099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25/05/2024, 18:28

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General

Target

099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe
Size

69KB
MD5

56afab560134b74a4d846efc624c82fc
SHA1

882211287468aeedbfd330488824daf6c248a222
SHA256

099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759
SHA512

3a52b5187df2d499abc9b16fc3f864afdd3e8e1a123f5cb46dcf6e48584c27cc87d505fe7a77f216cd86ce9478785e02c40899f0f580f9ed7272d2f083ea211d
SSDEEP

768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/dB:i5nkFGMOtEvwDpjNbwQEI8UZDL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2368-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c00000001225d-11.dat	CryptoLocker_rule2
behavioral1/memory/2628-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2628-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral1/memory/2368-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2628-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2628-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral1/memory/2368-8-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000c00000001225d-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2628-16-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2628-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2628	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.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 2368 wrote to memory of 2628	2368	099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe	28
PID 2368 wrote to memory of 2628	2368	099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe	28
PID 2368 wrote to memory of 2628	2368	099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe	28
PID 2368 wrote to memory of 2628	2368	099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe	28

C:\Users\Admin\AppData\Local\Temp\099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe
"C:\Users\Admin\AppData\Local\Temp\099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2628

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
69KB

MD5
db406b7e1287b3fbd8e63714b654b8f5

SHA1
5e9702c072aad172055e4dd3625c6bf8abe1a911

SHA256
4fabf7674f414ca03e81d12942be301521697e6785af32b7e3c0c30fec58e387

SHA512
c0400157b4f42973e8585eb18188df3a569c7bd791637a53c67436f3f6963103eed2ec03825ad17946311f14a9008b4983d61849c1f56d7c051e218b5142ec02

Download Submit
memory/2368-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2368-9-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2368-8-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2368-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2628-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2628-19-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2628-18-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2628-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download