MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 736e922d451686797ec76431a5c40aab65da4cc9de49fc8a898c013f44caf2ce. 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: | 736e922d451686797ec76431a5c40aab65da4cc9de49fc8a898c013f44caf2ce |
|---|---|
| SHA3-384 hash: | 5fa3485e59dcd3c7518b758fe766fb8d39642bec69a82be4ad271b91eecfb8af0dcfe92b16dc1ca0376837b2566eb096 |
| SHA1 hash: | f146444b7ca15ad4c3efc01eca7503db4eb72519 |
| MD5 hash: | 21673a4749aeeabb4fa393b40b31f5c7 |
| humanhash: | autumn-connecticut-tennessee-michigan |
| File name: | 21673a4749aeeabb4fa393b40b31f5c7 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 315'706 bytes |
| First seen: | 2022-03-02 19:32:11 UTC |
| Last seen: | 2022-03-02 21:58:25 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 6144:rGiRy5s2PU9FpVmbaDUMddbNxx/t69Jz1Lvv6zADTM8kgYoqJMa8d9b:qPMLmaDdbfx/teJZT68DZkghrd1 |
| Threatray | 13'810 similar samples on MalwareBazaar |
| TLSH | T17B6422466DDC20A7C78ACD71957D9B8FD3F6E89B12178F86C3E80FB55AA2195C01C283 |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
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:
RaRansomware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
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 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:
2022-03-02 17:20:00 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 27 (81.48%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'800 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:y329 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
aa8b038ef97a303f9c594affa458005a16ea7b9e6b44b3ca2b24ded8e95b488f
MD5 hash:
a87458411004c115f6eb2ab6c16d18ae
SHA1 hash:
356053a58d4520b6f2e3766fb3f7b9da1cbe6e4e
SH256 hash:
cf8768a06b3f43ae106528d98a335ccdd2546fc7c2546a4b462183c58de598c9
MD5 hash:
632329acde4631c63052780b4f1b4037
SHA1 hash:
a79d519aec32862764aa9bd6ba075868e8b45492
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
736e922d451686797ec76431a5c40aab65da4cc9de49fc8a898c013f44caf2ce
MD5 hash:
21673a4749aeeabb4fa393b40b31f5c7
SHA1 hash:
f146444b7ca15ad4c3efc01eca7503db4eb72519
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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