452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea

Analysis

max time kernel
142s
max time network
130s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
10-10-2023 20:46

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General

Target

452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe
Size

199KB
MD5

9d6159b75fb264b9a9e5b07c4927f09d
SHA1

e1aefbc9440b62fc12be300c7ca28beea77df7e3
SHA256

452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea
SHA512

c9171b1073af112843d57d72ec99b9ced110a7e5c8b4b5ce477e23559565e665ef929be0b2fe7135073097928a89bd1487c81e022eb03a2079180b329e24f529
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOb:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXm

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2748	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2212	jaohost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\jaohost.exe	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe
File opened for modification	C:\Windows\Debug\jaohost.exe	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	jaohost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	jaohost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1900	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2748	1900	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe	29
PID 1900 wrote to memory of 2748	1900	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe	29
PID 1900 wrote to memory of 2748	1900	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe	29
PID 1900 wrote to memory of 2748	1900	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe	29

C:\Users\Admin\AppData\Local\Temp\452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe
"C:\Users\Admin\AppData\Local\Temp\452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\452EFC~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2748

C:\Windows\Debug\jaohost.exe
C:\Windows\Debug\jaohost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\jaohost.exe

Filesize
199KB

MD5
e409a4ee410a30790e0e27d22fe9e0b8

SHA1
15157fc1bb84697b529bcb17c6ae754c7c543672

SHA256
8022da89e42bd94334a6bd3350f451be77eb9e363821c34fcf180b7dccb34fbf

SHA512
6af5dbd1c89e75a60f4321390e699d240342b4edec1b7f186f8abed19b85910ddbaf30dc95c070db88f60be1df108475426a2e25b22ed74773230b5420ce68c9

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C:\Windows\debug\jaohost.exe

Filesize
199KB

MD5
e409a4ee410a30790e0e27d22fe9e0b8

SHA1
15157fc1bb84697b529bcb17c6ae754c7c543672

SHA256
8022da89e42bd94334a6bd3350f451be77eb9e363821c34fcf180b7dccb34fbf

SHA512
6af5dbd1c89e75a60f4321390e699d240342b4edec1b7f186f8abed19b85910ddbaf30dc95c070db88f60be1df108475426a2e25b22ed74773230b5420ce68c9

Download Submit