000000001A1F0000-0x000000001A4D2000-memory.dmp

Filesize
2.9MB

Download
memory/4908-5621-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/5040-2829-0x0000000000910000-0x00000000009B8000-memory.dmp

Filesize
672KB

Download