e305c9ff82307ce675ac9659b302e24cd93574fa9d52f92eb12394935b94fcb4

Analysis

max time kernel
11s
max time network
16s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/02/2023, 14:11

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General

Target

AnyDesk ID Changer.exe
Size

56KB
MD5

bc39e783bb977d61f435361f004ce75f
SHA1

ed6c979c0323f606762a3ecd866be93f39cb8e5b
SHA256

e305c9ff82307ce675ac9659b302e24cd93574fa9d52f92eb12394935b94fcb4
SHA512

a743d91b1286f53c125756996e5da8270be9293fbd4d19c4ad2f1103970df68099f7ac893c3da8547e67ac9ed7ea7bc15b3135a3ecca5707393877487bf5ac81
SSDEEP

768:H/oopV0TmEgMdeU/f5kjDCvk+8ch4WIgRCS34+Uj9X8XtnBkSUaq1LyJkz:foopVl8eUH+joGc/IgRVUj98LHa

Score

7^/10

upx

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	AnyDesk ID Changer.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/4972-132-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/4972-136-0x0000000000400000-0x0000000000422000-memory.dmp	upx

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
4556	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4556	taskkill.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 4352	4972	AnyDesk ID Changer.exe	80
PID 4972 wrote to memory of 4352	4972	AnyDesk ID Changer.exe	80
PID 4352 wrote to memory of 4556	4352	cmd.exe	83
PID 4352 wrote to memory of 4556	4352	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\AnyDesk ID Changer.exe
"C:\Users\Admin\AppData\Local\Temp\AnyDesk ID Changer.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\812B.tmp\812C.tmp\812D.bat "C:\Users\Admin\AppData\Local\Temp\AnyDesk ID Changer.exe""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4352
- - C:\Windows\system32\taskkill.exe
    taskkill /f /im anydesk.exe /t
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4556

Network

MITRE ATT&CK Enterprise v6

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:\Users\Admin\AppData\Local\Temp\812B.tmp\812C.tmp\812D.bat

Filesize
183B

MD5
5b1f42629d67189f16cf3333bc939dbd

SHA1
ae229ab0666477045f2c7a0a30695b52797cd697

SHA256
61c6d5b739c8eb8ad52b37807994640f2100a6e5ec18f67ed088a382f7210e2a

SHA512
4d08a887c35fb358a31c71897ab571b65ac204660334e34956e4ccd35d29faf00c7281b3c2377d2f17c712d3f77c9219f3f956c07afa325705e9da5a92bfeba0

Download Submit
memory/4972-132-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4972-136-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download