846ef984a059466dd689b7123de595a6886b8b17141e6c58f56d2982f1b91e99

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
17-08-2023 18:06

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General

Target

1d5747374a6cb2936197d8b082787025_cryptolocker_JC.exe
Size

58KB
MD5

1d5747374a6cb2936197d8b082787025
SHA1

35ab10e6cef07a1ecc6f200cee0e91c8e0c51cca
SHA256

846ef984a059466dd689b7123de595a6886b8b17141e6c58f56d2982f1b91e99
SHA512

1e16bbd8048bcc9fe268a714cb859e715a9b589a7d01569593f62dcc11268102e3fec99e5c7d1bc5aa0af6a58b818b87e4eabc5f9be85f3e02a4aef1779e2b54
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzp0oj670u:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7v

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
112	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2316	1d5747374a6cb2936197d8b082787025_cryptolocker_JC.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2316	1d5747374a6cb2936197d8b082787025_cryptolocker_JC.exe
112	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 112	2316	1d5747374a6cb2936197d8b082787025_cryptolocker_JC.exe	28
PID 2316 wrote to memory of 112	2316	1d5747374a6cb2936197d8b082787025_cryptolocker_JC.exe	28
PID 2316 wrote to memory of 112	2316	1d5747374a6cb2936197d8b082787025_cryptolocker_JC.exe	28
PID 2316 wrote to memory of 112	2316	1d5747374a6cb2936197d8b082787025_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\1d5747374a6cb2936197d8b082787025_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\1d5747374a6cb2936197d8b082787025_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\hurok.exe

Filesize
58KB

MD5
e1a1f38b981d3483d597decb463987b5

SHA1
a5abe18ef20c522e515a69f3a3666b7905ed7ed4

SHA256
2b476481e11b567e597d0c7d8449cdf9166ce50ab3b5f5dd92551b773e0c11a9

SHA512
10869299cfbd36c91fd9b0ca5b7b3b083b3c9470d97e1ed33ca79a2b7831a4474ce3b44d5b49ef41f877a9e2dd1b5d1d46832d123643dd7987bcb90bf21c0939

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

Filesize
58KB

MD5
e1a1f38b981d3483d597decb463987b5

SHA1
a5abe18ef20c522e515a69f3a3666b7905ed7ed4

SHA256
2b476481e11b567e597d0c7d8449cdf9166ce50ab3b5f5dd92551b773e0c11a9

SHA512
10869299cfbd36c91fd9b0ca5b7b3b083b3c9470d97e1ed33ca79a2b7831a4474ce3b44d5b49ef41f877a9e2dd1b5d1d46832d123643dd7987bcb90bf21c0939

Download Submit
\Users\Admin\AppData\Local\Temp\hurok.exe

Filesize
58KB

MD5
e1a1f38b981d3483d597decb463987b5

SHA1
a5abe18ef20c522e515a69f3a3666b7905ed7ed4

SHA256
2b476481e11b567e597d0c7d8449cdf9166ce50ab3b5f5dd92551b773e0c11a9

SHA512
10869299cfbd36c91fd9b0ca5b7b3b083b3c9470d97e1ed33ca79a2b7831a4474ce3b44d5b49ef41f877a9e2dd1b5d1d46832d123643dd7987bcb90bf21c0939

Download Submit
memory/112-71-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2316-54-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2316-56-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2316-55-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download