28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 01:14

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General

Target

28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe
Size

42.2MB
MD5

5e4c0c11b8e670db2474e982ab99653b
SHA1

5422faddb2928239af2958507032487ac9f502e3
SHA256

28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619
SHA512

8acae7578565b18b5db4a675d52cc8bf3e3aa8eb8e47d840ff985de9f8453c724fa7508ded15c3eebc52688d2edd01f5e19515c4335957d3e3b1656e2fb83efb
SSDEEP

393216:bgMecMfMCe0RzQQQmFCQvu3GF8RSRMAF79jglOCyh5X:bgMecWC7kGOC8

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1796	PrnInstall.exe

Loads dropped DLL 1 IoCs

pid	Process
2460	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PrnInstall.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2460	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe
1796	PrnInstall.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 1796	2460	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe	31
PID 2460 wrote to memory of 1796	2460	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe	31
PID 2460 wrote to memory of 1796	2460	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe	31
PID 2460 wrote to memory of 1796	2460	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe	31
PID 2460 wrote to memory of 1796	2460	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe	31
PID 2460 wrote to memory of 1796	2460	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe	31
PID 2460 wrote to memory of 1796	2460	28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe	31

C:\Users\Admin\AppData\Local\Temp\28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe
"C:\Users\Admin\AppData\Local\Temp\28d181a9703684171aa42d58db5931e2ef130a4c0e2c500412a40b8570d84619.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\Pharos\PrnInstall.exe
  "C:\Users\Admin\AppData\Local\Temp\Pharos\PrnInstall.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Pharos\printer.xml

Filesize
6KB

MD5
782385bfd47ee8138ef1157f29fb9cb1

SHA1
e0e958b4699fdd45ed718c4161024a0923d5b557

SHA256
8b3cad7d9f4c2fefbffcd8679bd909633129d98ea211dc60776c539294e3e791

SHA512
1943ebd39a8b11c3c99a15e017949226b51d61f7e23c0aca2862901f5c4e9c0fa8436d271fa4eaab2e72f25b2c2046ba583fb807f0bd78a0569911943e6ab189

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\Users\Admin\AppData\Local\Temp\Pharos\PrnInstall.exe

Filesize
1.8MB

MD5
c220f71b7d7e581aed9561d355d7a2f5

SHA1
0a19606b2896ebc8ab44a7703351c1e08c0bb24e

SHA256
9320848858dbea269d2d8f5a30eb0b623677a95ae32122ebc641d20af34b12ed

SHA512
c8ee050e0274f1f568c7c7b111817671e3635e553a4c2219118ffb0a6e595bd10ad61b06455125eae42233f4e18669449dabc64e943ed40936a28e725e747479

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