ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87

Analysis

max time kernel
28s
max time network
151s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21/05/2023, 09:58

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General

Target

ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
Size

4.7MB
MD5

67e462f67b3b79c83169f0ac37d09d8b
SHA1

8179374ad895d4fe539a922f170b65861c13d8f7
SHA256

ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87
SHA512

15b9a68818f6d166c32c81736958a3878bb2bdbbe6bb6fecc433939808a1c547cfc9a7dfe1861c96dd3c0c0853e0a6fe88b82080b1ba204c03617b36edc48b50
SSDEEP

98304:3Q/7x9nPi7fijP5gRWNFUjrqu5kHYOhF/QR04kdJQ4uYpeCxIR:g/7xE2F65JOhF/QrS/piR

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1876	medge.exe

Loads dropped DLL 2 IoCs

pid	Process
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1876	medge.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\N:	medge.exe
File opened (read-only)	\??\Q:	medge.exe
File opened (read-only)	\??\R:	medge.exe
File opened (read-only)	\??\T:	medge.exe
File opened (read-only)	\??\W:	medge.exe
File opened (read-only)	\??\E:	medge.exe
File opened (read-only)	\??\G:	medge.exe
File opened (read-only)	\??\I:	medge.exe
File opened (read-only)	\??\O:	medge.exe
File opened (read-only)	\??\X:	medge.exe
File opened (read-only)	\??\Y:	medge.exe
File opened (read-only)	\??\B:	medge.exe
File opened (read-only)	\??\F:	medge.exe
File opened (read-only)	\??\S:	medge.exe
File opened (read-only)	\??\U:	medge.exe
File opened (read-only)	\??\V:	medge.exe
File opened (read-only)	\??\Z:	medge.exe
File opened (read-only)	\??\H:	medge.exe
File opened (read-only)	\??\J:	medge.exe
File opened (read-only)	\??\K:	medge.exe
File opened (read-only)	\??\L:	medge.exe
File opened (read-only)	\??\M:	medge.exe
File opened (read-only)	\??\P:	medge.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Silverlighte\medge.exe	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
File created	C:\Program Files (x86)\Microsoft Silverlighte\nw_elf.dll	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	medge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	medge.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe
1876	medge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 1876	1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe	28
PID 1228 wrote to memory of 1876	1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe	28
PID 1228 wrote to memory of 1876	1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe	28
PID 1228 wrote to memory of 1876	1228	ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe	28

C:\Users\Admin\AppData\Local\Temp\ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe
"C:\Users\Admin\AppData\Local\Temp\ad270337b64c47ab43b6af0dbf1532280d0897e9dbdbf285b830565a2b9a2e87.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Program Files (x86)\Microsoft Silverlighte\medge.exe
  "C:\Program Files (x86)\Microsoft Silverlighte\medge.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Enumerates connected drives
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1876

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft Silverlighte\medge.exe

Filesize
2.8MB

MD5
5b43be674538a780d6192bbabcd51efb

SHA1
33e1839922bd22e6453c74de2eee1b9313ce8aff

SHA256
90ba7d6f09f6db0dcf472472184d8b660f555eb85453c75ea6eefe91db817827

SHA512
ea15fa5100dcc58c888f2386ef56a7586e6a577fdb12c1eb8859479527321eafdf1090d9252e2c34a5f7ae6a995a67e470abd23d323415e4e2a8a8bd0adb8328

Download Submit
C:\Program Files (x86)\Microsoft Silverlighte\medge.exe

Filesize
2.8MB

MD5
5b43be674538a780d6192bbabcd51efb

SHA1
33e1839922bd22e6453c74de2eee1b9313ce8aff

SHA256
90ba7d6f09f6db0dcf472472184d8b660f555eb85453c75ea6eefe91db817827

SHA512
ea15fa5100dcc58c888f2386ef56a7586e6a577fdb12c1eb8859479527321eafdf1090d9252e2c34a5f7ae6a995a67e470abd23d323415e4e2a8a8bd0adb8328

Download Submit
C:\Program Files (x86)\Microsoft Silverlighte\nw_elf.dll

Filesize
213KB

MD5
c7fff3ae7d768e537849799b824c246f

SHA1
43faeeac05751f49c3059bacf5df9c9e5704c0a2

SHA256
0c22a81a2292af18ee3c870406453f8072904993b06bca34e6eae75b8151fd95

SHA512
2108a52e043e1aa06416a2539d8f5dd1febb9007ae91e7fdea5d8f4b96564a6fc046972c9d12f3fceb9cb0830729424c207598752fbd10273bdc4060b3a00de7

Download Submit
\Program Files (x86)\Microsoft Silverlighte\medge.exe

Filesize
2.8MB

MD5
5b43be674538a780d6192bbabcd51efb

SHA1
33e1839922bd22e6453c74de2eee1b9313ce8aff

SHA256
90ba7d6f09f6db0dcf472472184d8b660f555eb85453c75ea6eefe91db817827

SHA512
ea15fa5100dcc58c888f2386ef56a7586e6a577fdb12c1eb8859479527321eafdf1090d9252e2c34a5f7ae6a995a67e470abd23d323415e4e2a8a8bd0adb8328

Download Submit
\Program Files (x86)\Microsoft Silverlighte\nw_elf.dll

Filesize
213KB

MD5
c7fff3ae7d768e537849799b824c246f

SHA1
43faeeac05751f49c3059bacf5df9c9e5704c0a2

SHA256
0c22a81a2292af18ee3c870406453f8072904993b06bca34e6eae75b8151fd95

SHA512
2108a52e043e1aa06416a2539d8f5dd1febb9007ae91e7fdea5d8f4b96564a6fc046972c9d12f3fceb9cb0830729424c207598752fbd10273bdc4060b3a00de7

Download Submit
memory/1876-68-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

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