MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4af100907ae9ec353fae6331e31d19c3af90deaa69acb17b0b75f96c82c43f3f. 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: | 4af100907ae9ec353fae6331e31d19c3af90deaa69acb17b0b75f96c82c43f3f |
|---|---|
| SHA3-384 hash: | 31ad88690c30c5cb0c829828f94cfbb874500b8d2bad8de2daf672635e075cd2e057effa0aeb48e3f14fb027938c5773 |
| SHA1 hash: | a628a6957cdd14e02ce3ea1a45d2bd1b448a9542 |
| MD5 hash: | 8f0fc01f0c573119a178fa8d1b86aba9 |
| humanhash: | idaho-uniform-fillet-pasta |
| File name: | 8f0fc01f0c573119a178fa8d1b86aba9 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 470'779 bytes |
| First seen: | 2022-06-09 11:30:58 UTC |
| Last seen: | 2022-06-09 12:49:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | dd1742eadfc6df18ded3c26ae64ad610 (31 x Formbook, 5 x RemcosRAT, 3 x AgentTesla) |
| ssdeep | 6144:ibWgQbk+FaHenkxQptb2EwfEYU46SlEmEcnbzd3Oyerj0R16wCz+fwTh+6U/QwNI:JHqm2qPAErelOy4mH7+hPUxNApU5Tqt |
| TLSH | T131A4F1597FD1D92BD2461A304EF6E718A37CFD005D274203BB507F9E6E72A8D6A021CA |
| 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 | 71f8acbebef47002 (1 x Formbook) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
8f0fc01f0c573119a178fa8d1b86aba9
Verdict:
Malicious activity
Analysis date:
2022-06-09 23:28:39 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
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
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:
Formbook
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)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
Performs DNS queries to domains with low reputation
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
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Injexa
Status:
Malicious
First seen:
2022-06-08 11:40:21 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:sh30 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:
5cb85f5474caaae0e94563407573f20522a5989318d250eca43a916b87504cc5
MD5 hash:
e73ad7999e6542971369bfa4a3d42997
SHA1 hash:
0014a4fa7274537638076bdb2648829a878da6ec
SH256 hash:
4af100907ae9ec353fae6331e31d19c3af90deaa69acb17b0b75f96c82c43f3f
MD5 hash:
8f0fc01f0c573119a178fa8d1b86aba9
SHA1 hash:
a628a6957cdd14e02ce3ea1a45d2bd1b448a9542
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
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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