8344de4e5aa55c994cb37ea866e968ea0427dc2f3ed10e5d27f76afa5fc839da

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 22:55

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General

Target

2024-03-25_ecd64855fccd5dfc101e55d1c3696606_cryptolocker.exe
Size

48KB
MD5

ecd64855fccd5dfc101e55d1c3696606
SHA1

fa47ae041acd57a9f1870ea8cb9657f95296abab
SHA256

8344de4e5aa55c994cb37ea866e968ea0427dc2f3ed10e5d27f76afa5fc839da
SHA512

ac7d06e829e15d7e95be6b668fbf447f8071db5b46b6a594ff4e19b04bf09b5b301fdb8f78264e15a82d2e6715fc25c2134ae9faac38d06fa2a76c65687b853a
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hvvkD9x:bgGYcA/53GAA6y37nbyx

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001224e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2264	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1284	2024-03-25_ecd64855fccd5dfc101e55d1c3696606_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 2264	1284	2024-03-25_ecd64855fccd5dfc101e55d1c3696606_cryptolocker.exe	28
PID 1284 wrote to memory of 2264	1284	2024-03-25_ecd64855fccd5dfc101e55d1c3696606_cryptolocker.exe	28
PID 1284 wrote to memory of 2264	1284	2024-03-25_ecd64855fccd5dfc101e55d1c3696606_cryptolocker.exe	28
PID 1284 wrote to memory of 2264	1284	2024-03-25_ecd64855fccd5dfc101e55d1c3696606_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-25_ecd64855fccd5dfc101e55d1c3696606_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_ecd64855fccd5dfc101e55d1c3696606_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2264

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

\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
48KB

MD5
ee389f71d549a97e0c5549b235160042

SHA1
ff11827cd7ba6682ce1188a982e92ef85b343db9

SHA256
5c6086585c5852ed633f6671881c06ae3502ceb5df617b637883f191de5b798d

SHA512
70571ac73e4e4f03c3d91fb0d435fb922e36ea98cbdb71573d114969874f8f720aad31c669c2c753cc9be2c1d161985b4be5e2d58b2a74efef52aa45ef91bccd

Download Submit
memory/1284-0-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1284-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1284-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2264-15-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2264-17-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download