cryptbot | 51e9ccfd1c8ae13270052947f8dc6e3386c585bf733228a8dc0e028e1c31223f

Analysis

max time kernel
65s
max time network
136s
platform
windows10_x64
resource
win10-en-20210920
submitted
20-10-2021 23:36

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General

Target

installer.exe
Size

2.7MB
MD5

a9a3893285e274d60a9bb5b85f4dfcc4
SHA1

960237e74a28393b0f906a46acffdb4d6160b763
SHA256

51e9ccfd1c8ae13270052947f8dc6e3386c585bf733228a8dc0e028e1c31223f
SHA512

b22237255cdcca7c9cdd1dd0664368a967b09ad672f57beb96891ab6abfd6bf4c2d7161f1f9e9bc468539811494c8fc1c6d6417c0b339c22fc90769addfa3bc0

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

installer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	installer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	installer.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3556-115-0x00000000009B0000-0x000000000109E000-memory.dmp	themida
behavioral2/memory/3556-116-0x00000000009B0000-0x000000000109E000-memory.dmp	themida
behavioral2/memory/3556-118-0x00000000009B0000-0x000000000109E000-memory.dmp	themida
behavioral2/memory/3556-117-0x00000000009B0000-0x000000000109E000-memory.dmp	themida

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
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

installer.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA installer.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

installer.exe

pid process

3556 installer.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	installer.exe

pid	process
3556	installer.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

installer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	installer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	installer.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4520 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

installer.exe

pid process

3556 installer.exe
3556 installer.exe

pid	process
4520	timeout.exe

pid	process
3556	installer.exe
3556	installer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

installer.execmd.exe

description	pid	process	target process
PID 3556 wrote to memory of 4492	3556	installer.exe	cmd.exe
PID 3556 wrote to memory of 4492	3556	installer.exe	cmd.exe
PID 3556 wrote to memory of 4492	3556	installer.exe	cmd.exe
PID 4492 wrote to memory of 4520	4492	cmd.exe	timeout.exe
PID 4492 wrote to memory of 4520	4492	cmd.exe	timeout.exe
PID 4492 wrote to memory of 4520	4492	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\installer.exe
"C:\Users\Admin\AppData\Local\Temp\installer.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3556

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\installer.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4492

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:4520

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\SGLPLT~1.ZIP
MD5
f5f2a144140a121cc315ae8b29fa955a

SHA1
8117c4a497f0d7a9c1d2d390ff8a05def82a72d9

SHA256
81f74763fc2bac529486f304c74f3a515f39779a745b0396abb30dc4a013c995

SHA512
86b156d2ec6f190a59e1f1bef4078d0351c7fe3b6e397dd9c3c44a6639ec0b75a940f9a9a92f3bce1fb7b777ca8df7ec6b644c63e057a983373beda6ebf90760

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\UXCRIP~1.ZIP
MD5
5c6da1232212bac5f40bbc02a64a4a39

SHA1
9afb4743ce751533d178ee82f99b1085a23f8d84

SHA256
e4252dc3f52fc6e69cef90c0fda8f53c8d8ed1c62ae79a9c2f1d3734c34d1ec6

SHA512
ce8e5234cf6537f3d80fa22bd5169e85dc6df7ac1461d9f6a24a1e69401da69c887f882b4d60fa73c47aeb7822bb488f79677d422ad7a8fe48adf1c7c712834c

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\_Files\_Chrome\DEFAUL~1.BIN
MD5
dc2f254b5562f0d42df820a0c3d577f9

SHA1
16109f6ddd0ce94200daed7323617f43b604f42a

SHA256
19afe2b33cc988fb44548cc87f1b467d37a20e74f53b4d71c7c4050c2527f178

SHA512
ac0ab6311eefc114412ccfbb4895e19aae0a129171ae7ffeb85a37c5a99a6b89ce795b58681162fc48931306f67c0b1004049665d0171a2c1e6a0ceaca1023d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\_Files\_Chrome\DEFAUL~1.DB
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\_Files\_Chrome\DEFAUL~2.DB
MD5
055c8c5c47424f3c2e7a6fc2ee904032

SHA1
5952781d22cff35d94861fac25d89a39af6d0a87

SHA256
531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

SHA512
c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\_Files\_Chrome\DEFAUL~3.DB
MD5
8ee018331e95a610680a789192a9d362

SHA1
e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

SHA256
94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

SHA512
4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\_Files\_INFOR~1.TXT
MD5
6d07154cec61a924b556707c468e09a8

SHA1
cac04ba436c810082df6592612d06305ea6f9d32

SHA256
cacdea5f9852ced6548c5626d5ba4117cfc23618aa4e82006561f30d717af561

SHA512
6401cfd75b472e63b356aef8b4d2da1d167d430d6bfc61b6d355b2f84d6942a2877cf5c1f209ed0be5eef32676fbd79e480297dcb6d025a3712c563c26fbc68a

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\_Files\_SCREE~1.JPE
MD5
3d1f408163189bcd9d30cbdad54c14ec

SHA1
bd390cddc7eca45d11cda207bf6e092b94e32908

SHA256
6faa0c6c656ea1bc88ca7a05153d9c77b682b837242d5c1f3828f1b7fb987f40

SHA512
fed16053ef0d70145a83f0ba17118ff9be41dac13f264d52aa1ae5098dd8409cf3fe20e485d601dc4dd2df38bab38a944ceff2a57ba64870f0ba0a7da0d90774

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\files_\SCREEN~1.JPG
MD5
3d1f408163189bcd9d30cbdad54c14ec

SHA1
bd390cddc7eca45d11cda207bf6e092b94e32908

SHA256
6faa0c6c656ea1bc88ca7a05153d9c77b682b837242d5c1f3828f1b7fb987f40

SHA512
fed16053ef0d70145a83f0ba17118ff9be41dac13f264d52aa1ae5098dd8409cf3fe20e485d601dc4dd2df38bab38a944ceff2a57ba64870f0ba0a7da0d90774

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\files_\SYSTEM~1.TXT
MD5
6d07154cec61a924b556707c468e09a8

SHA1
cac04ba436c810082df6592612d06305ea6f9d32

SHA256
cacdea5f9852ced6548c5626d5ba4117cfc23618aa4e82006561f30d717af561

SHA512
6401cfd75b472e63b356aef8b4d2da1d167d430d6bfc61b6d355b2f84d6942a2877cf5c1f209ed0be5eef32676fbd79e480297dcb6d025a3712c563c26fbc68a

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\files_\_Chrome\DEFAUL~1.BIN
MD5
dc2f254b5562f0d42df820a0c3d577f9

SHA1
16109f6ddd0ce94200daed7323617f43b604f42a

SHA256
19afe2b33cc988fb44548cc87f1b467d37a20e74f53b4d71c7c4050c2527f178

SHA512
ac0ab6311eefc114412ccfbb4895e19aae0a129171ae7ffeb85a37c5a99a6b89ce795b58681162fc48931306f67c0b1004049665d0171a2c1e6a0ceaca1023d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\files_\_Chrome\DEFAUL~1.DB
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\files_\_Chrome\DEFAUL~2.DB
MD5
055c8c5c47424f3c2e7a6fc2ee904032

SHA1
5952781d22cff35d94861fac25d89a39af6d0a87

SHA256
531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

SHA512
c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

Download Submit
C:\Users\Admin\AppData\Local\Temp\USNovGOiYqIa\files_\_Chrome\DEFAUL~3.DB
MD5
8ee018331e95a610680a789192a9d362

SHA1
e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

SHA256
94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

SHA512
4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

Download Submit
memory/3556-115-0x00000000009B0000-0x000000000109E000-memory.dmp

Filesize
6.9MB

Download
memory/3556-119-0x0000000077170000-0x00000000772FE000-memory.dmp

Filesize
1.6MB

Download
memory/3556-117-0x00000000009B0000-0x000000000109E000-memory.dmp

Filesize
6.9MB

Download
memory/3556-118-0x00000000009B0000-0x000000000109E000-memory.dmp

Filesize
6.9MB

Download
memory/3556-116-0x00000000009B0000-0x000000000109E000-memory.dmp

Filesize
6.9MB

Download
memory/4492-120-0x0000000000000000-mapping.dmp

Download
memory/4520-135-0x0000000000000000-mapping.dmp

Download