MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b81f54c319710ad77c8f7c20f642e77c6823c8c47c504e20a95c264858d52c3b. 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: 15
| SHA256 hash: | b81f54c319710ad77c8f7c20f642e77c6823c8c47c504e20a95c264858d52c3b |
|---|---|
| SHA3-384 hash: | 16b6f811d38baaf389a4b249107a5cdb59aee7ccd0ffa9b5fb4dbcbeebf9d7e88b369de79ed6d8f1254ed5c32a48b48e |
| SHA1 hash: | d89053afd5a0ebf3dea9a56d600bded53ec09fd7 |
| MD5 hash: | a2ea38677342fa094ee06ea82ff865c9 |
| humanhash: | maryland-magnesium-angel-alabama |
| File name: | Doc_200ls.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 221'623 bytes |
| First seen: | 2022-06-09 11:18:07 UTC |
| Last seen: | 2022-06-09 12:12:49 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | dd1742eadfc6df18ded3c26ae64ad610 (31 x Formbook, 5 x RemcosRAT, 3 x AgentTesla) |
| ssdeep | 6144:1bU6M8Zt7AM5/l4teQSoO1H3g1ugI5jywvkkAK4t:fM6T4YaOh36b3wMt |
| TLSH | T16F24125229C07CBFEB8745714AF67B29F37BE2342012891B07685F771A10A87CD192EA |
| 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 |  malwarelabnet |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Doc_200ls.exe
Verdict:
Malicious activity
Analysis date:
2022-06-09 23:43:57 UTC
Tags:
installer formbook trojan stealer
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
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
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:
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:
80 / 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)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-09 11:19:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:mh76 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:
2670c0d688876b9221e4c4d5cc817f21719ccb2520e3f2f7b2b86cf61d45b679
MD5 hash:
0166a6d5deded1192749739d320e3db9
SHA1 hash:
7a02f978a582c414c538d3618f01b310f4f4e551
SH256 hash:
b81f54c319710ad77c8f7c20f642e77c6823c8c47c504e20a95c264858d52c3b
MD5 hash:
a2ea38677342fa094ee06ea82ff865c9
SHA1 hash:
d89053afd5a0ebf3dea9a56d600bded53ec09fd7
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.
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