8dc22e1920473eca003886953bc32cb4fe5c1ba16c8a6c6bced7fda43a421426

Analysis

max time kernel
55s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 12:57

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General

Target
Purchase Order.exe
Size 2.3MB
Sample210503-esh6x2s5g2
SHA256 8dc22e1920473eca003886953bc32cb4fe5c1ba16c8a6c6bced7fda43a421426
MD5 07c6c251f9becf11bdd45a217a5a08b9
SHA1 32ead1974a269272d18767511d41071c616ad593
SHA512 d8769f04199bae7089140063210601fe1a12e7d554f1eff7d5078638d65be3f1200f93545adf7d2f9e77a48cc8f68794aec66f079b6e1e1a9f239fa371ce4fa2
MD5 SHA1 SHA512

Score

5^/10

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

pid	Process
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2620	timeout.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1828	Purchase Order.exe
1828	Purchase Order.exe
1828	Purchase Order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1828	Purchase Order.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 4076	1828	Purchase Order.exe	76
PID 1828 wrote to memory of 4076	1828	Purchase Order.exe	76
PID 1828 wrote to memory of 4076	1828	Purchase Order.exe	76
PID 4076 wrote to memory of 2620	4076	cmd.exe	78
PID 4076 wrote to memory of 2620	4076	cmd.exe	78
PID 4076 wrote to memory of 2620	4076	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4076
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - Delays execution with timeout.exe
    PID:2620

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/1828-114-0x0000000000400000-0x0000000000401000-memory.dmp

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memory/1828-116-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

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memory/1828-117-0x0000000002740000-0x0000000002794000-memory.dmp

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memory/1828-120-0x0000000005220000-0x0000000005221000-memory.dmp

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memory/1828-121-0x0000000005FC0000-0x0000000005FC1000-memory.dmp

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