MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 76a9d850411a7418f464266168a7df679b4fa00934649ed2e509156aa2875be2. 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: | 76a9d850411a7418f464266168a7df679b4fa00934649ed2e509156aa2875be2 |
|---|---|
| SHA3-384 hash: | e3d7b602a9e69c9d527a0eab64bc2ddf371c43caec79dddccdac7847d3e9db332c99faf931ed76cc27c9224e7a927737 |
| SHA1 hash: | 35cdf7a7e33e50ae2029b9f023769d6ecfdbc26f |
| MD5 hash: | 9f57fc54e657e237a2208000532e99bb |
| humanhash: | hydrogen-nuts-idaho-avocado |
| File name: | SecuriteInfo.com.Trojan.Win32.Formbook.3cc50675.17377.30053 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 238'405 bytes |
| First seen: | 2021-06-09 08:44:40 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:JPB6yjkFPS3SvoR0uQkFzOOid3FSSjZwx4gIM:Fdjc63auQkF3yIPxVIM |
| Threatray | 5'743 similar samples on MalwareBazaar |
| TLSH | 5334121A61E3CCBBD4D18F320E71B76AE376E70E05556E4B47186FBEAC1058387182E6 |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
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:
2021-06-09 08:45:11 UTC
AV detection:
13 of 47 (27.66%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'733 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.rebeccannemontgomery.net/dp3a/
Unpacked files
SH256 hash:
3879b7bcedc5b4ce3e64f77b14f9ec47bf6d160b73f1c46c8cbb62b918d6e7f7
MD5 hash:
436b213274aa541fb0e0d1321bf4890f
SHA1 hash:
99302719e42a3483ddfc4c1d23e4599a4fd6d739
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
MD5 hash:
c17103ae9072a06da581dec998343fc1
SHA1 hash:
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SH256 hash:
76a9d850411a7418f464266168a7df679b4fa00934649ed2e509156aa2875be2
MD5 hash:
9f57fc54e657e237a2208000532e99bb
SHA1 hash:
35cdf7a7e33e50ae2029b9f023769d6ecfdbc26f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
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: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
| Rule name: | win_formbook_g0 |
|---|---|
| Author: | Slavo Greminger, SWITCH-CERT |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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