bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae

Analysis

max time kernel
152s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 01:10

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General

Target

bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe
Size

381KB
MD5

a3d480ba00137202a96d1fe4d563d552
SHA1

e528412dc45db42f1c630f4644b46a8377974e2c
SHA256

bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae
SHA512

8a44a80af2ef6ba170a8ff4a91414ba56e264497ee87d7a56f65e2039fe15075d030530556b83f9448f06ee0393314c6c90fb5164f936a3fe003f6f392cd6673
SSDEEP

6144:balupTHjhG7pgQZzMeUBusOtQvMkM2U5ruSQPc1YdQ2CpUtB5:eYTHdypgQBMeUK35ruJEKdnsk/

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-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation	bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
4432	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4432	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 3496	1856	bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe	97
PID 1856 wrote to memory of 3496	1856	bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe	97
PID 1856 wrote to memory of 3496	1856	bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe	97
PID 3496 wrote to memory of 4432	3496	cmd.exe	99
PID 3496 wrote to memory of 4432	3496	cmd.exe	99
PID 3496 wrote to memory of 4432	3496	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe
"C:\Users\Admin\AppData\Local\Temp\bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3496
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "bc8a042d1b77efec281dcc1f7653165e2e8218e6ef0dc225571aef6c664a73ae.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4432

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

memory/1856-1-0x00000000026C0000-0x00000000027C0000-memory.dmp

Filesize
1024KB

Download
memory/1856-2-0x00000000041C0000-0x00000000041FE000-memory.dmp

Filesize
248KB

Download
memory/1856-3-0x0000000000400000-0x00000000025B3000-memory.dmp

Filesize
33.7MB

Download
memory/1856-4-0x00000000026C0000-0x00000000027C0000-memory.dmp

Filesize
1024KB

Download
memory/1856-5-0x0000000000400000-0x00000000025B3000-memory.dmp

Filesize
33.7MB

Download
memory/1856-6-0x00000000041C0000-0x00000000041FE000-memory.dmp

Filesize
248KB

Download
memory/1856-11-0x0000000000400000-0x00000000025B3000-memory.dmp

Filesize
33.7MB

Download