MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6d1b5d02ac804560ee8d86aab2544363dbd2d4f6cc8adb9c77b249dec2df7945. 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: | 6d1b5d02ac804560ee8d86aab2544363dbd2d4f6cc8adb9c77b249dec2df7945 |
|---|---|
| SHA3-384 hash: | df7895c3bc833b35c115c9c6b6a8269d5fd13b0dca1b143fdd314dff4daa37820465db6036da49aa7def8d1977cc3edf |
| SHA1 hash: | 6a33f67424ce760102da2d5f7bfca4ff3051a203 |
| MD5 hash: | 7f90caf01ca6411e06316d298c97710b |
| humanhash: | cardinal-michigan-colorado-kitten |
| File name: | IRQ2107799_pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 305'441 bytes |
| First seen: | 2022-03-16 07:45:54 UTC |
| Last seen: | 2022-03-16 10:06:00 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 6144:rGirJDnuuVhZek8ZYAX4nUBlKsg26QZZWh9fSDzD8mQ6mBCVkvmHvYQ:RBVhZen3InQwGD353ECVFvr |
| Threatray | 11'472 similar samples on MalwareBazaar |
| TLSH | T1F654122E37D49AFBE3CD0A792134A7BFAF7D88142206184727508FAE3DA17E71694057 |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
C0R39158T201873322.eml
Verdict:
Malicious activity
Analysis date:
2022-03-16 09:15:52 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-16 07:46:21 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 27 (77.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 11'462 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:e0l9 rat spyware stealer suricata trojan
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6d1b5d02ac804560ee8d86aab2544363dbd2d4f6cc8adb9c77b249dec2df7945
MD5 hash:
7f90caf01ca6411e06316d298c97710b
SHA1 hash:
6a33f67424ce760102da2d5f7bfca4ff3051a203
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
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: | 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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