32b8e7191894d738bbb3e8e833ff0f2f4220b303f1fbb59ff23912b05337d618

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 20:44 UTC

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Report Analysis Logs

General

Target

2024-04-15_6d8129968a62e5934597561ee18f941c_cryptolocker.exe
Size

41KB
MD5

6d8129968a62e5934597561ee18f941c
SHA1

8a3f5e2adcf0967055a2064a8c5e730f38a9b384
SHA256

32b8e7191894d738bbb3e8e833ff0f2f4220b303f1fbb59ff23912b05337d618
SHA512

655882ae663854636edcd88e041ad851106e76d0f8ae0ecbe7b4f9be6095ff0476d8dfe7e3ba3dc1aa2a2b78fd5a714107f4db984e9b6871e231d66f9ac4ecd8
SSDEEP

384:60VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26aIIcVRYpetOOtEvwDpjqIGRmdHzOOK:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/M

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral2/memory/4848-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x000800000001db0e-13.dat	CryptoLocker_rule2
behavioral2/memory/4848-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4788-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4788-27-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral2/memory/4848-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x000800000001db0e-13.dat	CryptoLocker_set1
behavioral2/memory/4848-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4788-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4788-27-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/4848-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000001db0e-13.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4848-18-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4788-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4788-27-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	2024-04-15_6d8129968a62e5934597561ee18f941c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4788	misid.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 4788	4848	2024-04-15_6d8129968a62e5934597561ee18f941c_cryptolocker.exe	83
PID 4848 wrote to memory of 4788	4848	2024-04-15_6d8129968a62e5934597561ee18f941c_cryptolocker.exe	83
PID 4848 wrote to memory of 4788	4848	2024-04-15_6d8129968a62e5934597561ee18f941c_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-04-15_6d8129968a62e5934597561ee18f941c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_6d8129968a62e5934597561ee18f941c_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4788

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

68.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

68.32.126.40.in-addr.arpa

IN PTR

Response
DNS

240.221.184.93.in-addr.arpa

Remote address:

8.8.8.8:53

Request

240.221.184.93.in-addr.arpa

IN PTR

Response
DNS

bestccc.com

misid.exe

Remote address:

8.8.8.8:53

Request

bestccc.com

IN A

Response

bestccc.com

IN A

103.14.121.240
DNS

g.bing.com

Remote address:

8.8.8.8:53

Request

g.bing.com

IN A

Response

g.bing.com

IN CNAME

g-bing-com.dual-a-0034.a-msedge.net

g-bing-com.dual-a-0034.a-msedge.net

IN CNAME

dual-a-0034.a-msedge.net

dual-a-0034.a-msedge.net

IN A

204.79.197.237

dual-a-0034.a-msedge.net

IN A

13.107.21.237
GET

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid=

Remote address:

204.79.197.237:443

Request

GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MUID=1886AF0C307C6F521AE8BB6E31C76E3B; domain=.bing.com; expires=Sat, 10-May-2025 20:44:18 GMT; path=/; SameSite=None; Secure; Priority=High;
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: B88AB4D214B340D881989B55BB5D6608 Ref B: LON04EDGE0821 Ref C: 2024-04-15T20:44:18Z
date: Mon, 15 Apr 2024 20:44:17 GMT
GET

https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid=

Remote address:

204.79.197.237:443

Request

GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=1886AF0C307C6F521AE8BB6E31C76E3B

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MSPTC=r3sCyAQqcpYgbMY84jh12rtlkeBUiJBot2JujD7VONk; domain=.bing.com; expires=Sat, 10-May-2025 20:44:18 GMT; path=/; Partitioned; secure; SameSite=None
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: AAD6E943592442509108BCA33FC77AAA Ref B: LON04EDGE0821 Ref C: 2024-04-15T20:44:18Z
date: Mon, 15 Apr 2024 20:44:17 GMT
GET

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid=

Remote address:

204.79.197.237:443

Request

GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=1886AF0C307C6F521AE8BB6E31C76E3B; MSPTC=r3sCyAQqcpYgbMY84jh12rtlkeBUiJBot2JujD7VONk

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 5AB92342AEF24EB89860D00937C0CDD7 Ref B: LON04EDGE0821 Ref C: 2024-04-15T20:44:18Z
date: Mon, 15 Apr 2024 20:44:17 GMT
DNS

241.154.82.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.154.82.20.in-addr.arpa

IN PTR

Response
DNS

237.197.79.204.in-addr.arpa

Remote address:

8.8.8.8:53

Request

237.197.79.204.in-addr.arpa

IN PTR

Response
DNS

163.233.34.23.in-addr.arpa

Remote address:

8.8.8.8:53

Request

163.233.34.23.in-addr.arpa

IN PTR

Response

163.233.34.23.in-addr.arpa

IN PTR

a23-34-233-163deploystaticakamaitechnologiescom
DNS

88.156.103.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

88.156.103.20.in-addr.arpa

IN PTR

Response
DNS

56.126.166.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

56.126.166.20.in-addr.arpa

IN PTR

Response
DNS

86.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

86.23.85.13.in-addr.arpa

IN PTR

Response
DNS

101.58.20.217.in-addr.arpa

Remote address:

8.8.8.8:53

Request

101.58.20.217.in-addr.arpa

IN PTR

Response
DNS

13.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.227.111.52.in-addr.arpa

IN PTR

Response
DNS

26.178.89.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

26.178.89.13.in-addr.arpa

IN PTR

Response

103.14.121.240:443

bestccc.com

misid.exe

260 B
5
204.79.197.237:443

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid=

tls, http2

2.0kB
9.2kB
22
18

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid=

HTTP Response

204

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid=

HTTP Response

204

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=be329a5374294db19fdc3649f6a27e02&localId=w:82014CF4-DC18-5C6E-6DB2-ACA702FC47E3&deviceId=6896199938616243&anid=

HTTP Response

204
103.14.121.240:443

bestccc.com

misid.exe

260 B
5
103.14.121.240:443

bestccc.com

misid.exe

260 B
5
103.14.121.240:443

bestccc.com

misid.exe

260 B
5
103.14.121.240:443

bestccc.com

misid.exe

260 B
5
103.14.121.240:443

bestccc.com

misid.exe

260 B
5
103.14.121.240:443

bestccc.com

misid.exe

260 B
5
103.14.121.240:443

bestccc.com

misid.exe

104 B
2

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

68.32.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

68.32.126.40.in-addr.arpa
8.8.8.8:53

240.221.184.93.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

240.221.184.93.in-addr.arpa
8.8.8.8:53

bestccc.com

dns

misid.exe

57 B
73 B
1
1

DNS Request

bestccc.com

DNS Response

103.14.121.240
8.8.8.8:53

g.bing.com

dns

56 B
151 B
1
1

DNS Request

g.bing.com

DNS Response

204.79.197.237

13.107.21.237
8.8.8.8:53

241.154.82.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

241.154.82.20.in-addr.arpa
8.8.8.8:53

237.197.79.204.in-addr.arpa

dns

73 B
143 B
1
1

DNS Request

237.197.79.204.in-addr.arpa
8.8.8.8:53

163.233.34.23.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

163.233.34.23.in-addr.arpa
8.8.8.8:53

88.156.103.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

88.156.103.20.in-addr.arpa
8.8.8.8:53

56.126.166.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

56.126.166.20.in-addr.arpa
8.8.8.8:53

86.23.85.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

86.23.85.13.in-addr.arpa
8.8.8.8:53

101.58.20.217.in-addr.arpa

dns

72 B
132 B
1
1

DNS Request

101.58.20.217.in-addr.arpa
8.8.8.8:53

13.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

13.227.111.52.in-addr.arpa
8.8.8.8:53

26.178.89.13.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

26.178.89.13.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
41KB

MD5
b5a97cdc8884b7993524954db3cec560

SHA1
9eda0a49d045a65256a5a9345b6d766fb83cdc98

SHA256
96b1aa96f883e72418a0fe23b5524553b84cf390851859225c8651a047f49507

SHA512
3f163b21faf0d56c0fda7b72c215236b0e6a8f2b236e4d0fb28fd8c8767e443bf6f7dfa6855c77053076b3df15ef1647c4c6665b99f1667832af3ca766a684a8

Download Submit
memory/4788-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4788-20-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4788-22-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4788-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4848-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4848-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4848-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4848-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4848-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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