9d17928d26e58f813b81822a05e1538163d9e9f3189516ff9be77a58697f97e3

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 03:45

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General

Target

2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe
Size

36KB
MD5

9724eaa3ac616848ea8e25fb95dac6f6
SHA1

15dfa78868a6fec48d923a841d41ee744dcf9e4d
SHA256

9d17928d26e58f813b81822a05e1538163d9e9f3189516ff9be77a58697f97e3
SHA512

0c78dc7a069e4066503fde055b21e4d972b1278102fde0248c02e62c857bab617e4ce334c02d63c10a016bef8f518431627b81ad5cf9c4fb804f84c7a2b4aec0
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6c3l8Sz960SPluRin:bAvJCYOOvbRPDEgXRc3SSz3SPE4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015f7a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2748	demka.exe

Loads dropped DLL 1 IoCs

pid	Process
2212	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.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
2212	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe
2748	demka.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2748	2212	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe	28
PID 2212 wrote to memory of 2748	2212	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe	28
PID 2212 wrote to memory of 2748	2212	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe	28
PID 2212 wrote to memory of 2748	2212	2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2748

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\demka.exe

Filesize
36KB

MD5
d4157d2333a7bd769a800d0394e29905

SHA1
47604ffe3cb0e02098ef52d391f15f92eb1d904a

SHA256
70773106fe5378a01cb22e8c1e3219296034c65aab28400d9ae7ae7592d16c8c

SHA512
81226fbb3fdba7083a0066fdd29fb8099f67c3c6e3e9284c83c2b74a7b3e036fe0e70d1a4be1aff9f221cfc1c72aa7d634e17c672d2e26f179dde64bc0b47e9c

Download Submit
memory/2212-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2212-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2212-8-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2748-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download