MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b88f9f5f1944a3f2d0f7586fcdb3b3262bfb979e3fbc3364b306067cc6d5f38e. 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: 11
| SHA256 hash: | b88f9f5f1944a3f2d0f7586fcdb3b3262bfb979e3fbc3364b306067cc6d5f38e |
|---|---|
| SHA3-384 hash: | b953e6d8892b779087ce9dbc9399e7ed85daddc6031ff60f8852261746f35b39adb22d003adf2cfa26972df6a3f26714 |
| SHA1 hash: | 74b835eb13019d63404258776791cab16db4ccfd |
| MD5 hash: | dff6c60684ba9f0c0eaafcfa6fbd2dcb |
| humanhash: | xray-xray-august-october |
| File name: | 7IaVcfn93gmybib.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 513'536 bytes |
| First seen: | 2022-02-08 15:35:48 UTC |
| Last seen: | 2022-02-08 18:23:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:i5owI9woSPpJDUZbsfisfokaYEMmO1LXArk0VeBiG+gmwLhaeLNP1zwM4s/MMJ3X:i5wk3Qqff5LXAIMG+Q1BP1zAs/3J8gz |
| Threatray | 13'137 similar samples on MalwareBazaar |
| TLSH | T152B47B2F48BF113AC6BCCB3198D0CE1FF866D5563977A91D2A8225D905232F275D222F |
| Reporter |  TeamDreier |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Result
Verdict:
UNKNOWN
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
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-08 15:32:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'127 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:cbgo 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
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ceb6a86d334fc6a15bcc80c7f78605d4d753d107f9a87cac9617f05e1a0451d3
MD5 hash:
178c97c45bf7a9f78755b58266746dd8
SHA1 hash:
422e21dbcce796c016b6c56c14e0c11db9fa7683
Detections:
win_formbook_g0
win_formbook_auto
Parent samples :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 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
SH256 hash:
955156165687eb602d93d67e085a5d80cb960a9a507ad10798deace22d92e63a
MD5 hash:
d388799ceb9fa42832c54a6dc264b174
SHA1 hash:
5d0922fb2efc6642618da62087fbf4ae9fff0020
SH256 hash:
b88f9f5f1944a3f2d0f7586fcdb3b3262bfb979e3fbc3364b306067cc6d5f38e
MD5 hash:
dff6c60684ba9f0c0eaafcfa6fbd2dcb
SHA1 hash:
74b835eb13019d63404258776791cab16db4ccfd
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: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
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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