MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29bd525ad8ed453e995bccdaa6c9a572a7bac2e1478b1f103cbb80534fffb737. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 29bd525ad8ed453e995bccdaa6c9a572a7bac2e1478b1f103cbb80534fffb737
SHA3-384 hash: 39bdf7d0e743cb9d3ccb39ee2f65d70e11c8723019da7e815bc434f60946f2336738ede5b05c1dafd4854aa3c1e61a87
SHA1 hash: 8348921f0d025a005e2cf2299d6074727b7ef535
MD5 hash: beb431bc96a1724a73ede4b686e56c8f
humanhash: spring-juliet-yellow-indigo
File name:RFQref#0948321.PDF.exe
Download: download sample
Signature Formbook
File size:572'416 bytes
First seen:2021-11-02 09:50:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:F9vz9qfbIE068OAaQ2gqJROp9gnK6MPuZtTInPtkKyTl106V3e5xf:F9L9qcUQxFpij50wTuL
Threatray 11'075 similar samples on MalwareBazaar
TLSH T1E3C4DF3424E05626D7EE83768D55952913B15CDEA003EB091EF0FDE33AFE3A34E1685A
File icon (PE):PE icon
dhash icon d0f4ccf2faaaead4 (10 x Loki, 9 x AgentTesla, 9 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQref#0948321.PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-11-02 09:58:22 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 513581 Sample: RFQref#0948321.PDF.exe Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 31 www.luftfundament.online 2->31 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 9 other signatures 2->41 11 RFQref#0948321.PDF.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\RFQref#0948321.PDF.exe.log, ASCII 11->29 dropped 51 Writes to foreign memory regions 11->51 53 Allocates memory in foreign processes 11->53 55 Injects a PE file into a foreign processes 11->55 15 RegSvcs.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 2 other signatures 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.koreanmodelbj.xyz 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 45 Performs DNS queries to domains with low reputation 18->45 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-11-02 08:34:19 UTC
AV detection:
10 of 44 (22.73%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gr1c rat spyware stealer trojan
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 WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.illusiontrick.com/gr1c/
Unpacked files
SH256 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
SH256 hash:
ddab25c50599af5c2ca254e1e4d9343e3ad2fc52664e30ca0e0346a80224e25e
MD5 hash:
0f374a81a2a1fe067b9b6e305113574d
SHA1 hash:
c42913ada31140e960f1992bce91c6e69eb4a26a
SH256 hash:
29bd525ad8ed453e995bccdaa6c9a572a7bac2e1478b1f103cbb80534fffb737
MD5 hash:
beb431bc96a1724a73ede4b686e56c8f
SHA1 hash:
8348921f0d025a005e2cf2299d6074727b7ef535
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 29bd525ad8ed453e995bccdaa6c9a572a7bac2e1478b1f103cbb80534fffb737

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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