b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2023 02:57

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General

Target

b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.exe
Size

198KB
MD5

64c243bee8a149048cfe25e8eec150d9
SHA1

7621e5dc70d1fb8daa4a99933d4a7ffa305d5f31
SHA256

b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b
SHA512

224ecbdf24b8d1b263531daba968f63271974773e33261391e1f77e44c28891da5bcded763a851639c2dc5f12180e93a94fa90d5977d2be1bda5c09c26657872
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCO+:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXP

Score

7^/10

Malware Config

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.exe

Executes dropped EXE 1 IoCs

pid	Process
3244	jmahost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\jmahost.exe	b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.exe
File opened for modification	C:\Windows\Debug\jmahost.exe	b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.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	jmahost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	jmahost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2288	b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 4844	2288	b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.exe	86
PID 2288 wrote to memory of 4844	2288	b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.exe	86
PID 2288 wrote to memory of 4844	2288	b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.exe	86

C:\Users\Admin\AppData\Local\Temp\b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.exe
"C:\Users\Admin\AppData\Local\Temp\b65d5827783e5c7c2d63519297104e7b5c8dae747ec4e24db6d3d2ee6a7eda5b.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B65D58~1.EXE > nul
  2⤵
  PID:4844

C:\Windows\Debug\jmahost.exe
C:\Windows\Debug\jmahost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3244

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

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Downloads

C:\Windows\Debug\jmahost.exe

Filesize
198KB

MD5
70ceeb1a03562f4c09fd487d498808c7

SHA1
90f75a050a7087c569e5d54a3544cef9eb1557e0

SHA256
d5f21bddd2d608fdd2ead658b1a7051838786a18b98d9b747c0cdde69d017175

SHA512
bf8e623674e05596c67bae9a09fd04ba531e5079a36afacbec28308d417e0a9f3462ff7e71b77dc95326e07bbe6a48e34df0066e7223e22ca34f632fcfd7e7d8

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C:\Windows\debug\jmahost.exe

Filesize
198KB

MD5
70ceeb1a03562f4c09fd487d498808c7

SHA1
90f75a050a7087c569e5d54a3544cef9eb1557e0

SHA256
d5f21bddd2d608fdd2ead658b1a7051838786a18b98d9b747c0cdde69d017175

SHA512
bf8e623674e05596c67bae9a09fd04ba531e5079a36afacbec28308d417e0a9f3462ff7e71b77dc95326e07bbe6a48e34df0066e7223e22ca34f632fcfd7e7d8

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads