MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 41d5c1e02c1b4a694660a1c8759ffd46569f5b9574ed99a08d3f00cd2765d2d0. 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
| SHA256 hash: | 41d5c1e02c1b4a694660a1c8759ffd46569f5b9574ed99a08d3f00cd2765d2d0 |
|---|---|
| SHA3-384 hash: | 98759fe90c3fbca8d2deb232f98a7bace7476e326721f145201903bd387d2b60250923461cb3c68a66ef080847f6ade7 |
| SHA1 hash: | dccb8e422b279ae6aea5b76ab46a41bb9305006a |
| MD5 hash: | b951d7b25f43b6ef1c4b0dfca9245e01 |
| humanhash: | october-california-oregon-enemy |
| File name: | Invoice_#23600944.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 318'196 bytes |
| First seen: | 2022-02-10 06:58:45 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla) |
| ssdeep | 6144:/w1Oz7VpV8Nqpxl6HbUrZkKBYPVWvCW/Pln2ZeQsDYvDaKt:WIz/YHbUtBmVWKWln2nsDYvDaY |
| TLSH | T1CE64128AAA94C9A7DD49237011B7CF3AC177FFAE12B01A0F67457F7132B32436125266 |
| File icon (PE): |  |
| dhash icon | 071a18b3939b67d3 (22 x AgentTesla, 12 x Formbook, 3 x RemcosRAT) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-10 06:59:12 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader campaign:dvcw loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
d249493ee6fcb45e613e260b2abd5a94059a1f08c0796106e039961304edfea1
MD5 hash:
90e90f90a60854a32dc09a6a6f3f1268
SHA1 hash:
95029aaae44baedc347a025f593efd48139dc70e
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
9b0bf91d2dac1919e8c97f00cc6765fd755904a4aedcb1c3efd1261afbf3da97
MD5 hash:
3ee9cfd2910a09bd047c157615b3a006
SHA1 hash:
f36682ed1ab48ce80a320f8834ee8d41977ed50b
SH256 hash:
41d5c1e02c1b4a694660a1c8759ffd46569f5b9574ed99a08d3f00cd2765d2d0
MD5 hash:
b951d7b25f43b6ef1c4b0dfca9245e01
SHA1 hash:
dccb8e422b279ae6aea5b76ab46a41bb9305006a
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
xloader
Delivery method
Distributed via e-mail attachment
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