f9d00500a332ca3da28d064fba3f76635d815286ba25cc28a7dfb56566d0904b

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2024, 02:33

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General

Target

628c3e0bc91a322277d1bc6c46f8066a.exe
Size

36KB
MD5

628c3e0bc91a322277d1bc6c46f8066a
SHA1

233aedd0e38193ca8192e9f9215d9b55992bf13d
SHA256

f9d00500a332ca3da28d064fba3f76635d815286ba25cc28a7dfb56566d0904b
SHA512

4cc3dc45c9bcbb277755083a1af18913689d28e3af7d2e75f1654968c1495c2da8ac2a30657d0eb0897891131ab44e668059f997237f91874e4b3085a6a54d50
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JE5Q:bxNrC7kYo1Fxf3s065Q

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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	628c3e0bc91a322277d1bc6c46f8066a.exe

Executes dropped EXE 1 IoCs

pid	Process
1392	pissa.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 1392	3672	628c3e0bc91a322277d1bc6c46f8066a.exe	84
PID 3672 wrote to memory of 1392	3672	628c3e0bc91a322277d1bc6c46f8066a.exe	84
PID 3672 wrote to memory of 1392	3672	628c3e0bc91a322277d1bc6c46f8066a.exe	84

C:\Users\Admin\AppData\Local\Temp\628c3e0bc91a322277d1bc6c46f8066a.exe
"C:\Users\Admin\AppData\Local\Temp\628c3e0bc91a322277d1bc6c46f8066a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:1392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Local\Temp\pissa.exe

Filesize
36KB

MD5
4345e0facad7cd547fdd398d9a248ea2

SHA1
c8285b7e019f382e2bc47baf4ac23e0c9e09cc54

SHA256
fe38a757419836314f5009b98c8a05c344d0570cb774241e6625dd8239e67ff2

SHA512
1ca8806f6ab1c95842b2d7628bf0408c5a8c9d7d683114d02a0285011aa1d0b21bbce2ee8f92ad228e8f46a779dfca15df2fd3086eea6fa2a50acc3379552382

Download Submit
memory/1392-17-0x0000000002270000-0x0000000002276000-memory.dmp

Filesize
24KB

Download
memory/1392-18-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/3672-0-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/3672-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/3672-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download