ce70dbdd9f21f9266c6b48ddb0b2663b3d20573d988a2f149b4901e9604ee078

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

DNS

v9hDnO1rTe.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

v9hDnO1rTe.nnnn.eu.org

IN A

Response
DNS

VpsP4rVzCs.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

VpsP4rVzCs.nnnn.eu.org

IN A

Response
DNS

5VZappybQa.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

5VZappybQa.nnnn.eu.org

IN A

Response
DNS

fhHm6JSjo.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

fhHm6JSjo.nnnn.eu.org

IN A

Response
DNS

FNSxsHRqu2.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

FNSxsHRqu2.nnnn.eu.org

IN A

Response

No results found

8.8.8.8:53

v9hDnO1rTe.nnnn.eu.org

dns

zskhost.exe

68 B
118 B
1
1

DNS Request

v9hDnO1rTe.nnnn.eu.org
8.8.8.8:53

VpsP4rVzCs.nnnn.eu.org

dns

zskhost.exe

68 B
118 B
1
1

DNS Request

VpsP4rVzCs.nnnn.eu.org
8.8.8.8:53

5VZappybQa.nnnn.eu.org

dns

zskhost.exe

68 B
118 B
1
1

DNS Request

5VZappybQa.nnnn.eu.org
8.8.8.8:53

fhHm6JSjo.nnnn.eu.org

dns

zskhost.exe

67 B
117 B
1
1

DNS Request

fhHm6JSjo.nnnn.eu.org
8.8.8.8:53

FNSxsHRqu2.nnnn.eu.org

dns

zskhost.exe

68 B
118 B
1
1

DNS Request

FNSxsHRqu2.nnnn.eu.org

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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