e1a4f84716f597d3bdb3097fd7d3cf6db230f853c2719156cc5a1ae1b7b5051c

General

Target

4a9fa940e898ebcc4f723cad30f0ad07.exe
Size

838KB
MD5

4a9fa940e898ebcc4f723cad30f0ad07
SHA1

d4bf4aa1811c33145d8fd41966f28fd5cdae2f88
SHA256

e1a4f84716f597d3bdb3097fd7d3cf6db230f853c2719156cc5a1ae1b7b5051c
SHA512

c23c3bbfda82df201f5f5ea429e0aa6c14ccfd8cbd43addbbfc5d77dfa0717ed02d60c7ab8a581cdfc651653223b339246374bd892cb7c546b5245e1ea0206bc
SSDEEP

12288:SXo30W26PmYn4QqWJgksAQYUT6eETMaICXadZe09CKEvYzQq6E+UFRZECNzYlL:SXo526e49CbaMavt0IfY8vE+MRGizML

Score

7^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

isecurity.exe

pid process

2760 isecurity.exe
Loads dropped DLL 3 IoCs

Processes:

4a9fa940e898ebcc4f723cad30f0ad07.exe

pid process

2136 4a9fa940e898ebcc4f723cad30f0ad07.exe
2136 4a9fa940e898ebcc4f723cad30f0ad07.exe
2136 4a9fa940e898ebcc4f723cad30f0ad07.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

isecurity.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\Internet Security = "C:\\ProgramData\\isecurity.exe"	isecurity.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

isecurity.exe

description	ioc	process
File opened (read-only)	\??\G:	isecurity.exe
File opened (read-only)	\??\R:	isecurity.exe
File opened (read-only)	\??\S:	isecurity.exe
File opened (read-only)	\??\Y:	isecurity.exe
File opened (read-only)	\??\I:	isecurity.exe
File opened (read-only)	\??\O:	isecurity.exe
File opened (read-only)	\??\U:	isecurity.exe
File opened (read-only)	\??\X:	isecurity.exe
File opened (read-only)	\??\E:	isecurity.exe
File opened (read-only)	\??\H:	isecurity.exe
File opened (read-only)	\??\J:	isecurity.exe
File opened (read-only)	\??\T:	isecurity.exe
File opened (read-only)	\??\W:	isecurity.exe
File opened (read-only)	\??\K:	isecurity.exe
File opened (read-only)	\??\L:	isecurity.exe
File opened (read-only)	\??\M:	isecurity.exe
File opened (read-only)	\??\N:	isecurity.exe
File opened (read-only)	\??\P:	isecurity.exe
File opened (read-only)	\??\Q:	isecurity.exe
File opened (read-only)	\??\V:	isecurity.exe
File opened (read-only)	\??\Z:	isecurity.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

isecurity.exe

description ioc process

File opened for modification \??\PhysicalDrive0 isecurity.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	\??\PhysicalDrive0	isecurity.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

4a9fa940e898ebcc4f723cad30f0ad07.exeisecurity.exe

pid	process
2136	4a9fa940e898ebcc4f723cad30f0ad07.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
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2760	isecurity.exe
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2760	isecurity.exe
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2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
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2760	isecurity.exe
2760	isecurity.exe
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2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe

Suspicious use of FindShellTrayWindow 17 IoCs

Processes:

isecurity.exe

pid	process
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe

Suspicious use of SendNotifyMessage 17 IoCs

Processes:

isecurity.exe

pid	process
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe
2760	isecurity.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

isecurity.exe

pid process

2760 isecurity.exe
2760 isecurity.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4a9fa940e898ebcc4f723cad30f0ad07.exe

description	pid	process	target process
PID 2136 wrote to memory of 2760	2136	4a9fa940e898ebcc4f723cad30f0ad07.exe	isecurity.exe
PID 2136 wrote to memory of 2760	2136	4a9fa940e898ebcc4f723cad30f0ad07.exe	isecurity.exe
PID 2136 wrote to memory of 2760	2136	4a9fa940e898ebcc4f723cad30f0ad07.exe	isecurity.exe
PID 2136 wrote to memory of 2760	2136	4a9fa940e898ebcc4f723cad30f0ad07.exe	isecurity.exe

C:\Users\Admin\AppData\Local\Temp\4a9fa940e898ebcc4f723cad30f0ad07.exe
"C:\Users\Admin\AppData\Local\Temp\4a9fa940e898ebcc4f723cad30f0ad07.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2136

C:\ProgramData\isecurity.exe
C:\ProgramData\isecurity.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2760

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\isecurity.exe
Filesize
167KB

MD5
1cd9a151ba2a7248009264105ae53115

SHA1
2f99f897a1e1ba64518e0f1505dd1720ce5272f0

SHA256
4e84ceaeb2853eb3db6dd47815475ca1ab8c374e42fee67a08a5a2d0f4af0d92

SHA512
1a6b883a602f59f66d8a834fef4df54da987961abb31fc6151fd249041385081b9200abda27784df596c1a95e7fae4f0d44f6e59600ff0ca9fc95af38aacf125

Download Submit
C:\ProgramData\isecurity.exe
Filesize
112KB

MD5
195520ab18c979a519484063c6afdc63

SHA1
5b3bf70dc0b5d8384f46b6763a4e5bb5ae0064b1

SHA256
5be6fc11f58345a2a082cc75f475b3488b0e1f9f68e337bec9c6959590dd9c69

SHA512
804e9fd440c56558171814d1b4a955330daba4961b58ad199008056a5c16f530b6a14539a09288588741135d5f60d1358c011cefe5f8b991e7c4947240f4aaf2

Download Submit
\ProgramData\isecurity.exe
Filesize
89KB

MD5
5b4e62a5cd20c3211b39659d6d39434b

SHA1
50eee7e0fbe9a6be973ff336d58e5a167d8bfda9

SHA256
47aff75beb2cecf23e9a78dd85628cdb05e3f8cc68eb3d304aa913b5d5f58e09

SHA512
9d697c244bde94d3d43e80427ca12c7f4074583975df2583843dff6377ac21c26858c60a89aba6149d1965da31cb89fade604d1d3fbb320cc58cabae8a507938

Download Submit
\ProgramData\isecurity.exe
Filesize
57KB

MD5
0080e98e3984f5d11e216a6e6f61f709

SHA1
179089992b79e70ea4a3e0c77e45ac49119af72f

SHA256
41e947fee88e8b3d4a34fab0f2f41c9848ebeb02992c9cf307c44efef5cdf6b1

SHA512
45938bbf33077902357139df4de518a451a0668a247e0907560739d604e121f97e6adb6a46155fa59a160498bcb6817353aee293ae0effc8b2788a307f65633a

Download Submit
\ProgramData\isecurity.exe
Filesize
136KB

MD5
fa815fe63806f436f2682cd330c00213

SHA1
48271ac11ea578e1d3382be2c6c6d4261de696da

SHA256
fb80752ad92fa64bc549e0feaec80f7c312f949851420582c7fec45be3441af7

SHA512
2a4989910390f13e30d6ad77ae37c19a69d17d47a086e13f9ad7b4198d6d1caf0700809e96e56a1e206eb7f1f8bc349d6db5003468acb393548fc757ec3a73e7

Download Submit
memory/2136-2-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2136-1-0x0000000000400000-0x00000000004FC000-memory.dmp

Filesize
1008KB

Download
memory/2136-5-0x0000000077C70000-0x0000000077C71000-memory.dmp

Filesize
4KB

Download
memory/2136-12-0x0000000000400000-0x00000000004FC000-memory.dmp

Filesize
1008KB

Download
memory/2136-0-0x0000000000400000-0x00000000004FC000-memory.dmp

Filesize
1008KB

Download
memory/2760-28-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-34-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-24-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-23-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-21-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-27-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-20-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-29-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-30-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-31-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2760-33-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-25-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2760-35-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-36-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-37-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-38-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-39-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-40-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-41-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-42-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-43-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-44-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads