MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2f4ac5b738edee6eba72fda547fcc09e92a80f62836f79cd171616b5c7219811. 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: | 2f4ac5b738edee6eba72fda547fcc09e92a80f62836f79cd171616b5c7219811 |
|---|---|
| SHA3-384 hash: | 3495ca02e8133d222e476ffad4245965b6da54f7246e67833b437c2c9c1e6f2ed4e463e6cebf2cea8cace4b3336fdf96 |
| SHA1 hash: | e97196a6d08dba22c90729ec659ebc8614a68d54 |
| MD5 hash: | 890e31feed2f707e5a0fd62e80e40cd6 |
| humanhash: | fanta-lake-avocado-sodium |
| File name: | 890e31feed2f707e5a0fd62e80e40cd6 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 221'070 bytes |
| First seen: | 2022-06-09 18:24:38 UTC |
| Last seen: | 2022-06-09 18:35:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | dd1742eadfc6df18ded3c26ae64ad610 (31 x Formbook, 5 x RemcosRAT, 3 x AgentTesla) |
| ssdeep | 6144:1bz1hHx7g/qpsa9dzeUUGT6u7CQtKIaYgClpMVpT0+/:d1hHxMSjUGWH8KqJGpTd |
| TLSH | T13124129B72E258ABD4DB543B0AF35FB8E3F8C6AB4104554B0F8C4F691D100969F2D7A2 |
| TrID | 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133) 3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 1.1% (.EXE) Win64 Executable (generic) (10523/12/4) 0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 0.5% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| 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 :
325
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
890e31feed2f707e5a0fd62e80e40cd6
Verdict:
Malicious activity
Analysis date:
2022-06-09 18:32:06 UTC
Tags:
installer formbook trojan stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
nemesis 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.
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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-09 18:25:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:a5vu 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:
212cc5385bdce777f49dc80f998e23f3b2439875bdf0bc956fa23a9c3300a998
MD5 hash:
0a65444979c36cb0e99d33082bf0bd8c
SHA1 hash:
e51d3f8f3ea97fe99049a253a4311fbfc7176d73
SH256 hash:
2f4ac5b738edee6eba72fda547fcc09e92a80f62836f79cd171616b5c7219811
MD5 hash:
890e31feed2f707e5a0fd62e80e40cd6
SHA1 hash:
e97196a6d08dba22c90729ec659ebc8614a68d54
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
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
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