gandcrab | df4868063bc95b09dade4e4512e4e3a215acd35b88f56417f260bebf129b04e2

Analysis

max time kernel
126s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 09:25

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General

Target

202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
Size

213KB
MD5

7ea1adc5d42b0432d95ef7efe25d5907
SHA1

51c056e228d3eb89a9e1af422528ac71fe8d77d3
SHA256

df4868063bc95b09dade4e4512e4e3a215acd35b88f56417f260bebf129b04e2
SHA512

6bc095db0dbfb23e4dbaa9c7f248963f5fe89ec85f85200bd7d2218bbe066ba00dba4220305e54d3f58be612137684224a6322c67eeba0f7659d9d5a8b950c4b
SSDEEP

3072:KgzlmnQjGj/A78nRw3u04PbvZDV/y9afXqTXnCBNcESnrbieOVL5vYvQd2a:KiV78Rw2hpy9afajnCBwrbTO9Ya

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1252-2-0x0000000000650000-0x0000000000663000-memory.dmp	family_gandcrab
behavioral2/memory/1252-3-0x0000000000780000-0x0000000000796000-memory.dmp	family_gandcrab
behavioral2/memory/1252-10-0x0000000000780000-0x0000000000796000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vxrrvaxbcka = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\tajkks.exe\""	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe

description	ioc	process
File opened (read-only)	\??\U:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\W:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\B:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\G:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\S:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\Q:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\R:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\T:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\X:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\Y:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\N:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\O:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\P:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\K:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\Z:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\E:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\H:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\I:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\M:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\V:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\A:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\J:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
File opened (read-only)	\??\L:	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe

pid	process
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
1252	202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe

C:\Users\Admin\AppData\Local\Temp\202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe
"C:\Users\Admin\AppData\Local\Temp\202407037ea1adc5d42b0432d95ef7efe25d5907bkransomwarekaraganymetamorfo.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1252

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4372,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=3608 /prefetch:8
1⤵
PID:3800

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/1252-0-0x0000000000A00000-0x0000000000A32000-memory.dmp

Filesize
200KB

Download
memory/1252-1-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/1252-2-0x0000000000650000-0x0000000000663000-memory.dmp

Filesize
76KB

Download
memory/1252-3-0x0000000000780000-0x0000000000796000-memory.dmp

Filesize
88KB

Download
memory/1252-9-0x0000000000A00000-0x0000000000A32000-memory.dmp

Filesize
200KB

Download
memory/1252-10-0x0000000000780000-0x0000000000796000-memory.dmp

Filesize
88KB

Download