dc73a2a97d1abe91038bd97ec6d0c6fa54f4b64632a555fa536aed70234d80fe

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
18/05/2023, 14:20

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General

Target

Systemsikkerhed.exe
Size

667KB
MD5

cf245e60ca70cb7b4204d519d2769fee
SHA1

739de33b60f782cb1f36b920476ca8380763a085
SHA256

dc73a2a97d1abe91038bd97ec6d0c6fa54f4b64632a555fa536aed70234d80fe
SHA512

daa634e2e01c321938c57148ca2a56a29c046949b1f6b3f96e3fc5d02c42d058a82e8d60f377348907ca33f24c5cf1e3ee5de754aa2c995b48bb76083f01edc7
SSDEEP

12288:phrO+Gr3sInVhS9UTf9SF6UWQE/onCO6S:ptxGr8IVhbcWQE/0

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	Systemsikkerhed.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	Systemsikkerhed.exe

Loads dropped DLL 1 IoCs

pid	Process
1196	Systemsikkerhed.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1900	Systemsikkerhed.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1196	Systemsikkerhed.exe
1900	Systemsikkerhed.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 1900	1196	Systemsikkerhed.exe	28

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\underdrying.lnk	Systemsikkerhed.exe
File created	C:\Windows\Fonts\underdrying.lnk	Systemsikkerhed.exe

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1196	Systemsikkerhed.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1900	1196	Systemsikkerhed.exe	28
PID 1196 wrote to memory of 1900	1196	Systemsikkerhed.exe	28
PID 1196 wrote to memory of 1900	1196	Systemsikkerhed.exe	28
PID 1196 wrote to memory of 1900	1196	Systemsikkerhed.exe	28
PID 1196 wrote to memory of 1900	1196	Systemsikkerhed.exe	28

C:\Users\Admin\AppData\Local\Temp\Systemsikkerhed.exe
"C:\Users\Admin\AppData\Local\Temp\Systemsikkerhed.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:1196
- C:\Users\Admin\AppData\Local\Temp\Systemsikkerhed.exe
  "C:\Users\Admin\AppData\Local\Temp\Systemsikkerhed.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:1900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Fonts\underdrying.lnk

Filesize
1KB

MD5
061481fe5e0472c50b3d0aca251eff85

SHA1
7219297e875514ffed83c034ba7b77b51be5394a

SHA256
a6af93466dd4b5e6a07d3d271a655cd3933cfd09bd22a0bb32f60e5641f06af1

SHA512
ee6660fd6d9909c711b8d745e9b8f45a5ba33cbfafc934945b3eb79c687c9efdf09cc8071d6ac09097fdb283fa0e20949f948f80b1ad1cbf81a2dfb0d99d0fe9

Download Submit
\Users\Admin\AppData\Local\Temp\nso8D05.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
memory/1900-93-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1900-94-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1900-117-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download