1173900a14a0d9de3390b65df0e77ffe3e719eb58498060055932f50745d2997

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
23/10/2023, 17:14

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General

Target

NEAS.2023-09-06_51711bbe2594539f5e818bfab630356d_cryptolocker_JC.exe
Size

38KB
MD5

51711bbe2594539f5e818bfab630356d
SHA1

be0a01b0f18e290b09cf6ca16dc70e3465728489
SHA256

1173900a14a0d9de3390b65df0e77ffe3e719eb58498060055932f50745d2997
SHA512

5fe68e68ee66d940a0d872499b390da8e7b1ce53989636e9fe331a3ab3f6fccaac715794d44ea85b040aaa322155f679b33b994d691e51a94659d9b4d0a02219
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkegAf:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+5

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2444	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	NEAS.2023-09-06_51711bbe2594539f5e818bfab630356d_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 WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2444	2100	NEAS.2023-09-06_51711bbe2594539f5e818bfab630356d_cryptolocker_JC.exe	28
PID 2100 wrote to memory of 2444	2100	NEAS.2023-09-06_51711bbe2594539f5e818bfab630356d_cryptolocker_JC.exe	28
PID 2100 wrote to memory of 2444	2100	NEAS.2023-09-06_51711bbe2594539f5e818bfab630356d_cryptolocker_JC.exe	28
PID 2100 wrote to memory of 2444	2100	NEAS.2023-09-06_51711bbe2594539f5e818bfab630356d_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_51711bbe2594539f5e818bfab630356d_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_51711bbe2594539f5e818bfab630356d_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
38KB

MD5
31b3afe4ccdb566559b226d6983be81d

SHA1
563dd5b26b711384385b6ffc5bed4c85fb6fa0b4

SHA256
ae305b1abe1be058cd1de62e2f969e35a11d2482c57e2946daa142d2ff0c77bb

SHA512
dcdbf62e6be6df6bed9679e3d14705949ef89f4166df2db45260d21a7a3d8d7dd46c1c910c48561078bf8a1d77094f6f7c63bcc0ec2915f7220c635aea588b62

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

Filesize
38KB

MD5
31b3afe4ccdb566559b226d6983be81d

SHA1
563dd5b26b711384385b6ffc5bed4c85fb6fa0b4

SHA256
ae305b1abe1be058cd1de62e2f969e35a11d2482c57e2946daa142d2ff0c77bb

SHA512
dcdbf62e6be6df6bed9679e3d14705949ef89f4166df2db45260d21a7a3d8d7dd46c1c910c48561078bf8a1d77094f6f7c63bcc0ec2915f7220c635aea588b62

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

Filesize
38KB

MD5
31b3afe4ccdb566559b226d6983be81d

SHA1
563dd5b26b711384385b6ffc5bed4c85fb6fa0b4

SHA256
ae305b1abe1be058cd1de62e2f969e35a11d2482c57e2946daa142d2ff0c77bb

SHA512
dcdbf62e6be6df6bed9679e3d14705949ef89f4166df2db45260d21a7a3d8d7dd46c1c910c48561078bf8a1d77094f6f7c63bcc0ec2915f7220c635aea588b62

Download Submit
memory/2100-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2100-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2100-3-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2100-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2100-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2444-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2444-19-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2444-18-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2444-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download