MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dfb938333b6dbb62861831b5641728e8bfa444d4b820df6fb6dbce56f83ab42f. 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: | dfb938333b6dbb62861831b5641728e8bfa444d4b820df6fb6dbce56f83ab42f |
|---|---|
| SHA3-384 hash: | 3484d2593cff17fb43d2ad23f5f97166b13b66bdae49c59194ca3cdb45d70baab3cf278addad60e5d7bc9b87759e4d69 |
| SHA1 hash: | 4ff7a0f96d47346196b532c2038c054feab9fc53 |
| MD5 hash: | 6259cb95ec25283526b4d72d6401813d |
| humanhash: | twelve-oven-oklahoma-paris |
| File name: | 6259cb95ec25283526b4d72d6401813d |
| Download: | download sample |
| Signature | Formbook |
| File size: | 513'024 bytes |
| First seen: | 2021-11-23 15:12:57 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:FNnDJD8xW3HON6qs6q+n0jvIPJxh822KlMdS+z0ztD001:FRDJD8xWQW6qNveEBAvzC01 |
| Threatray | 11'767 similar samples on MalwareBazaar |
| TLSH | T1E4B4F21537586746C86D4B378CE190C1137A9A922E04D76FACC83ACD2922FDE5B137BB |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PL1302023000126.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-23 12:42:47 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
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.
Verdict:
Unknown
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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:
Detection:
xloader
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2021-11-23 12:56:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 27 (77.78%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 11'757 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:m38c loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.madcn.net/m38c/
Unpacked files
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
SH256 hash:
e6c23675225a0f5cb98ef5dc407de5b72c687c8e83fc9074363135ea4f5fe3d8
MD5 hash:
8a91357cf19842fe05221814b0950ad1
SHA1 hash:
d41fdc7bdf09e92e759a97eceed7796b6232ee97
SH256 hash:
7b67bcc4d0b8292cf8973c49cdbcf089f58a980d6fe047c84e5b4a48e725d6b1
MD5 hash:
dba822e040d3a4b61b72fb5f393b9bcb
SHA1 hash:
69a5940835f351ee99bbefa717179c60ee305854
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
dfb938333b6dbb62861831b5641728e8bfa444d4b820df6fb6dbce56f83ab42f
MD5 hash:
6259cb95ec25283526b4d72d6401813d
SHA1 hash:
4ff7a0f96d47346196b532c2038c054feab9fc53
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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.
Web download
Delivery method
Distributed via web download
Comments
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