MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8d77ac5e45a0f443b317f1a717dffd55e98319508cc05080ea006b5fcc93c78a. 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: 13
| SHA256 hash: | 8d77ac5e45a0f443b317f1a717dffd55e98319508cc05080ea006b5fcc93c78a |
|---|---|
| SHA3-384 hash: | 58562b50d625338bfe27ec01b79d6fdfe06270b5a0c3e4b5795e04a93a433c9b7304cb0dc98e9eb0e145045d0d7b92e1 |
| SHA1 hash: | e3b60ba7545988e92df333202dfe195f948f4a6f |
| MD5 hash: | 18a74ebcd46e9b50e26d770fd28baa28 |
| humanhash: | harry-montana-salami-social |
| File name: | 85674.bin |
| Download: | download sample |
| Signature | Formbook |
| File size: | 338'944 bytes |
| First seen: | 2021-04-14 05:12:04 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0b6968a3728849da0a75cdaf93956fc2 (2 x Formbook, 2 x RedLineStealer) |
| ssdeep | 6144:MBufL0rzXQTdQxT0YHyVU8EFc/xsjX/H1Q:MBufgXQJQxIYHzpa/xsj1 |
| Threatray | 4'666 similar samples on MalwareBazaar |
| TLSH | 9974CF5173D0C0B2D05324758225C7B18FBEB435A9769ACFAFC90AB85F246D2972A70F |
| Reporter |  JAMESWT_WT |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
85674.ace
Verdict:
Malicious activity
Analysis date:
2021-04-14 05:09:50 UTC
Tags:
trojan formbook stealer opendir
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
Unauthorized injection to a recently created process
DNS request
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Sending an HTTP GET request
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
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
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)
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.FormBook
Status:
Malicious
First seen:
2021-04-13 16:01:16 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 4'656 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader rat
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.batiktintaemas.com/goei/
Unpacked files
SH256 hash:
4cf86d2f62107e452c7f625e70afc0651bcd6ff6ca8be5f6dbb421e756e01e91
MD5 hash:
694b199b716f616e9959e2fc8ef12227
SHA1 hash:
b1736717adacda124d9ffb537969830a57e60132
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
8d77ac5e45a0f443b317f1a717dffd55e98319508cc05080ea006b5fcc93c78a
MD5 hash:
18a74ebcd46e9b50e26d770fd28baa28
SHA1 hash:
e3b60ba7545988e92df333202dfe195f948f4a6f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | 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_nymaim_g0 |
|---|---|
| Author: | mak, msm, CERT.pl |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0012.001] Anti-Static Analysis::Argument Obfuscation
1) [C0003.002] Communication Micro-objective::Connect Pipe::Interprocess Communication
2) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
3) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
4) [C0049] File System Micro-objective::Get File Attributes
5) [C0050] File System Micro-objective::Set File Attributes
6) [C0052] File System Micro-objective::Writes File
7) [C0033] Operating System Micro-objective::Console
8) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
9) [C0040] Process Micro-objective::Allocate Thread Local Storage
10) [C0041] Process Micro-objective::Set Thread Local Storage Value
11) [C0018] Process Micro-objective::Terminate Process