ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
05-06-2024 03:33

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General

Target

ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe
Size

66KB
MD5

eba8f9171e4ce554cf0d80687f159848
SHA1

0a221894b9887cca72067e22f7f254d3ca8b469e
SHA256

ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078
SHA512

15b6acefded5c813b7a5eb45fc3ec800ee195847df47167ce8d3ec7e7bb29ed7e8690d92a6c12824bd2d78b4f9062a24654d405c32c23370177c02d7d5988a49
SSDEEP

768:ZrItKyw5WHXfQIhIiIk9ecAaVPD96KyX67:Zr3Z5IfQIR81ad5yX67

Score

9^/10

evasion

Malware Config

Signatures

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

resource	yara_rule
behavioral1/memory/2232-0-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/files/0x000a000000012286-3.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2284-5-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2232-6-0x0000000000400000-0x0000000000411000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2284-7-0x0000000000400000-0x0000000000411000-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

pid	Process
2948	attrib.exe

Deletes itself 1 IoCs

pid	Process
2388	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2284	zskhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\zskhost.exe	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe
File opened for modification	C:\Windows\Debug\zskhost.exe	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe
File opened for modification	C:\Windows\Debug\zskhost.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

description	pid	Process
Token: SeIncBasePriorityPrivilege	2232	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2948	2232	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe	28
PID 2232 wrote to memory of 2948	2232	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe	28
PID 2232 wrote to memory of 2948	2232	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe	28
PID 2232 wrote to memory of 2948	2232	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe	28
PID 2232 wrote to memory of 2388	2232	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe	31
PID 2232 wrote to memory of 2388	2232	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe	31
PID 2232 wrote to memory of 2388	2232	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe	31
PID 2232 wrote to memory of 2388	2232	ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2948	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe
"C:\Users\Admin\AppData\Local\Temp\ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\zskhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:2948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\CE70DB~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2388

C:\Windows\Debug\zskhost.exe
C:\Windows\Debug\zskhost.exe
1⤵
- Executes dropped EXE
PID:2284

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\zskhost.exe

Filesize
66KB

MD5
66ada2f0a68bec89cfff757bf638a92f

SHA1
030adcc773bc6e1a46686fd5d96e47251f996880

SHA256
eab42393d98dc244691762aae9c7041fad0f3fa663296e3c05c64498334c182b

SHA512
93046606327906c3d37e92d39eee6d74f395b13942736c0a5e993aed2737b150794c58e0b2f877bb328b943f221a017d6187eebf96b859c97e41790cd9b2ab06

Download Submit
memory/2232-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2232-6-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2284-5-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2284-7-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads