c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779

Analysis

max time kernel
148s
max time network
145s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14/03/2023, 06:02

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General

Target

c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe
Size

546KB
MD5

c380473d0e661db60d8ea5bf0de605d8
SHA1

5351776308d8c03a2e703aa758b0d4dc739ca643
SHA256

c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779
SHA512

43257f2a675e83aca3491131b608b16403b43ed94149e70ac6626db2665737727ca26f210cc4ba5cf00c8dd5e792f26b8b38a13ceed25ec5ec341ec621814502
SSDEEP

12288:GzXrK1mPbNroeEEPQ3sKBNFg8L0jME/jL2:B14bNLOXNg8LqvLy

Score

7^/10

Malware Config

Signatures

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe

Loads dropped DLL 1 IoCs

pid	Process
1376	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1472	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1376	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe
1472	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1376 set thread context of 1472	1376	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe	28

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Columbae\Fetch\Drillmaster.ini	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe

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 1 IoCs

pid	Process
1472	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1376	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1472	1376	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe	28
PID 1376 wrote to memory of 1472	1376	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe	28
PID 1376 wrote to memory of 1472	1376	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe	28
PID 1376 wrote to memory of 1472	1376	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe	28
PID 1376 wrote to memory of 1472	1376	c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe	28

C:\Users\Admin\AppData\Local\Temp\c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe
"C:\Users\Admin\AppData\Local\Temp\c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe"
1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Users\Admin\AppData\Local\Temp\c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe
  "C:\Users\Admin\AppData\Local\Temp\c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:1472

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nso150A.tmp\System.dll

Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
memory/1472-63-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1472-64-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1472-81-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1472-82-0x0000000001470000-0x0000000004D15000-memory.dmp

Filesize
56.6MB

Download
memory/1472-83-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1472-90-0x00000000350A0000-0x00000000353A3000-memory.dmp

Filesize
3.0MB

Download
memory/1472-89-0x0000000001470000-0x0000000004D15000-memory.dmp

Filesize
56.6MB

Download
memory/1472-91-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download