MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 28c28db28e96276f72ce38a60d04f0711388d3f93ecb34d4721dc94fc2bf9f07. 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: | 28c28db28e96276f72ce38a60d04f0711388d3f93ecb34d4721dc94fc2bf9f07 |
|---|---|
| SHA3-384 hash: | 5ac08ac4598f1f3a4afe4b9136e4825e98a91377c4124e57a95e8e14c108512b5b6625651c91168e016a34ad5840b20c |
| SHA1 hash: | 2799490cd1831593b1c2694978c1dbec849bf96e |
| MD5 hash: | 265e12d9de5e962b90ab8d8dd39e3a66 |
| humanhash: | maryland-oxygen-one-aspen |
| File name: | Petrogulf 108-22.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 797'184 bytes |
| First seen: | 2022-02-24 15:10:01 UTC |
| Last seen: | 2022-02-24 16:47:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:WkgFEJgYYz0wnHZHEQRmYIso2huSWCL9xLEmSAQ31nPq2oK9PO/Z:q9jRdlIsvuSN5p2q2oKg/ |
| Threatray | 13'903 similar samples on MalwareBazaar |
| TLSH | T13505BD1028AF66CEF1768BFE5DD8A9B18BBAF43A3519F1B91C815EC60741B00DD11A33 |
| Reporter |  604Kuzushi |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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:
Generic Malware
Verdict:
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
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 domain / URL
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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:
2022-02-24 11:58:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 28 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'893 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:w8n5 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 WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a934f1faf08ee4e5f3dcf393931ee624138c2505ad7bf8f041f4857bbcb1f227
MD5 hash:
9e36b088a1b8b27508dd4e3b643551b1
SHA1 hash:
342cc7de0a9cb275453d8d12fde70dd0568320aa
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
d7f284fc4a1d2abebdf1a0e70b91284c54f3844a7ceaf93ab8cd054c3febf3ed
MD5 hash:
8341ae72f44313ca5554a79f535b7047
SHA1 hash:
9e66fcacbcab237a8d6393870542c05ca2b3e05d
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
SH256 hash:
c9047f38940687442f449fcc1c91d4568f8bfc24556120c8c2d60ffe6be43029
MD5 hash:
08bac8ce8b4dd14e13775319d84b1930
SHA1 hash:
5880ecfd0d05a9c95537c3135dde32655cef8fff
SH256 hash:
28c28db28e96276f72ce38a60d04f0711388d3f93ecb34d4721dc94fc2bf9f07
MD5 hash:
265e12d9de5e962b90ab8d8dd39e3a66
SHA1 hash:
2799490cd1831593b1c2694978c1dbec849bf96e
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: | 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
Delivery method
Distributed via e-mail attachment
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