cryptbot | 59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 22:30

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General

Target

59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe
Size

3.2MB
MD5

a528c8a17fdd949cbaa6aa08212f11f4
SHA1

29264de728deff5bc2484479c5b33254824076f1
SHA256

59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65
SHA512

42de781a2fd1efb431faad758faaccc9e82357d535226ea0a382fac64d13ffbe9a286b29e319ea610a869c79008e3e576eae5175c48c3e2144e5e55ff2ae2e64
SSDEEP

98304:ZsfzPpbFmr6RG0dPu7d5N9JToUaJv6M7X:Ahbs6HCdj9JVNkX

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	start-this-992.exe

Executes dropped EXE 2 IoCs

pid	Process
288	VC_redist.x64.exe
7444	start-this-992.exe

Loads dropped DLL 5 IoCs

pid	Process
2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe
2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe
2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe
2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe
2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.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/0x0008000000015d2e-2620.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	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	start-this-992.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
7444	start-this-992.exe
7444	start-this-992.exe
7444	start-this-992.exe
7444	start-this-992.exe
7444	start-this-992.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 288	2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe	28
PID 2384 wrote to memory of 288	2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe	28
PID 2384 wrote to memory of 288	2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe	28
PID 2384 wrote to memory of 288	2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe	28
PID 2384 wrote to memory of 7444	2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe	30
PID 2384 wrote to memory of 7444	2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe	30
PID 2384 wrote to memory of 7444	2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe	30
PID 2384 wrote to memory of 7444	2384	59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe	30

C:\Users\Admin\AppData\Local\Temp\59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe
"C:\Users\Admin\AppData\Local\Temp\59e8c34c847d5022ce184be68576f6ffd0d60d7059b0a4da15484e337e716e65.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- 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:288
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\start-this-992.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\start-this-992.exe"
  2⤵
  - Enumerates VirtualBox registry keys
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:7444

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

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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\start-this-992.exe

Filesize
6.7MB

MD5
9aab4a31af0c4026bbaa456fec07f00f

SHA1
051180e30fd594196242f2e155e1a530e0b64320

SHA256
c81527a760f53added18b57518fc329fc42591ecae4334b91cc7432296912c11

SHA512
67e8fd4539c5f9aad6ca9ec9d1841493fda17012559c37063944caf4cd831e72388073391ecbd55940adef2e656313a874fe995e786159c06a122f48fc7b7d69

Download Submit
memory/288-51-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-19-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-13-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/288-15-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-14-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-56-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-11-0x0000000000E20000-0x0000000000EC2000-memory.dmp

Filesize
648KB

Download
memory/288-75-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-73-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-72-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-69-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-67-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-65-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-63-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-61-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-59-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-57-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-47-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-77-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-12-0x000000001B590000-0x000000001B688000-memory.dmp

Filesize
992KB

Download
memory/288-53-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-45-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-43-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-41-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-39-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-37-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-35-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-33-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-31-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-29-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-27-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-25-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-23-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-21-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-49-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-17-0x000000001B590000-0x000000001B684000-memory.dmp

Filesize
976KB

Download
memory/288-2617-0x0000000000970000-0x00000000009BC000-memory.dmp

Filesize
304KB

Download
memory/288-2616-0x0000000000910000-0x0000000000966000-memory.dmp

Filesize
344KB

Download
memory/288-2618-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/288-10-0x000007FEF57C3000-0x000007FEF57C4000-memory.dmp

Filesize
4KB

Download