5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba

General

Target

5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
Size

9.2MB
MD5

150f85e774b99c4e506f0925be7f50de
SHA1

6e3643cd348f72ec4d2a074ac99e3b70c4f3011d
SHA256

5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba
SHA512

4d878b7b524d275b81b513aef897d904812f76d8a59dd5ea208ddb4d9867a5cda11a934ec197cdab257acd39dec8dde963f0213cb1290867fdb2e9e50410faff
SSDEEP

196608:PH50fSzHXxF23x6y6kp1S7I05v95vi1zwrlk:PHj363YEYU05v9ANwrlk

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2732	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Loads dropped DLL 1 IoCs

pid	Process
2732	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2732	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
File opened for modification	C:\Windows\assembly	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\IESettingSync	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2732	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
2732	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2732	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
2732	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 2732	4500	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe	81
PID 4500 wrote to memory of 2732	4500	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe	81
PID 4500 wrote to memory of 2732	4500	5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe	81

C:\Users\Admin\AppData\Local\Temp\5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
"C:\Users\Admin\AppData\Local\Temp\5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4500
- C:\Users\Admin\AppData\Local\Temp\edwlfjfs.nha\5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe
  "C:\Users\Admin\AppData\Local\Temp\edwlfjfs.nha\5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\Local\Temp\edwlfjfs.nha\5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Filesize
9.0MB

MD5
91f52f3ea111376b100e17384724bd05

SHA1
5987e19dfc9c77bda1403d5d4bccdcdf275fae9b

SHA256
82c5522c6790d83c0de1dbd7ae65797f98135d34ab1877154873d4c581824dfc

SHA512
cc43bbbf49f6073612d284e96b244c172dbf5616193e7486b9455d0421afcf6a700ec04edd9037d10b6ac729d0b6615bc829a925e4bf3c1ac68822a52b21003b

Download Submit
C:\Users\Admin\AppData\Local\Temp\edwlfjfs.nha\5f3a2f2dd8efd75e8bd200fcd8f9c1e16ba65e59a13fbf50e74726c11953c8ba.exe

Filesize
9.0MB

MD5
91f52f3ea111376b100e17384724bd05

SHA1
5987e19dfc9c77bda1403d5d4bccdcdf275fae9b

SHA256
82c5522c6790d83c0de1dbd7ae65797f98135d34ab1877154873d4c581824dfc

SHA512
cc43bbbf49f6073612d284e96b244c172dbf5616193e7486b9455d0421afcf6a700ec04edd9037d10b6ac729d0b6615bc829a925e4bf3c1ac68822a52b21003b

Download Submit
C:\Users\Admin\AppData\Local\Temp\edwlfjfs.nha\7z.dll

Filesize
893KB

MD5
04ad4b80880b32c94be8d0886482c774

SHA1
344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

SHA256
a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

SHA512
3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

Download Submit
memory/2732-137-0x0000000000850000-0x0000000000940000-memory.dmp

Filesize
960KB

Download
memory/2732-146-0x00000000735D0000-0x000000007362B000-memory.dmp

Filesize
364KB

Download
memory/2732-138-0x0000000002E50000-0x0000000002E8D000-memory.dmp

Filesize
244KB

Download
memory/2732-155-0x0000000072DB0000-0x0000000072DB8000-memory.dmp

Filesize
32KB

Download
memory/2732-139-0x0000000076F00000-0x0000000077115000-memory.dmp

Filesize
2.1MB

Download
memory/2732-140-0x00000000748B0000-0x0000000074E61000-memory.dmp

Filesize
5.7MB

Download
memory/2732-141-0x00000000759D0000-0x0000000075F83000-memory.dmp

Filesize
5.7MB

Download
memory/2732-154-0x00000000748B0000-0x0000000074E61000-memory.dmp

Filesize
5.7MB

Download
memory/2732-143-0x0000000076200000-0x0000000076481000-memory.dmp

Filesize
2.5MB

Download
memory/2732-144-0x00000000768F0000-0x00000000769D3000-memory.dmp

Filesize
908KB

Download
memory/2732-145-0x0000000000850000-0x0000000000940000-memory.dmp

Filesize
960KB

Download
memory/2732-136-0x0000000000850000-0x0000000000940000-memory.dmp

Filesize
960KB

Download
memory/2732-147-0x00000000748B0000-0x0000000074E61000-memory.dmp

Filesize
5.7MB

Download
memory/2732-148-0x0000000072A30000-0x0000000072D0E000-memory.dmp

Filesize
2.9MB

Download
memory/2732-149-0x0000000072DB0000-0x0000000072DB8000-memory.dmp

Filesize
32KB

Download
memory/2732-151-0x0000000000850000-0x0000000000940000-memory.dmp

Filesize
960KB

Download
memory/2732-152-0x0000000002E50000-0x0000000002E8D000-memory.dmp

Filesize
244KB

Download
memory/2732-153-0x0000000000850000-0x0000000000940000-memory.dmp

Filesize
960KB

Download
memory/4500-142-0x00000000748B0000-0x0000000074E61000-memory.dmp

Filesize
5.7MB

Download
memory/4500-132-0x00000000748B0000-0x0000000074E61000-memory.dmp

Filesize
5.7MB

Download

Analysis

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