f285822ef8c947a87e556858a8332ed26edda052e597c67a7831753c376e01b4

Analysis

max time kernel
42s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
13-06-2021 16:05

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General

Target

c34157e025416d3ddf0a8610fa2e8b98.exe
Size

515KB
MD5

c34157e025416d3ddf0a8610fa2e8b98
SHA1

03005c0c1469b7dbe9eff095bfd3ecbc3a713811
SHA256

f285822ef8c947a87e556858a8332ed26edda052e597c67a7831753c376e01b4
SHA512

16de23d61d7dad4f239980ac02aa765be38bc42647c63ede13441a73c002bd0b91a4681159cca9170f41fa003a7725926b61c09a124fec700028de7c425679cd

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3792-119-0x0000000000400000-0x00000000004F6000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 632 set thread context of 3792	632	c34157e025416d3ddf0a8610fa2e8b98.exe	78

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
632	c34157e025416d3ddf0a8610fa2e8b98.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3792	c34157e025416d3ddf0a8610fa2e8b98.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3792	c34157e025416d3ddf0a8610fa2e8b98.exe
Token: SeCreatePagefilePrivilege	3792	c34157e025416d3ddf0a8610fa2e8b98.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
632	c34157e025416d3ddf0a8610fa2e8b98.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 3792	632	c34157e025416d3ddf0a8610fa2e8b98.exe	78
PID 632 wrote to memory of 3792	632	c34157e025416d3ddf0a8610fa2e8b98.exe	78
PID 632 wrote to memory of 3792	632	c34157e025416d3ddf0a8610fa2e8b98.exe	78
PID 632 wrote to memory of 3792	632	c34157e025416d3ddf0a8610fa2e8b98.exe	78
PID 3792 wrote to memory of 628	3792	c34157e025416d3ddf0a8610fa2e8b98.exe	80
PID 3792 wrote to memory of 628	3792	c34157e025416d3ddf0a8610fa2e8b98.exe	80
PID 3792 wrote to memory of 628	3792	c34157e025416d3ddf0a8610fa2e8b98.exe	80

C:\Users\Admin\AppData\Local\Temp\c34157e025416d3ddf0a8610fa2e8b98.exe
"C:\Users\Admin\AppData\Local\Temp\c34157e025416d3ddf0a8610fa2e8b98.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:632
- C:\Users\Admin\AppData\Local\Temp\c34157e025416d3ddf0a8610fa2e8b98.exe
  "C:\Users\Admin\AppData\Local\Temp\c34157e025416d3ddf0a8610fa2e8b98.exe"
  2⤵
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3792
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\dPst2mEmK7dUOxUf.bat" "
    3⤵
    PID:628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/632-116-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/632-117-0x0000000000610000-0x0000000000617000-memory.dmp

Filesize
28KB

Download
memory/3792-119-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/3792-120-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download