cryptbot | 30f8d722480f208b7521632343cb6f611eafba1bc0a8c82c6f11cca6aefea914

Analysis

max time kernel
110s
max time network
122s
platform
windows10_x64
resource
win10-en-20211208
submitted
09-01-2022 10:14

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General

Target

ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe
Size

1.9MB
MD5

a35f9d40550c66e04a1ef4ab5444a918
SHA1

1459bafec585d11708b5d71b5823a6989f7dfb38
SHA256

ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb
SHA512

9dcea4984088a4a71d35042b4ad4197037cbd7e63b47be1af704f0cd9a12e2163f81e64dc3c5970f056b8189198c3d46fc58e5cb31eac7f03607c272d5c63421

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

zyorsx75.top

morvue07.top

Attributes

payload_url
http://yapkbc10.top/download.php?file=luzhou.exe

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1232 created 2324 1232 WerFault.exe File.exe
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

File.exe

pid process

2324 File.exe

description	pid	process	target process
PID 1232 created 2324	1232	WerFault.exe	File.exe

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:

File.exe

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

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\File.exe	themida
C:\Users\Admin\AppData\Local\Temp\File.exe	themida
behavioral2/memory/2324-136-0x0000000000330000-0x0000000000A7A000-memory.dmp	themida
behavioral2/memory/2324-137-0x0000000000330000-0x0000000000A7A000-memory.dmp	themida
behavioral2/memory/2324-138-0x0000000000330000-0x0000000000A7A000-memory.dmp	themida
behavioral2/memory/2324-139-0x0000000000330000-0x0000000000A7A000-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:

File.exe

description ioc process

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

Processes:

File.exe

pid process

2324 File.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1232 2324 WerFault.exe File.exe

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

pid	pid_target	process	target process
1232	2324	WerFault.exe	File.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:

ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2292 timeout.exe

pid	process
2292	timeout.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

File.exeWerFault.exe

pid	process
2324	File.exe
2324	File.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe
1232	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1232 WerFault.exe
Token: SeBackupPrivilege 1232 WerFault.exe
Token: SeDebugPrivilege 1232 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1232	WerFault.exe
Token: SeBackupPrivilege	1232	WerFault.exe
Token: SeDebugPrivilege	1232	WerFault.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.execmd.exe

description	pid	process	target process
PID 2416 wrote to memory of 2324	2416	ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe	File.exe
PID 2416 wrote to memory of 2324	2416	ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe	File.exe
PID 2416 wrote to memory of 2324	2416	ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe	File.exe
PID 2416 wrote to memory of 60	2416	ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe	cmd.exe
PID 2416 wrote to memory of 60	2416	ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe	cmd.exe
PID 2416 wrote to memory of 60	2416	ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe	cmd.exe
PID 60 wrote to memory of 2292	60	cmd.exe	timeout.exe
PID 60 wrote to memory of 2292	60	cmd.exe	timeout.exe
PID 60 wrote to memory of 2292	60	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe
"C:\Users\Admin\AppData\Local\Temp\ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\File.exe
  "C:\Users\Admin\AppData\Local\Temp\File.exe"
  2⤵
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 492
    3⤵
    - Suspicious use of NtCreateProcessExOtherParentProcess
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\ce04a8f39383e80f77502ff18cfd4e0512e609f4cded12676f499bbd3b647ddb.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:60
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:2292

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\File.exe

MD5
5b7adda66924fba6936c96ff224a76aa

SHA1
f829413806e0ff5670bcd4bf05e89f25418aba00

SHA256
cd5ae838a12a60167bba00663178eb02077eb3439418ef858ef00127aff722e7

SHA512
72a9301cd8461474617be1249a3b23bef76ea7b420f643245eeb0d26fda0a300b6cf26914dacc7078107d176d57edf77435f117fef86c37aefdfff180b8f67a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\File.exe

MD5
5b7adda66924fba6936c96ff224a76aa

SHA1
f829413806e0ff5670bcd4bf05e89f25418aba00

SHA256
cd5ae838a12a60167bba00663178eb02077eb3439418ef858ef00127aff722e7

SHA512
72a9301cd8461474617be1249a3b23bef76ea7b420f643245eeb0d26fda0a300b6cf26914dacc7078107d176d57edf77435f117fef86c37aefdfff180b8f67a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\ENABTC~1.ZIP

MD5
5a987dc4aaaeca21951fcce62b686961

SHA1
1d84242f390bac5a50bd0060ad19cfc7f5f08d63

SHA256
2cd71f960532befab2cabacef2e2e93cff1e3cc13c15f5d42029516bfab179cc

SHA512
15cd4e511f82e83273df50b029b1601ee0fca5938c9f8070a6db950101100e466404e3c57f81bb8796b81d5d24936db1d05bae33e1c6c2b78723ddf2a1e75553

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\RSNGOS~1.ZIP

MD5
2eaee3527e532c01362ec8081c4aadfc

SHA1
f7c042875368a76c31d09c2e0bee4b54fa5a1dcf

SHA256
ace76ad700d90247dbde76478d659a418bd04d8702185fadfb90bcd2d13b1289

SHA512
4f3b2f83313867fed02deecba1ffef858ae6d326d95688edfcca3d774235f9bdca07f58ae60f0bef27c8d93bd1e3e0289704fb74856176eb866630f0f01d08b7

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

MD5
09500b419541e759ce53d87e324fe8fc

SHA1
4b882732508d2fc28536f8281c3b58777720c7da

SHA256
f80e7db7d3a06c87f03f5d0a9c7ab592ef05bc4fa5a8ab65c318c8455bd94476

SHA512
45e04f6283559638be00bffaf1a52a52a6998f835d5d40f756806a2323623074cb7ee9f802f4eba7d7523ccf3170f8986f89349ffbc1f2514ce25fdae0114fde

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

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\_Files\_Chrome\DEFAUL~2.DB

MD5
055c8c5c47424f3c2e7a6fc2ee904032

SHA1
5952781d22cff35d94861fac25d89a39af6d0a87

SHA256
531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

SHA512
c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\_Files\_Chrome\DEFAUL~3.DB

MD5
8ee018331e95a610680a789192a9d362

SHA1
e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

SHA256
94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

SHA512
4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\_Files\_INFOR~1.TXT

MD5
d1fcbee599b77d39e5758a606ff5abb6

SHA1
2bea8aca6feaf8e468d24497753bce58229d52a8

SHA256
e4de47442b0a4b5b958ae07db1becdb75940d5f0dc243d39c4deb9e953d4a5ba

SHA512
a2edb710d07fef58d4b633602277ee99ee382cae0ee2bef3eb1ab0da93d3daaf53fd7d17d0176d36c1ffe6564a99a9787ad32d96a9487ac16e3f8718f020a5f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\_Files\_SCREE~1.JPE

MD5
a31c631bda8c69c988a578e16781bba1

SHA1
a1388ffbd0167f897a4d4180cd5d2b943096a8c5

SHA256
13b97b1e5c2163c5c806d20ec233c1894360971065cd45e5f526d5b490956511

SHA512
d4535705c56aab6597b5c8edb4a94b8889d82ee9ae83556034bc9e03bf2cfe0cd6fc2882052c682a54a7ec5268314c917f4db62822af31e20efa6411d5c5566a

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\files_\SCREEN~1.JPG

MD5
a31c631bda8c69c988a578e16781bba1

SHA1
a1388ffbd0167f897a4d4180cd5d2b943096a8c5

SHA256
13b97b1e5c2163c5c806d20ec233c1894360971065cd45e5f526d5b490956511

SHA512
d4535705c56aab6597b5c8edb4a94b8889d82ee9ae83556034bc9e03bf2cfe0cd6fc2882052c682a54a7ec5268314c917f4db62822af31e20efa6411d5c5566a

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\files_\SYSTEM~1.TXT

MD5
d1fcbee599b77d39e5758a606ff5abb6

SHA1
2bea8aca6feaf8e468d24497753bce58229d52a8

SHA256
e4de47442b0a4b5b958ae07db1becdb75940d5f0dc243d39c4deb9e953d4a5ba

SHA512
a2edb710d07fef58d4b633602277ee99ee382cae0ee2bef3eb1ab0da93d3daaf53fd7d17d0176d36c1ffe6564a99a9787ad32d96a9487ac16e3f8718f020a5f8

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

MD5
09500b419541e759ce53d87e324fe8fc

SHA1
4b882732508d2fc28536f8281c3b58777720c7da

SHA256
f80e7db7d3a06c87f03f5d0a9c7ab592ef05bc4fa5a8ab65c318c8455bd94476

SHA512
45e04f6283559638be00bffaf1a52a52a6998f835d5d40f756806a2323623074cb7ee9f802f4eba7d7523ccf3170f8986f89349ffbc1f2514ce25fdae0114fde

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

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\files_\_Chrome\DEFAUL~2.DB

MD5
055c8c5c47424f3c2e7a6fc2ee904032

SHA1
5952781d22cff35d94861fac25d89a39af6d0a87

SHA256
531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

SHA512
c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

Download Submit
C:\Users\Admin\AppData\Local\Temp\GRPXMljkSa\files_\_Chrome\DEFAUL~3.DB

MD5
8ee018331e95a610680a789192a9d362

SHA1
e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

SHA256
94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

SHA512
4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

Download Submit
memory/60-120-0x0000000000000000-mapping.dmp

Download
memory/2292-135-0x0000000000000000-mapping.dmp

Download
memory/2324-117-0x0000000000000000-mapping.dmp

Download
memory/2324-136-0x0000000000330000-0x0000000000A7A000-memory.dmp

Filesize
7.3MB

Download
memory/2324-137-0x0000000000330000-0x0000000000A7A000-memory.dmp

Filesize
7.3MB

Download
memory/2324-138-0x0000000000330000-0x0000000000A7A000-memory.dmp

Filesize
7.3MB

Download
memory/2324-139-0x0000000000330000-0x0000000000A7A000-memory.dmp

Filesize
7.3MB

Download
memory/2324-140-0x00000000773B0000-0x000000007753E000-memory.dmp

Filesize
1.6MB

Download
memory/2416-115-0x0000000000600000-0x00000000006AE000-memory.dmp

Filesize
696KB

Download
memory/2416-116-0x00000000023C0000-0x0000000002408000-memory.dmp

Filesize
288KB

Download