e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2024 04:20

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General

Target

e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe
Size

65KB
MD5

97f73147e11abebfe25f5e6b4461d449
SHA1

e2b0f8f7511297b5da915096f9ac6eb4d057a6e0
SHA256

e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c
SHA512

0ee3b2beca57d92ee5bf32f5d9d4ad3241dfb021a3eb65f0f63d92662ccbab3c09cf9ce5edb5c7fd6461783ef39801b044e51b29cd19b7b3ae95e1775b1bb146
SSDEEP

768:ZrItKyw5WHXfQIhIiIk9ecAaVPD96KyX6W:Zr3Z5IfQIR81ad5yX6W

Score

9^/10

evasion

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3436-0-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
C:\Windows\debug\cuehost.exe	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1544-5-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3436-6-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1544-7-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

2708 attrib.exe

pid	process
2708	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe

Executes dropped EXE 1 IoCs

Processes:

cuehost.exe

pid process

1544 cuehost.exe

pid	process
1544	cuehost.exe

Drops file in Windows directory 3 IoCs

Processes:

e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exeattrib.exe

description	ioc	process
File created	C:\Windows\Debug\cuehost.exe	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe
File opened for modification	C:\Windows\Debug\cuehost.exe	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe
File opened for modification	C:\Windows\Debug\cuehost.exe	attrib.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe

description pid process

Token: SeIncBasePriorityPrivilege 3436 e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3436	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe

description	pid	process	target process
PID 3436 wrote to memory of 2708	3436	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe	attrib.exe
PID 3436 wrote to memory of 2708	3436	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe	attrib.exe
PID 3436 wrote to memory of 2708	3436	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe	attrib.exe
PID 3436 wrote to memory of 2684	3436	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe	cmd.exe
PID 3436 wrote to memory of 2684	3436	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe	cmd.exe
PID 3436 wrote to memory of 2684	3436	e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe	cmd.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

2708 attrib.exe

pid	process
2708	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe
"C:\Users\Admin\AppData\Local\Temp\e036eda681626cc0a7cf380bf2305b5ebd0b69741ce70b41f158bc9d3f56918c.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3436

C:\Windows\SysWOW64\attrib.exe
attrib +a +s +h +r C:\Windows\Debug\cuehost.exe
2⤵
- Sets file to hidden
- Drops file in Windows directory
- Views/modifies file attributes
PID:2708

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E036ED~1.EXE > nul
2⤵
PID:2684

C:\Windows\Debug\cuehost.exe
C:\Windows\Debug\cuehost.exe
1⤵
- Executes dropped EXE
PID:1544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\debug\cuehost.exe

Filesize
65KB

MD5
ffec8b875a52665a74cefd5ae51adb37

SHA1
55f444f9f7a3ed3e46a01f8c12d5d9dce318fa34

SHA256
2e1b0a9194018471ccf8fc6ae1081803f68242b3b193b5fb6a7ef0baa894abcc

SHA512
2a6b556e15c176dc4783dba45f336e612faf1491798f48b692d142289c16538ac72bcbb96e54c454af09e06a45bf40b95162438029c292c4dc6e5266a8168cf0

Download Submit
memory/1544-5-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1544-7-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3436-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3436-6-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download