304947e91f66751b25d0899c7b9feffe43a5620b13fd5de4a8c5642d638ce45f

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 08:58

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General

Target

Flanr.fje
Size

331KB
MD5

06acea567a0ded05680dbb9de58d0311
SHA1

e84e2cde7049ce616b5cc579ce4b4d837423e586
SHA256

fd3f116786b5db01589d0460c9e1ffccdc468237ee2db9941482c904bc20500b
SHA512

e5c9492b5c49f75c92f45c9b577d67854d989e5672cfc3c2f8b4e831b00082f180834080e398bef69dcd0d3611d4404879e4b6ee9ef57afb2c421ea7f422bc14
SSDEEP

6144:I7p+dxQtxApgbfP+/Yw9R2KXTRAe+vIhvitw0BySmyqtsDK:I7p+kAp8f2/x9Es+w0a0PLnK

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3068	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3068	AcroRd32.exe
3068	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 536	3052	cmd.exe	32
PID 3052 wrote to memory of 536	3052	cmd.exe	32
PID 3052 wrote to memory of 536	3052	cmd.exe	32
PID 536 wrote to memory of 3068	536	rundll32.exe	33
PID 536 wrote to memory of 3068	536	rundll32.exe	33
PID 536 wrote to memory of 3068	536	rundll32.exe	33
PID 536 wrote to memory of 3068	536	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Flanr.fje
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Flanr.fje
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:536
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Flanr.fje"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
32f20a2f747a93eb03db87568d2a62b3

SHA1
e6f84ffc4e6534df126ab832f294a4bca0151224

SHA256
d4b81e1ad1590f6b9f8c357c71a800f022529df4e7c10ef871fdf41b208048d0

SHA512
0190b00bd35092828243b060d269844d4b6434afe6df8fea117edb1a7bafb7bfe172c8d60b850626e8dfebac57953ac4ab0411c9786c4926b3f10a452f0ce0c4

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