MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ec5aeccf89c5d7a378e443e742e37f05a2aa7cb71150ee0ca4876c6b37d7b4d. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 1ec5aeccf89c5d7a378e443e742e37f05a2aa7cb71150ee0ca4876c6b37d7b4d
SHA3-384 hash: 3c597ae124602e0efbc85befa447d02e49e5b3fa1939c06da9cc44792c41462152053eed01b0937ce861a5087ec42bb3
SHA1 hash: 730b350d9365074bcce398290a8c620c68209290
MD5 hash: b58faebe1453acc289bfd688688e2474
humanhash: wyoming-hot-music-skylark
File name:quotations pdf.exe
Download: download sample
Signature Formbook
File size:626'688 bytes
First seen:2021-02-15 15:33:05 UTC
Last seen:2021-02-15 18:12:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:Gmc51xGbhjB4pDHfx1TmIgzLivEv+Sbv6Xyq+mOnGrthsZJCVG:GhvGr4pzff3gN1O6mOM6G
Threatray 3'794 similar samples on MalwareBazaar
TLSH 17D4E022339CAF69E57EA3799924524063F6F607E732D24D7D9860DD0A25FC0C3A2793
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
quotations pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-15 15:33:33 UTC
Tags:
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 window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
Binary contains a suspicious time stamp
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 353106 Sample: quotations   pdf.exe Startdate: 15/02/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 12 other signatures 2->54 10 quotations   pdf.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\Roaming\FpWaZyoK.exe, PE32 10->34 dropped 36 C:\Users\...\FpWaZyoK.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp94CC.tmp, XML 10->38 dropped 40 C:\Users\user\...\quotations   pdf.exe.log, ASCII 10->40 dropped 64 Injects a PE file into a foreign processes 10->64 14 quotations   pdf.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 42 www.sanguoban.com 154.201.177.118, 49767, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 19->42 44 www.bullishonpennies.com 156.243.221.75, 49766, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 19->44 46 9 other IPs or domains 19->46 56 System process connects to network (likely due to code injection or exploit) 19->56 25 cmmon32.exe 19->25         started        28 autochk.exe 19->28         started        signatures10 process11 signatures12 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 30 cmd.exe 1 25->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.Stelega
Status:
Malicious
First seen:
2021-02-15 05:30:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
16 of 48 (33.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.brasilseo.com/bft/
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
SH256 hash:
1ec5aeccf89c5d7a378e443e742e37f05a2aa7cb71150ee0ca4876c6b37d7b4d
MD5 hash:
b58faebe1453acc289bfd688688e2474
SHA1 hash:
730b350d9365074bcce398290a8c620c68209290
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

  
Delivery method
Other

Comments