cryptbot | a7c197851b0d857569e0f4711d965bfdf3da7da820ea95caa6ee1317e9f8602d

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
31-05-2024 17:06

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General

Target

87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
Size

4.0MB
MD5

87baf758e41c9e99d91975085d024aad
SHA1

7816e63608f056dbb1aaf25fbf4041a959073f81
SHA256

a7c197851b0d857569e0f4711d965bfdf3da7da820ea95caa6ee1317e9f8602d
SHA512

770b669b7821c4c893d222a023b12d41b01cc6afd4ca6a81c738a583411e7c6f61576a1e1d6aec943e5257c9233038d0827d67e8d9743a4d1e3440f3ae3541a3
SSDEEP

98304:7WP/L48ggBUAmtNSId9TxLw5uEcltXCFA9F2LHHJyfWRu2IYEfA:7Wrpgge0ILTuAEclBCFssLnJRuVY

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

vvz01.pro

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 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Setup.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup.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:

Setup.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Setup.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Setup.exe
Executes dropped EXE 1 IoCs

Processes:

Setup.exe

pid process

2744 Setup.exe
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Setup.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Wine Setup.exe
Loads dropped DLL 4 IoCs

Processes:

87baf758e41c9e99d91975085d024aad_JaffaCakes118.exeSetup.exe

pid process

840 87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
840 87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
2744 Setup.exe
2744 Setup.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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 ip-api.com
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Setup.exe

pid process

2744 Setup.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup.exe

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

pid	process
2744	Setup.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Wine	Setup.exe

pid	process
840	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
840	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
2744	Setup.exe
2744	Setup.exe

flow	ioc
3	ip-api.com

pid	process
2744	Setup.exe

Drops file in Program Files directory 5 IoCs

Processes:

87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\Cyper\vm_risc_begin.inc	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
File created	C:\Program Files (x86)\Cyper\Set.exe	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
File created	C:\Program Files (x86)\Cyper\Setup.exe	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
File created	C:\Program Files (x86)\Cyper\vm_begin.inc	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
File created	C:\Program Files (x86)\Cyper\vm_end.inc	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe

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

System Information Discovery
T1082

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:

Setup.exe

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Setup.exe

pid process

2744 Setup.exe
Suspicious use of FindShellTrayWindow 12 IoCs

Processes:

Setup.exe

pid process

2744 Setup.exe
2744 Setup.exe
2744 Setup.exe
2744 Setup.exe
2744 Setup.exe
2744 Setup.exe
2744 Setup.exe
2744 Setup.exe
2744 Setup.exe
2744 Setup.exe
2744 Setup.exe
2744 Setup.exe

pid	process
2744	Setup.exe

pid	process
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe
2744	Setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe

description	pid	process	target process
PID 840 wrote to memory of 2744	840	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe	Setup.exe
PID 840 wrote to memory of 2744	840	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe	Setup.exe
PID 840 wrote to memory of 2744	840	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe	Setup.exe
PID 840 wrote to memory of 2744	840	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe	Setup.exe
PID 840 wrote to memory of 2744	840	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe	Setup.exe
PID 840 wrote to memory of 2744	840	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe	Setup.exe
PID 840 wrote to memory of 2744	840	87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe	Setup.exe

C:\Users\Admin\AppData\Local\Temp\87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\87baf758e41c9e99d91975085d024aad_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:840

C:\Program Files (x86)\Cyper\Setup.exe
"C:\Program Files (x86)\Cyper\Setup.exe"
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:2744

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\3T46OoQYgQHw0Do\47283761.txt
Filesize
156B

MD5
b5089e0c5a3d5377e9bd19c0557ef04e

SHA1
9402e326be3d240e234c06892b15c24e93c93eb8

SHA256
d77789b2c49759c882f4fdd6f53e665b0d012f8f0949d0150eaba47fbf2a0eb5

SHA512
942349ccb99854f274ef1e20b623660588e15bd0d25bfc817fe9b2d010db656af340652e0e67b41edbf0cf259d55ab880d6b50acb1d7e8ab394f1393f7956c13

Download Submit
C:\ProgramData\3T46OoQYgQHw0Do\Files\_Info.txt
Filesize
1KB

MD5
f9b6c69b34cf355070db7877de6e6dcd

SHA1
1c063a768ce827e79803228faebb723c838d03af

SHA256
e9b15046c633bc826a0150e935defecab6e46abb27f1fbfb18c49fe8da548466

SHA512
10716a01727a166bdeba07aae0be8e21f8c5d47e802108273af7a3654c3c70dabda017d108c4a337f0f7644e757b9026e88c38f683677a971f3dc7c7a4ba222a

Download Submit
C:\ProgramData\3T46OoQYgQHw0Do\f8UQpnURn.zip
Filesize
40KB

MD5
b15fd2c3e7a8a3b3fd1b327af3cefffc

SHA1
d94cc70952a9a34a78bc0b5dfd7f701063e1e51a

SHA256
3a879fdd0fd245779f120de81f85218e445b19b2c4ec7432c203ce0a9156976f

SHA512
e3f66ca67099f10c460fe23a9bdf33b168a3cd004039c996663f06dca8a4fee6f582b8bc1b9bced6c414890bf1923abe18025aa9a39d87ad49b9ffceccb83a15

Download Submit
\Program Files (x86)\Cyper\Setup.exe
Filesize
2.2MB

MD5
184073024e93d570c71c2e49afc5b26b

SHA1
dbb7cdcb73b04092e9465969f1075227617e88bb

SHA256
cc76ddcff8abaf26698c735a56abb171773c48262e06ae2dbdcaf13769edb8de

SHA512
00296de5e63229dd91e71dc8d347a34203829314339690a63b5e448ecfda9a7be0f1be11fd34f2936590d30c05ec7ef126ad9ab695ef18459326bdc66160474d

Download Submit
\Users\Admin\AppData\Local\Temp\nsy1305.tmp\UAC.dll
Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

Download Submit
memory/840-12-0x0000000002FB0000-0x0000000003502000-memory.dmp

Filesize
5.3MB

Download
memory/2744-61-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-70-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-22-0x0000000002D20000-0x0000000002D22000-memory.dmp

Filesize
8KB

Download
memory/2744-21-0x0000000077670000-0x0000000077672000-memory.dmp

Filesize
8KB

Download
memory/2744-20-0x0000000000990000-0x0000000000EE2000-memory.dmp

Filesize
5.3MB

Download
memory/2744-59-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-19-0x0000000000990000-0x0000000000EE2000-memory.dmp

Filesize
5.3MB

Download
memory/2744-18-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-63-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-65-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-67-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-23-0x0000000000F21000-0x0000000000F80000-memory.dmp

Filesize
380KB

Download
memory/2744-72-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-74-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-77-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-79-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-81-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-84-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-86-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-89-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download
memory/2744-91-0x0000000000F20000-0x0000000001472000-memory.dmp

Filesize
5.3MB

Download