MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b8c162f4a3747097fcda26d4301f809b515a77f1644bfdb636b39fe263694ee. 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 2 File information Comments

SHA256 hash: 2b8c162f4a3747097fcda26d4301f809b515a77f1644bfdb636b39fe263694ee
SHA3-384 hash: 6b646c33dd6a8c3591bc89aaee5434a17f6046587cc1eb75bd5f0f994658a09ad631817df5c2b3e4df5c50b8154ebfbe
SHA1 hash: 80a1992e928eb18e7cfb186e4a539df810834eba
MD5 hash: 5d9f39aa0b4cc57229f8b3a6ab57f1d4
humanhash: pasta-solar-foxtrot-orange
File name:REQUEST FOR QUOTATION Q4 DECEMBER_SHIPMENT pdf.exe
Download: download sample
Signature Formbook
File size:828'928 bytes
First seen:2022-03-08 09:47:13 UTC
Last seen:2022-03-09 09:17:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:DEYw9gSuJU13PBsTzWPXqvUxmRUmDVN601oyGw11cbr6udrH+WKBHRpuDtL+:DESSffs3WPajuqg01KscP6iZsRgZL
Threatray 13'632 similar samples on MalwareBazaar
TLSH T14005BE10EEAA103BF17E8A7A0BC5E8774AD7F5661505E2BE2C5CCA590FE163C9C81C71
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584879 Sample: REQUEST FOR QUOTATION Q4 DE... Startdate: 08/03/2022 Architecture: WINDOWS Score: 100 31 www.marvellouslles.com 2->31 33 www.4127raymondav.info 2->33 35 2 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 9 other signatures 2->49 11 REQUEST FOR QUOTATION Q4 DECEMBER_SHIPMENT pdf.exe 3 2->11         started        signatures3 process4 file5 29 REQUEST FOR QUOTAT...HIPMENT pdf.exe.log, ASCII 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 REQUEST FOR QUOTATION Q4 DECEMBER_SHIPMENT pdf.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.signaturecreationsdover.com 199.34.228.177, 49789, 80 WEEBLYUS United States 18->37 39 www.mooncloud.cloud 18->39 41 2 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-08 02:38:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:dsaq loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
fd3ccd33aa84bad961c3f099b55c0275e7b6be706076bce19795acabe3443eba
MD5 hash:
68b8df9b16b4713b666caa1d78005e2d
SHA1 hash:
39cd9f975c34e1da7515aabea6050c3d7496c9d1
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
e17c83c3bb82c4e9f76be729628825b15fcfd8aa48380bcaa0f0d64b07047988
MD5 hash:
d449818a585f6bdf8aee8fde9f3b1b0c
SHA1 hash:
c160add50de75d8bd37afc29844e7dbfd17c37dc
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
SH256 hash:
4e9288278c0c9265b87316a7f2c8f7397a281c60b46e8aafe85a9d6ebb5f4ba6
MD5 hash:
b742717a5f216f81253491a71bba87be
SHA1 hash:
3770f51997a2416548e61548212f96e9083d3438
SH256 hash:
2b8c162f4a3747097fcda26d4301f809b515a77f1644bfdb636b39fe263694ee
MD5 hash:
5d9f39aa0b4cc57229f8b3a6ab57f1d4
SHA1 hash:
80a1992e928eb18e7cfb186e4a539df810834eba
Malware family:
XLoader
Verdict:
Malicious
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: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 2b8c162f4a3747097fcda26d4301f809b515a77f1644bfdb636b39fe263694ee

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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