MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 203bfe6c0c5879e5951719fa76fdd9de0343e2652b58141660651d84790310ed. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 203bfe6c0c5879e5951719fa76fdd9de0343e2652b58141660651d84790310ed
SHA3-384 hash: b008e449972119c5dd7b565e0e7655caeee70ed306dcfb8da8ecd3d1e88396a5821430aab539f32ccd4d20d9dc46b0cf
SHA1 hash: 2e60de5a8d559fa2ea71868ba60d63ec54b5652d
MD5 hash: 478969edc99bd432e476c27c80ac972c
humanhash: failed-victor-queen-bulldog
File name:AWB-2091647183.exe
Download: download sample
Signature Formbook
File size:24'576 bytes
First seen:2022-05-18 07:53:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:9c1vL+weFF7qbmjWEMsZyaho64XBW55DuW:9c1F0TMZahaO
TLSH T117B2520BF79C07AED6ED0E7674BE12700178EFA7B812699078DADE1F15A165C0E131E2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ecac4c9ca6596971 (4 x AgentTesla, 1 x Formbook)
Reporter JAMESWT_WT
Tags:AWB DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
AWB-2091647183_infected.html.zip
Verdict:
Malicious activity
Analysis date:
2022-05-17 19:06:09 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
Allocates memory in foreign processes
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 629085 Sample: AWB-2091647183.exe Startdate: 18/05/2022 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 4 other signatures 2->68 10 AWB-2091647183.exe 16 6 2->10         started        process3 dnsIp4 60 cdn.discordapp.com 162.159.129.233, 443, 49733, 49770 CLOUDFLARENETUS United States 10->60 48 C:\Users\user\AppData\Roaming\...\Pmrmqiq.exe, PE32 10->48 dropped 50 C:\Users\user\...\Pmrmqiq.exe:Zone.Identifier, ASCII 10->50 dropped 52 C:\Users\user\...\AWB-2091647183.exe.log, ASCII 10->52 dropped 86 Writes to foreign memory regions 10->86 88 Allocates memory in foreign processes 10->88 90 Injects a PE file into a foreign processes 10->90 15 InstallUtil.exe 10->15         started        file5 signatures6 process7 signatures8 98 Modifies the context of a thread in another process (thread injection) 15->98 100 Maps a DLL or memory area into another process 15->100 102 Sample uses process hollowing technique 15->102 104 2 other signatures 15->104 18 explorer.exe 15->18 injected process9 process10 20 Pmrmqiq.exe 14 3 18->20         started        24 Pmrmqiq.exe 2 18->24         started        26 systray.exe 18->26         started        28 explorer.exe 18->28         started        dnsIp11 54 cdn.discordapp.com 20->54 70 Multi AV Scanner detection for dropped file 20->70 72 Machine Learning detection for dropped file 20->72 74 Writes to foreign memory regions 20->74 30 InstallUtil.exe 20->30         started        56 162.159.134.233, 443, 49771 CLOUDFLARENETUS United States 24->56 58 cdn.discordapp.com 24->58 76 Allocates memory in foreign processes 24->76 78 Injects a PE file into a foreign processes 24->78 33 InstallUtil.exe 24->33         started        35 InstallUtil.exe 24->35         started        37 InstallUtil.exe 24->37         started        39 InstallUtil.exe 24->39         started        80 Maps a DLL or memory area into another process 26->80 82 Tries to detect virtualization through RDTSC time measurements 26->82 41 cmd.exe 26->41         started        signatures12 process13 signatures14 92 Modifies the context of a thread in another process (thread injection) 30->92 94 Maps a DLL or memory area into another process 30->94 96 Sample uses process hollowing technique 30->96 43 cscript.exe 30->43         started        46 conhost.exe 41->46         started        process15 signatures16 84 Tries to detect virtualization through RDTSC time measurements 43->84
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-17 16:51:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ptm9 loader persistence rat suricata
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
203bfe6c0c5879e5951719fa76fdd9de0343e2652b58141660651d84790310ed
MD5 hash:
478969edc99bd432e476c27c80ac972c
SHA1 hash:
2e60de5a8d559fa2ea71868ba60d63ec54b5652d
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_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Comments