4e30d4996b1aa35c126453a777d5a0456457b375258f7077b2284bf042baf99e

General

Target

3d3863207f7d96eb34d58a7c58841a00.exe
Size

347KB
MD5

3d3863207f7d96eb34d58a7c58841a00
SHA1

2232e5a01b356051311b98320027bd429da1e164
SHA256

4e30d4996b1aa35c126453a777d5a0456457b375258f7077b2284bf042baf99e
SHA512

8286e968f2249fb817060f516a2b08124154d5af8704673b243b026801d84260895ad09a96bbbe9a75aa1b4b300b55102783e0cdcaf2c7d19602d2a2da8026e3
SSDEEP

6144:hGyGpETomEh+nAXutsj4OSQZhf5bHyIf6oQbsVwRq9id+1xpChMT:h3gET0P4OS4hfZ5fL7VCqNY0

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3356	LzyKF94Pbd33Tu8.exe
2292	CTS.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

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4176-0-0x00000000009C0000-0x00000000009D7000-memory.dmp	upx
behavioral2/files/0x00060000000231ef-7.dat	upx
behavioral2/memory/2292-8-0x00000000000E0000-0x00000000000F7000-memory.dmp	upx
behavioral2/memory/4176-10-0x00000000009C0000-0x00000000009D7000-memory.dmp	upx
behavioral2/files/0x000400000001e6ff-13.dat	upx
behavioral2/memory/2292-23-0x00000000000E0000-0x00000000000F7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	3d3863207f7d96eb34d58a7c58841a00.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	3d3863207f7d96eb34d58a7c58841a00.exe
File created	C:\Windows\CTS.exe	CTS.exe

Modifies registry class 8 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.GRF\ = "GraphEdtGraph"	LzyKF94Pbd33Tu8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph	LzyKF94Pbd33Tu8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\ = "Filter Graph"	LzyKF94Pbd33Tu8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command	LzyKF94Pbd33Tu8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell	LzyKF94Pbd33Tu8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open	LzyKF94Pbd33Tu8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\LZYKF9~1.EXE \"%1\""	LzyKF94Pbd33Tu8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.GRF	LzyKF94Pbd33Tu8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4176	3d3863207f7d96eb34d58a7c58841a00.exe
Token: SeDebugPrivilege	2292	CTS.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3356	LzyKF94Pbd33Tu8.exe
3356	LzyKF94Pbd33Tu8.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 3356	4176	3d3863207f7d96eb34d58a7c58841a00.exe	89
PID 4176 wrote to memory of 3356	4176	3d3863207f7d96eb34d58a7c58841a00.exe	89
PID 4176 wrote to memory of 2292	4176	3d3863207f7d96eb34d58a7c58841a00.exe	90
PID 4176 wrote to memory of 2292	4176	3d3863207f7d96eb34d58a7c58841a00.exe	90
PID 4176 wrote to memory of 2292	4176	3d3863207f7d96eb34d58a7c58841a00.exe	90

C:\Users\Admin\AppData\Local\Temp\3d3863207f7d96eb34d58a7c58841a00.exe
"C:\Users\Admin\AppData\Local\Temp\3d3863207f7d96eb34d58a7c58841a00.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4176
- C:\Users\Admin\AppData\Local\Temp\LzyKF94Pbd33Tu8.exe
  C:\Users\Admin\AppData\Local\Temp\LzyKF94Pbd33Tu8.exe
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:3356
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
382KB

MD5
5ea93b6542aac2bb8010c2edf55e2ed1

SHA1
320c873d7a8b3b683235b04dec550b267c58145a

SHA256
cabe83b675a42d9981aa8154b93e75672f2072139386dfdf36deaebaa26485ad

SHA512
80221fb533aa9fb200423420713a5df379ed384839c4b15a03f5ff71693fc0c48838e653f91f383eb307b8801fa19e2370a370c403eabe0a5fc28c8cdd6c5d27

Download Submit
C:\Users\Admin\AppData\Local\Temp\LzyKF94Pbd33Tu8.exe

Filesize
288KB

MD5
880e155f8f47fb0db7b2080e71d59568

SHA1
2ed0c0f809765bbabd8c7d4f58e9a0bacf2bb629

SHA256
6011cd7d1a314d109bc0755d17be2e7812b2f5542ec24f3f3023532c1e8a1d44

SHA512
70977d36b8ec8c271c5ffd3303677743a2626196bb62af5d817e86a7eeed972bbb70acdd81508f7b4ee1da366ce02cd96a8d0e6f11627842f195cfd0c53a5bec

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2292-8-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/2292-23-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/4176-0-0x00000000009C0000-0x00000000009D7000-memory.dmp

Filesize
92KB

Download
memory/4176-10-0x00000000009C0000-0x00000000009D7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads