MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72ffde4a478702e8c679195127f874bb32bc641d910395e99436e5fd6971da17. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 10


Intelligence 10 IOCs YARA File information Comments 1

SHA256 hash: 72ffde4a478702e8c679195127f874bb32bc641d910395e99436e5fd6971da17
SHA3-384 hash: 6e2a1ddf86eb77096850059d6b65df1cc25ad66162cbbca19dd5c70255f8e4b3131336bc0b83c62917407e5c82d8519e
SHA1 hash: c01e14fc7d87b1879f713d4784346af372b8e776
MD5 hash: 6e4c0f36925920168887f4c5e4fcef3d
humanhash: diet-uniform-bluebird-kansas
File name:PO.exe
Download: download sample
Signature Formbook
File size:215'011 bytes
First seen:2021-05-18 11:05:55 UTC
Last seen:2021-05-18 12:43:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 3072:DQIURTXJ+MoWIg45lLttC5ScCm0cvbFjGsEdD4Pd54i2oHIRk95uYOok7AV2OLGa:Ds9oWSjMCWZjSUPdi1EF4AV23EN1K4T
Threatray 5'251 similar samples on MalwareBazaar
TLSH 2524125F66CCD1B3E8468F322AA3E12AC7F7264213014B17BB510FBA641A197781B1DE
Reporter GovCERT_CH

Intelligence


File Origin
# of uploads :
2
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2021-05-18 11:08:30 UTC
Tags:
installer trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 416365 Sample: PO.exe Startdate: 18/05/2021 Architecture: WINDOWS Score: 100 35 www.beautyblvdca.com 2->35 37 www.xn--z4qm188e645c.com 2->37 39 prod-sav-park-lb01-1919960993.us-east-2.elb.amazonaws.com 2->39 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 3 other signatures 2->53 11 PO.exe 21 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\rvoplhkaevivic, DOS 11->31 dropped 33 C:\Users\user\AppData\Local\...\System.dll, PE32 11->33 dropped 63 Detected unpacking (changes PE section rights) 11->63 65 Maps a DLL or memory area into another process 11->65 67 Tries to detect virtualization through RDTSC time measurements 11->67 15 PO.exe 11->15         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 18 explorer.exe 15->18 injected process9 dnsIp10 41 www.onyxcomputing.com 18->41 43 inov8digital.com 108.179.232.163, 49717, 80 UNIFIEDLAYER-AS-1US United States 18->43 45 22 other IPs or domains 18->45 55 System process connects to network (likely due to code injection or exploit) 18->55 22 systray.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-05-18 11:06:11 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.onyxcomputing.com/u8nw/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 72ffde4a478702e8c679195127f874bb32bc641d910395e99436e5fd6971da17

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-18 12:02:37 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
3) [C0045] File System Micro-objective::Copy File
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
15) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
16) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
17) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
18) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
19) [C0017] Process Micro-objective::Create Process
20) [C0038] Process Micro-objective::Create Thread
21) [C0018] Process Micro-objective::Terminate Process