cryptbot | eaef807dc7cdfd704cf47b74a667b55004de9171fdb8b949c451274569549d41

Analysis

max time kernel
76s
max time network
152s
platform
windows10_x64
resource
win10-en-20211208
submitted
23-12-2021 08:50

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General

Target

8a1baccbc8382a7eca8c99ee981f6776.exe
Size

2.7MB
MD5

8a1baccbc8382a7eca8c99ee981f6776
SHA1

dc54547642e7f514855ca1afd40a58a8377975af
SHA256

eaef807dc7cdfd704cf47b74a667b55004de9171fdb8b949c451274569549d41
SHA512

c1145a999b422d1548b88e4c7fd6fe790034bb7374a1c1803571366b16e01e8d9a3f3274c60e421b783feaabf9726d137889ca49579a5d300f9b2fbb929eb01f

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

dainfe42.top

morvtu04.top

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:

8a1baccbc8382a7eca8c99ee981f6776.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8a1baccbc8382a7eca8c99ee981f6776.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8a1baccbc8382a7eca8c99ee981f6776.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 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/712-115-0x0000000000230000-0x0000000000965000-memory.dmp	themida
behavioral2/memory/712-116-0x0000000000230000-0x0000000000965000-memory.dmp	themida
behavioral2/memory/712-117-0x0000000000230000-0x0000000000965000-memory.dmp	themida
behavioral2/memory/712-118-0x0000000000230000-0x0000000000965000-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:

8a1baccbc8382a7eca8c99ee981f6776.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8a1baccbc8382a7eca8c99ee981f6776.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

8a1baccbc8382a7eca8c99ee981f6776.exe

pid process

712 8a1baccbc8382a7eca8c99ee981f6776.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
712	8a1baccbc8382a7eca8c99ee981f6776.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:

8a1baccbc8382a7eca8c99ee981f6776.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8a1baccbc8382a7eca8c99ee981f6776.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8a1baccbc8382a7eca8c99ee981f6776.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

728 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

8a1baccbc8382a7eca8c99ee981f6776.exe

pid process

712 8a1baccbc8382a7eca8c99ee981f6776.exe
712 8a1baccbc8382a7eca8c99ee981f6776.exe

pid	process
728	timeout.exe

pid	process
712	8a1baccbc8382a7eca8c99ee981f6776.exe
712	8a1baccbc8382a7eca8c99ee981f6776.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

8a1baccbc8382a7eca8c99ee981f6776.execmd.exe

description	pid	process	target process
PID 712 wrote to memory of 1128	712	8a1baccbc8382a7eca8c99ee981f6776.exe	cmd.exe
PID 712 wrote to memory of 1128	712	8a1baccbc8382a7eca8c99ee981f6776.exe	cmd.exe
PID 712 wrote to memory of 1128	712	8a1baccbc8382a7eca8c99ee981f6776.exe	cmd.exe
PID 1128 wrote to memory of 728	1128	cmd.exe	timeout.exe
PID 1128 wrote to memory of 728	1128	cmd.exe	timeout.exe
PID 1128 wrote to memory of 728	1128	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\8a1baccbc8382a7eca8c99ee981f6776.exe
"C:\Users\Admin\AppData\Local\Temp\8a1baccbc8382a7eca8c99ee981f6776.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:712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\niltjpBm & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8a1baccbc8382a7eca8c99ee981f6776.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1128

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:728

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\niltjpBm\IZFEYR~1.ZIP
MD5
22a379f3c89d559b21d9f74969d2d639

SHA1
f0f8be641c447ec21242ab33e72d25e822739e2e

SHA256
720bb2da1e798761ecaf8577c842b6a79bb8af54ee56e3a6160f49a97927235b

SHA512
9af1aa4573931273e0c4ed173803598cf71a459c21ea0f7793eefd283fe1a70ae3af133bf2a06b6318fddb11315dc6b8fb13b58e24cd99c9a1fb29e23e55b41c

Download Submit
C:\Users\Admin\AppData\Local\Temp\niltjpBm\LRQYGY~1.ZIP
MD5
fe3cfda370bfea359daeeff7fc0ff2b4

SHA1
241c84e8204013405e38f32cadb0c03b9cde0c34

SHA256
180f6a77eca10488bdddf618e68ee6c53e85a9cdfdcc6bbcd30ff5380f3fdea4

SHA512
6d1de288e663b58450cacc2eb99bee07ee5133bca53c79cd4eaa7b4f7434a332b2dc7ac8824eafb9d7e4231b8a3142166ab7efecef663f39f54350d36f0de722

Download Submit
C:\Users\Admin\AppData\Local\Temp\niltjpBm\_Files\_Chrome\DEFAUL~1.BIN
MD5
09500b419541e759ce53d87e324fe8fc

SHA1
4b882732508d2fc28536f8281c3b58777720c7da

SHA256
f80e7db7d3a06c87f03f5d0a9c7ab592ef05bc4fa5a8ab65c318c8455bd94476

SHA512
45e04f6283559638be00bffaf1a52a52a6998f835d5d40f756806a2323623074cb7ee9f802f4eba7d7523ccf3170f8986f89349ffbc1f2514ce25fdae0114fde

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

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

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

SHA1
5952781d22cff35d94861fac25d89a39af6d0a87

SHA256
531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

SHA512
c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

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

SHA1
e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

SHA256
94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

SHA512
4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\niltjpBm\_Files\_INFOR~1.TXT
MD5
57bd92bee9cb398787a999ed602e0ef5

SHA1
745f0ee2b43afaaba4df66bed042fc972b6e9329

SHA256
563819534e7beffb6672b35293583e7697c1c9fdee763100b200e57940b6167e

SHA512
4914bb1d17ab99ef0bb60f801d6f31a61d2655ef071b236bb0adce6a2c4c648b388509e7a86f6420b2d5345084453ca5c08b9ab66a7d4911ac3ef6fba61337c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\niltjpBm\_Files\_SCREE~1.JPE
MD5
17be082e0b3740ce82831b363d5d9eab

SHA1
77caef5d8df519a3d362071635d8b91caa061bb0

SHA256
31198d58c32fec32795d77608b4a30956432395c4f4a225f8906e003b73bb941

SHA512
284a02e30d9255ba53a714fd8a99332b15550b0528efd3d5faf6a084ae8d90cb8a8682680572ea480d4bb32f3b8594918d6196be7e80b9e49fba7f859a4c924a

Download Submit
C:\Users\Admin\AppData\Local\Temp\niltjpBm\files_\SCREEN~1.JPG
MD5
17be082e0b3740ce82831b363d5d9eab

SHA1
77caef5d8df519a3d362071635d8b91caa061bb0

SHA256
31198d58c32fec32795d77608b4a30956432395c4f4a225f8906e003b73bb941

SHA512
284a02e30d9255ba53a714fd8a99332b15550b0528efd3d5faf6a084ae8d90cb8a8682680572ea480d4bb32f3b8594918d6196be7e80b9e49fba7f859a4c924a

Download Submit
C:\Users\Admin\AppData\Local\Temp\niltjpBm\files_\SYSTEM~1.TXT
MD5
57bd92bee9cb398787a999ed602e0ef5

SHA1
745f0ee2b43afaaba4df66bed042fc972b6e9329

SHA256
563819534e7beffb6672b35293583e7697c1c9fdee763100b200e57940b6167e

SHA512
4914bb1d17ab99ef0bb60f801d6f31a61d2655ef071b236bb0adce6a2c4c648b388509e7a86f6420b2d5345084453ca5c08b9ab66a7d4911ac3ef6fba61337c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\niltjpBm\files_\_Chrome\DEFAUL~1.BIN
MD5
09500b419541e759ce53d87e324fe8fc

SHA1
4b882732508d2fc28536f8281c3b58777720c7da

SHA256
f80e7db7d3a06c87f03f5d0a9c7ab592ef05bc4fa5a8ab65c318c8455bd94476

SHA512
45e04f6283559638be00bffaf1a52a52a6998f835d5d40f756806a2323623074cb7ee9f802f4eba7d7523ccf3170f8986f89349ffbc1f2514ce25fdae0114fde

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

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

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

SHA1
5952781d22cff35d94861fac25d89a39af6d0a87

SHA256
531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

SHA512
c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

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

SHA1
e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

SHA256
94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

SHA512
4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

Download Submit
memory/712-115-0x0000000000230000-0x0000000000965000-memory.dmp

Filesize
7.2MB

Download
memory/712-119-0x0000000076F20000-0x00000000770AE000-memory.dmp

Filesize
1.6MB

Download
memory/712-118-0x0000000000230000-0x0000000000965000-memory.dmp

Filesize
7.2MB

Download
memory/712-117-0x0000000000230000-0x0000000000965000-memory.dmp

Filesize
7.2MB

Download
memory/712-116-0x0000000000230000-0x0000000000965000-memory.dmp

Filesize
7.2MB

Download
memory/728-135-0x0000000000000000-mapping.dmp

Download
memory/1128-120-0x0000000000000000-mapping.dmp

Download