cryptbot | 5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
13/01/2025, 20:36

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General

Target

5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe
Size

3.2MB
MD5

eb288c73cc342727e842ecea61e03222
SHA1

fbc38de21a9fb29cfd2074eed4ee32d224f58ffc
SHA256

5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9
SHA512

10f65e84be95e8c3e4f1b1b9defcbb51f4dd44efcd273f5e636b2d731e4fd626e0dcd3895d1193e7d4c6273747318920fe7da63c12cc1cfab30e0f720036a7ee
SSDEEP

98304:Zs1zPpbkmr6RG0dPu7d5N9JToUaJv6M7X:ahbx6HCdj9JVNkX

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

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

Executes dropped EXE 2 IoCs

pid	Process
1236	VC_redist.x64.exe
7736	VC_redist.x86.exe

Loads dropped DLL 8 IoCs

pid	Process
2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe
2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe
2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe
2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe
2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.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

Embeds OpenSSL 1 IoCs

Embeds OpenSSL, may be used to circumvent TLS interception.

resource	yara_rule
behavioral1/files/0x0008000000015d79-2620.dat	embeds_openssl

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1724	7736	WerFault.exe	32

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	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VC_redist.x86.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
7736	VC_redist.x86.exe
7736	VC_redist.x86.exe
7736	VC_redist.x86.exe
7736	VC_redist.x86.exe
7736	VC_redist.x86.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1236	2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe	30
PID 2124 wrote to memory of 1236	2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe	30
PID 2124 wrote to memory of 1236	2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe	30
PID 2124 wrote to memory of 1236	2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe	30
PID 2124 wrote to memory of 7736	2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe	32
PID 2124 wrote to memory of 7736	2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe	32
PID 2124 wrote to memory of 7736	2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe	32
PID 2124 wrote to memory of 7736	2124	5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe	32
PID 7736 wrote to memory of 1724	7736	VC_redist.x86.exe	34
PID 7736 wrote to memory of 1724	7736	VC_redist.x86.exe	34
PID 7736 wrote to memory of 1724	7736	VC_redist.x86.exe	34
PID 7736 wrote to memory of 1724	7736	VC_redist.x86.exe	34

C:\Users\Admin\AppData\Local\Temp\5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe
"C:\Users\Admin\AppData\Local\Temp\5f1d5cb7dd68852f86e43ce3cfc9a6d35e59ad827b4393c1a771c52f33aab4d9.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- 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
  PID:1236
- 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
  - Suspicious use of WriteProcessMemory
  PID:7736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 7736 -s 472
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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
628KB

MD5
51c3f33163cb118d7cd1506648d8ea69

SHA1
2f37ac854cea300577e6de102e1c699a87f2178d

SHA256
92a5600741e66bba6153e2b536781416080e5338d703c2de8deb13ee4788dad8

SHA512
4816cd986a5f423ebdabb11230437f12394433e69c0bda9e99a0028fcf04ff68db10941ffcca7a6db24e850f3f55b0e81c4df9edc2ba31d204d5925c8a636a3f

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

Filesize
6.7MB

MD5
9aab4a31af0c4026bbaa456fec07f00f

SHA1
051180e30fd594196242f2e155e1a530e0b64320

SHA256
c81527a760f53added18b57518fc329fc42591ecae4334b91cc7432296912c11

SHA512
67e8fd4539c5f9aad6ca9ec9d1841493fda17012559c37063944caf4cd831e72388073391ecbd55940adef2e656313a874fe995e786159c06a122f48fc7b7d69

Download Submit
memory/1236-2617-0x0000000000660000-0x00000000006AC000-memory.dmp

Filesize
304KB

Download
memory/1236-59-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-13-0x000007FEF67F0000-0x000007FEF71DC000-memory.dmp

Filesize
9.9MB

Download
memory/1236-15-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-19-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-65-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-63-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-61-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-77-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-75-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-73-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-71-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-69-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-67-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-2616-0x00000000006C0000-0x0000000000716000-memory.dmp

Filesize
344KB

Download
memory/1236-57-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-55-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-53-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-12-0x000000001BCF0000-0x000000001BDE8000-memory.dmp

Filesize
992KB

Download
memory/1236-11-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/1236-39-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-49-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-45-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-43-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-41-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-51-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-37-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-35-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-33-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-31-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-29-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-27-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-25-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-21-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-47-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-17-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-23-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-14-0x000000001BCF0000-0x000000001BDE4000-memory.dmp

Filesize
976KB

Download
memory/1236-2618-0x000007FEF67F0000-0x000007FEF71DC000-memory.dmp

Filesize
9.9MB

Download
memory/1236-10-0x000007FEF67F3000-0x000007FEF67F4000-memory.dmp

Filesize
4KB

Download