MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 39ddaee91bc18e34a3c39e4072d30bb05348713bdac74202e804857ccbcf6991. 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: | 39ddaee91bc18e34a3c39e4072d30bb05348713bdac74202e804857ccbcf6991 |
|---|---|
| SHA3-384 hash: | 90ebfffb9eb15d8a69a3f47449e11c462c414af53bb4c4960d1527ac2e1e5e1fb0497a183feecd3ce64f7b36d2f89ba9 |
| SHA1 hash: | f3e57e73410165430e1f035ec7313ed8938fdb9d |
| MD5 hash: | 6c26d195e1f5e0c7f21dd948eb9a588d |
| humanhash: | seventeen-one-aspen-utah |
| File name: | triage_dropped_file |
| Download: | download sample |
| Signature | Formbook |
| File size: | 677'376 bytes |
| First seen: | 2022-08-23 11:17:08 UTC |
| Last seen: | 2022-08-23 12:21:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 12288:dcJNWu3XDG2wNTbxB1UidOk7H0h+1kPo6x/jZld1pi8W5Kw5:gNZG2wp6oB36xrx1pLWX |
| TLSH | T186E4E06776689F27C7E843B5DC60C0B007B978AEA7B3D67A3E8230D93932B155608D47 |
| TrID | 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.5% (.SCR) Windows screen saver (13101/52/3) 9.2% (.EXE) Win64 Executable (generic) (10523/12/4) 5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.9% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 6670596f4f4e0d0a (34 x Loki, 25 x AgentTesla, 21 x SnakeKeylogger) |
| Reporter |  malwarelabnet |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
triage_dropped_file
Verdict:
Malicious activity
Analysis date:
2022-08-23 11:17:46 UTC
Tags:
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
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-23 11:18:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
56
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
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
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
0abc17afedefde90273f4f395f4f49eea032436567647e5c5cfb19db243b01a0
MD5 hash:
f7059e10242a0247efe30cb95c411ef4
SHA1 hash:
5278028d70d561cae5f9d0969af10572b068f6a6
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
SH256 hash:
ef3736df0ee77a603ca2b6208679a333342d8b2cb534e4cca1ea1ca3edd0c782
MD5 hash:
758d4052d196474232aa72a563acd0ac
SHA1 hash:
bf2c8a8b8875ced494fdf0f18f8b4cf5938001d4
SH256 hash:
3e539ac1fffc96c95c276eb033c3be50266edfdbc15fd28da4f67a40c5694f74
MD5 hash:
3152849bbe8c2b6a290f42baf3ff0036
SHA1 hash:
22306c25113a9fcdd8736929a2a346ce2dd75ca0
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
39ddaee91bc18e34a3c39e4072d30bb05348713bdac74202e804857ccbcf6991
MD5 hash:
6c26d195e1f5e0c7f21dd948eb9a588d
SHA1 hash:
f3e57e73410165430e1f035ec7313ed8938fdb9d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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