MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 083652d241877c1d5b89477de317ceea0cf34bb4f790c59e597fd5ba33184aff. 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: 13
| SHA256 hash: | 083652d241877c1d5b89477de317ceea0cf34bb4f790c59e597fd5ba33184aff |
|---|---|
| SHA3-384 hash: | a5ed233899919631b8586ec65e64330949da1653514aac61c758ae253020949cb5babb4e2be1ecc10d01245e913bcb0f |
| SHA1 hash: | b97289f244bba51a8c05e1380b2ff4e0c7772b66 |
| MD5 hash: | 97a942b9a247029596f897a37337d6ea |
| humanhash: | bluebird-east-eighteen-sweet |
| File name: | ENQUIRYSMRT119862021-ERW PIPES.pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 665'600 bytes |
| First seen: | 2021-09-07 07:59:18 UTC |
| Last seen: | 2021-09-08 12:11:44 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 6144:bcFJLgGvFi+748E7MTqlr+om0n2zdTfUKCvTVZcdMYVmhEkdiMZs:s4imMT8r+V0n2zxfUbvTIdJchExC |
| Threatray | 9'213 similar samples on MalwareBazaar |
| TLSH | T121E40B3E58FE23279176C7D5CBE48823F6C098AF3233A96467D747664316A4674C322E |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ENQUIRYSMRT119862021-ERW PIPES.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-07 08:00:23 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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
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:
Detection:
xloader
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-07 08:00:20 UTC
AV detection:
10 of 43 (23.26%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'203 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:ntem loader rat suricata
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.ransoneransone.com/ntem/
Unpacked files
SH256 hash:
52fc841a6dd0da6ee5577dfeed1e5824ea6447bb4e27511ea0b679490e36f54a
MD5 hash:
a19edb18591f07ec54557fc82c778ed5
SHA1 hash:
eb635efb80e7c40a14cf7350d4e136690ab71d86
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
0d88814cbef4d5453830e3cd0d6562a0d7c09041dee76388b32ef53f85577924
MD5 hash:
fe1677fc213f2921fa1254e6e0ef2302
SHA1 hash:
c9e1ec70591c1541d28efb57310a7d97a69c4dde
SH256 hash:
083652d241877c1d5b89477de317ceea0cf34bb4f790c59e597fd5ba33184aff
MD5 hash:
97a942b9a247029596f897a37337d6ea
SHA1 hash:
b97289f244bba51a8c05e1380b2ff4e0c7772b66
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
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
Dropped by
xloader
Delivery method
Distributed via e-mail attachment
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