MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36389326c697d43ecf27b181b4ec997ffc45aa8b1cdca0cca34db3d43075cccd. 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: 16


Intelligence 16 IOCs YARA 10 File information Comments

SHA256 hash: 36389326c697d43ecf27b181b4ec997ffc45aa8b1cdca0cca34db3d43075cccd
SHA3-384 hash: 32b4820454c6aa2501c6cf56232aae5c92992154b7bdacebe3b09eff01e99a5d475d2f173573b00d352851dc8f9411a5
SHA1 hash: 687546140c750b9b466f8da86c63cff613b727a2
MD5 hash: bc03b7d0cc3faa356f5c49609d150b44
humanhash: ack-iowa-don-sodium
File name:RFQ_P.O.1212024.scr
Download: download sample
Signature Formbook
File size:878'088 bytes
First seen:2024-12-12 20:35:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:tjlIhSPd+ppZbvbe3w/IWZin88Dckr0hD:tjl+SPspnzOUaQM0hD
Threatray 1'419 similar samples on MalwareBazaar
TLSH T18B15D0C03B2A7711DEACB934852AEDBC62642E74B004B8F36EDD2B57B5DD1126A1CF40
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon f0cc862b23b2ccf0 (8 x Formbook, 2 x DarkCloud, 1 x VIPKeylogger)
Reporter abuse_ch
Tags:exe FormBook scr

Intelligence


File Origin
# of uploads :
1
# of downloads :
452
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_P.O.1212024.scr
Verdict:
Suspicious activity
Analysis date:
2024-12-12 20:49:24 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
vmdetect virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm masquerade packed packed packer_detected
Result
Verdict:
SUSPICIOUS
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
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
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1573579 Sample: RFQ_P.O.1212024.scr Startdate: 12/12/2024 Architecture: WINDOWS Score: 100 57 www.diozusemails.buzz 2->57 77 Suricata IDS alerts for network traffic 2->77 79 Sigma detected: Scheduled temp file as task from temp location 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 7 other signatures 2->83 10 RFQ_P.O.1212024.scr 1 11 2->10         started        14 taskeng.exe 1 2->14         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\PEJmengI.exe, PE32 10->51 dropped 53 C:\Users\...\PEJmengI.exe:Zone.Identifier, ASCII 10->53 dropped 55 C:\Users\user\AppData\Local\...\tmp61C0.tmp, XML 10->55 dropped 93 Uses schtasks.exe or at.exe to add and modify task schedules 10->93 95 Writes to foreign memory regions 10->95 97 Allocates memory in foreign processes 10->97 99 2 other signatures 10->99 16 RegSvcs.exe 10->16         started        19 powershell.exe 4 10->19         started        21 powershell.exe 4 10->21         started        23 schtasks.exe 10->23         started        25 PEJmengI.exe 4 14->25         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 16->67 27 mrNbohrgjTw.exe 16->27 injected 69 Machine Learning detection for dropped file 25->69 71 Writes to foreign memory regions 25->71 73 Allocates memory in foreign processes 25->73 75 2 other signatures 25->75 30 powershell.exe 25->30         started        32 powershell.exe 25->32         started        34 schtasks.exe 25->34         started        36 RegSvcs.exe 25->36         started        process9 signatures10 101 Maps a DLL or memory area into another process 27->101 103 Found direct / indirect Syscall (likely to bypass EDR) 27->103 38 msinfo32.exe 1 20 27->38         started        process11 dnsIp12 59 www.sqlite.org 45.33.6.223, 49166, 80 LINODE-APLinodeLLCUS United States 38->59 49 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32 38->49 dropped 85 Tries to steal Mail credentials (via file / registry access) 38->85 87 Tries to harvest and steal browser information (history, passwords, etc) 38->87 89 Maps a DLL or memory area into another process 38->89 91 Queues an APC in another process (thread injection) 38->91 43 mrNbohrgjTw.exe 38->43 injected 47 firefox.exe 38->47         started        file13 signatures14 process15 dnsIp16 61 www.zoiheat.xyz 43->61 63 www.learniit.info 203.161.42.73, 49179, 49180, 49181 VNPT-AS-VNVNPTCorpVN Malaysia 43->63 65 19 other IPs or domains 43->65 105 Found direct / indirect Syscall (likely to bypass EDR) 43->105 signatures17 107 Performs DNS queries to domains with low reputation 61->107
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2024-12-12 12:13:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
9a9f89a11b1ad463f56f47656dd964ef1c2afba094832bb206fcaaec64d16288
MD5 hash:
ba8d5828f295eda185f32b809932e981
SHA1 hash:
4973979339a798bac25aee6363248701752ff9d0
Detections:
win_formbook_g0
SH256 hash:
36894992ed25fe75515c07a5c0d0d054a0d50b271d3e65b6684737c8d348067e
MD5 hash:
2df2ea696086029179c92e7ea17cd691
SHA1 hash:
d28761641cbd700caf5fae2f329e321edbe175d4
SH256 hash:
9d661a1cabc8ce5f67d222d5f5b2db08b4c285694d1f725100a13ab98320899d
MD5 hash:
576ea60d456dc6e3eaf68fe18512b0d1
SHA1 hash:
fdf1fe588b97a6e738459e635a2b1def86d58c34
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
117c984a4b6c0bc0d29ee3bee08babe51bf8e5e9288726974c200fd5ca58ed10
MD5 hash:
bc07fcf586482a89d878684072409c5a
SHA1 hash:
ca195505dd9659666eb029983f6e189ce316ae9e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
9424e1f37ad4df6a8d08b903cf70101c30136f9722377fd2a46878f5341e8f40
MD5 hash:
da9267ddfa5996e8961d271c98526010
SHA1 hash:
1e808eea68adbab68f28b8728830d9fc4e441b02
SH256 hash:
36389326c697d43ecf27b181b4ec997ffc45aa8b1cdca0cca34db3d43075cccd
MD5 hash:
bc03b7d0cc3faa356f5c49609d150b44
SHA1 hash:
687546140c750b9b466f8da86c63cff613b727a2
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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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