MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87ad57ffa31e9b3481663bd81249ec1e563dc2931bb4bb2045b06ea7917f1593. 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: 9


Intelligence 9 IOCs YARA File information Comments 1

SHA256 hash: 87ad57ffa31e9b3481663bd81249ec1e563dc2931bb4bb2045b06ea7917f1593
SHA3-384 hash: 4ce6e440da10e191f725c4877a110a5445dab851979131c44fcbe78a9657688dc7e01917f3d89fe0dd7dd1567ca95039
SHA1 hash: 14148db38e76836bbf6baa1e2936f5c9ea463cd7
MD5 hash: 2d6b088caed1cb258026e3cd67bea68f
humanhash: mockingbird-pasta-autumn-glucose
File name:OurCompanyProfil.exe
Download: download sample
Signature Formbook
File size:779'264 bytes
First seen:2021-05-14 05:52:22 UTC
Last seen:2021-05-14 06:46:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 146e24575086448ba589e1755a927ce7 (5 x Formbook)
ssdeep 6144:7aHoJ/W1GDGoG09qwyLzRIIkrQwRa3Ghr+Ds0NXi6+TMSnnJvkCx2XYH0yNv93L6:7fAG1KSfrQwE3hNIJV3HVNRj
Threatray 5'170 similar samples on MalwareBazaar
TLSH 8CF49E99BE5448E1D0578438C96385B6D6B27C045E2C934FE3A0FBBE9F37251AD1A323
Reporter lowmal3
Tags:FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a process from a recently created file
Launching a process
Sending a UDP request
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
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
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 413991 Sample: OurCompanyProfil.exe Startdate: 14/05/2021 Architecture: WINDOWS Score: 100 47 www.hustletohealth.com 2->47 49 hustletohealth.com 2->49 65 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->65 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 5 other signatures 2->71 12 OurCompanyProfil.exe 2 2->12         started        signatures3 process4 file5 43 C:\Users\user\AppData\Local\X8j1Lh.exe, PE32+ 12->43 dropped 45 C:\Users\user\...\X8j1Lh.exe:Zone.Identifier, ASCII 12->45 dropped 15 X8j1Lh.exe 2 12->15         started        process6 signatures7 91 Multi AV Scanner detection for dropped file 15->91 93 Maps a DLL or memory area into another process 15->93 95 Sample uses process hollowing technique 15->95 18 svchost.exe 15->18         started        21 MpCmdRun.exe 1 15->21         started        process8 signatures9 57 Modifies the context of a thread in another process (thread injection) 18->57 59 Maps a DLL or memory area into another process 18->59 61 Sample uses process hollowing technique 18->61 63 2 other signatures 18->63 23 explorer.exe 4 18->23 injected 27 conhost.exe 21->27         started        process10 dnsIp11 51 www.longwudq.com 23->51 53 www.longwudq.com 156.224.66.72, 49733, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 23->53 55 14 other IPs or domains 23->55 79 System process connects to network (likely due to code injection or exploit) 23->79 81 Uses netstat to query active network connections and open ports 23->81 29 X8j1Lh.exe 1 23->29         started        32 NETSTAT.EXE 23->32         started        34 wscript.exe 23->34         started        signatures12 process13 signatures14 83 Maps a DLL or memory area into another process 29->83 85 Sample uses process hollowing technique 29->85 36 svchost.exe 29->36         started        87 Modifies the context of a thread in another process (thread injection) 32->87 89 Tries to detect virtualization through RDTSC time measurements 32->89 39 cmd.exe 1 32->39         started        process15 signatures16 73 Modifies the context of a thread in another process (thread injection) 36->73 75 Maps a DLL or memory area into another process 36->75 77 Sample uses process hollowing technique 36->77 41 conhost.exe 39->41         started        process17
Threat name:
Win64.Packed.Generic
Status:
Suspicious
First seen:
2021-05-13 10:28:06 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  1/5
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
Drops startup file
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.sembrangpoki.com/epns/
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 87ad57ffa31e9b3481663bd81249ec1e563dc2931bb4bb2045b06ea7917f1593

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-14 06:00:47 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
1) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
2) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
3) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0030.005] Data Micro-objective::FNV::Non-Cryptographic Hash
6) [C0045] File System Micro-objective::Copy File
7) [C0052] File System Micro-objective::Writes File
8) [C0040] Process Micro-objective::Allocate Thread Local Storage
9) [C0017] Process Micro-objective::Create Process
10) [C0038] Process Micro-objective::Create Thread
11) [C0041] Process Micro-objective::Set Thread Local Storage Value
12) [C0018] Process Micro-objective::Terminate Process