fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2

General

Target

fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe
Size

845KB
MD5

7ad1909784bfaf8170b36e0f5f98d79c
SHA1

d02a1a962abd114639970e4e10cccc6a3815c9d6
SHA256

fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2
SHA512

a639e56aab9cb7d93edbd1edaed6a58dfa3bcf7223e0fc30643255f4e9ea7bc593112678c40d5109f2bf6ae92e977aeb605ccd9ca0183b814cd14058b3443212
SSDEEP

24576:kWS04YNEMuExDiU6E5R9s8xY/2l/dzuIbt+rk:ky4auS+UjfU2TzuIbt+r

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe

Executes dropped EXE 1 IoCs

pid	Process
2172	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe
File created	C:\Windows\assembly\Desktop.ini	fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe
File created	C:\Windows\assembly\Desktop.ini	fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe
2172	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 2172	4728	fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe	91
PID 4728 wrote to memory of 2172	4728	fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe	91
PID 4728 wrote to memory of 2172	4728	fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe	91

C:\Users\Admin\AppData\Local\Temp\fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe
"C:\Users\Admin\AppData\Local\Temp\fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2172

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:4632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

Filesize
845KB

MD5
7ad1909784bfaf8170b36e0f5f98d79c

SHA1
d02a1a962abd114639970e4e10cccc6a3815c9d6

SHA256
fd1f6b4810656ebb45ab675922aa86661b1b15fd0d1c5adeba4a44f7034be5a2

SHA512
a639e56aab9cb7d93edbd1edaed6a58dfa3bcf7223e0fc30643255f4e9ea7bc593112678c40d5109f2bf6ae92e977aeb605ccd9ca0183b814cd14058b3443212

Download Submit
memory/2172-17-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/2172-19-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/2172-20-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/2172-22-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/2172-23-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/2172-24-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4728-0-0x0000000074CA2000-0x0000000074CA3000-memory.dmp

Filesize
4KB

Download
memory/4728-1-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4728-2-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4728-21-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download

Analysis

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