MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a557dd45c97fa26c318728d77a46ea6b69afba06d1cbdc00975fe27492c5f17a. 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: 12
| SHA256 hash: | a557dd45c97fa26c318728d77a46ea6b69afba06d1cbdc00975fe27492c5f17a |
|---|---|
| SHA3-384 hash: | 17d16544ea8e933c20fb4669fcc8d3e911b8f235fdb3407bc0119bbf54e5f4be845130f2eda67a7a43e6b5e3da03e7be |
| SHA1 hash: | 7f6cc3851f4e778abad04e910849d81321b3112b |
| MD5 hash: | ff3e0ab57af118dc198c22762d82a853 |
| humanhash: | batman-white-romeo-mango |
| File name: | Payment_receipt-jpg.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 210'617 bytes |
| First seen: | 2021-02-26 07:31:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT) |
| ssdeep | 6144:r9X0GfRSkvYCzAZ58ry8dCtFPbdJ7zbNko:F0qNYEAU3CtFPDzhj |
| Threatray | 3'977 similar samples on MalwareBazaar |
| TLSH | 2A24126263E0D4FFD91A437119BB6D29EFE9E66532461B076B482BC9344202FF90F385 |
| Reporter |  GovCERT_CH |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment_receipt-jpg.exe
Verdict:
Malicious activity
Analysis date:
2021-02-26 13:29:08 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
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:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
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)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Ymacco
Status:
Malicious
First seen:
2021-02-25 07:30:20 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'967 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.t-delivery.com/c8bs/
Unpacked files
SH256 hash:
402260747b0fbaa0dc8560c616b65cb758e13fd2da70627acbde9a214096c6c3
MD5 hash:
9bef44351dfbc499326ec37aa07dd912
SHA1 hash:
f288eecb36073a41976538233f949f0f2421cd94
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
6b53d6fa4acf1b4c9d9c7409802f7777d034bc3a962153a8cd9d5fbca6f24afd
MD5 hash:
8d9bff9b3f3edf81661f9115855f4ade
SHA1 hash:
9cf878d442d2fc5126b1893486c2365684b2b9db
SH256 hash:
c3e8fd48c7c175936dd9e7481c892ab5a3cd2aadeb643d264224c3dfe7095a89
MD5 hash:
d1e12e3c51fec6f539ae3fc7189ba4c9
SHA1 hash:
0de859143bf88344d8a3be60348e7a6f4e8d6ecf
SH256 hash:
a557dd45c97fa26c318728d77a46ea6b69afba06d1cbdc00975fe27492c5f17a
MD5 hash:
ff3e0ab57af118dc198c22762d82a853
SHA1 hash:
7f6cc3851f4e778abad04e910849d81321b3112b
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
e7680bf3da532f3f49a6265e0ae4d7473d8b46e5c1281cf49873ce06d98f9d9a
Dropped by
MD5 481140c66c8443aa0189c22073a62c1d
Dropped by
SHA256 e7680bf3da532f3f49a6265e0ae4d7473d8b46e5c1281cf49873ce06d98f9d9a
Delivery method
Distributed via e-mail attachment
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