e7dca0d73fb9c7f73e812a8e7d3cf4c0065cbdeb5ecde9023930f4caf4301755

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 00:56

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General

Target

2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe
Size

48KB
MD5

e3b9cc4bbbe4fb7585156799b686fb31
SHA1

8381ef26aecb807cebc17dba67a933654dbb03b8
SHA256

e7dca0d73fb9c7f73e812a8e7d3cf4c0065cbdeb5ecde9023930f4caf4301755
SHA512

51625ecde1f516e3c742f6003db4717af5be25aa3d7e9eae2cb8287f95ae5d7f833fd07fb6d294671d4895f70365cd180fb717dfda19f6326a064f33c0c66dbb
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nD:vj+jsMQMOtEvwDpj5HczerLO04Bg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2444 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe

pid process

1740 2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2444	misid.exe

pid	process
1740	2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe

description	pid	process	target process
PID 1740 wrote to memory of 2444	1740	2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe	misid.exe
PID 1740 wrote to memory of 2444	1740	2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe	misid.exe
PID 1740 wrote to memory of 2444	1740	2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe	misid.exe
PID 1740 wrote to memory of 2444	1740	2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_e3b9cc4bbbe4fb7585156799b686fb31_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2444

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\misid.exe

Filesize
48KB

MD5
b2f813b00e6c451ccd46cd681218e9bd

SHA1
cc0183213689f49412285a6217dec37f1ae19645

SHA256
9aacf078ec422280152736abf8187cbe2c630c5a58dd32bf4adaafdfe07e987c

SHA512
52dc93f867d0d1a1c7e2f49be155ae75feb5d384a8f76610d7739dd8d86cf73a683b820f89e9ee8ad8f1dabae9f8c04adbadc6bd8b91ddd2817fd3b82b4be673

Download Submit
memory/1740-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1740-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1740-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2444-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download