678b3bcdba43bb32445d3088d4dd3ce9209a23381841830ab4c1ea8cb609edd3

Analysis

max time kernel
97s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
01/06/2021, 15:43

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General

Target
INQUIRY_SAMPLES773887_PDF.scr
Size 268KB
Sample210601-y2h5c5cs2x
SHA256 678b3bcdba43bb32445d3088d4dd3ce9209a23381841830ab4c1ea8cb609edd3
MD5 b72e0e1344e5107ad9ccbdb27164114f
SHA1 c17042a608b459534f5cee1fe5a40bad4a0e109f
SHA512 fdedff0906824bdcb5f51256a4024407e13bac33cdaffb544c2aee2bab4dafa127003d3a1148b395ceaabd37aa280f1f24909851fc303c04faaa82c5ddcebc71
MD5 SHA1 SHA512

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
408	INQUIRY_SAMPLES773887_PDF.scr
408	INQUIRY_SAMPLES773887_PDF.scr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 408 set thread context of 2432	408	INQUIRY_SAMPLES773887_PDF.scr	75

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2432	MSBuild.exe
2432	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
408	INQUIRY_SAMPLES773887_PDF.scr

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	MSBuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 2432	408	INQUIRY_SAMPLES773887_PDF.scr	75
PID 408 wrote to memory of 2432	408	INQUIRY_SAMPLES773887_PDF.scr	75
PID 408 wrote to memory of 2432	408	INQUIRY_SAMPLES773887_PDF.scr	75
PID 408 wrote to memory of 2432	408	INQUIRY_SAMPLES773887_PDF.scr	75

C:\Users\Admin\AppData\Local\Temp\INQUIRY_SAMPLES773887_PDF.scr
"C:\Users\Admin\AppData\Local\Temp\INQUIRY_SAMPLES773887_PDF.scr" /S
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:408
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\INQUIRY_SAMPLES773887_PDF.scr" /S
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2432

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/2432-117-0x0000000002F50000-0x0000000002F51000-memory.dmp

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memory/2432-118-0x0000000002F51000-0x0000000002F52000-memory.dmp

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memory/2432-119-0x0000000002F52000-0x0000000002F53000-memory.dmp

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