MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8e44f4a0d92297c5bb5b217c121f0d032850b38749044face2b0014e789adfb. 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: 16
| SHA256 hash: | b8e44f4a0d92297c5bb5b217c121f0d032850b38749044face2b0014e789adfb |
|---|---|
| SHA3-384 hash: | cb3cfd8de9e8d9a82a553697d163726f87560ee21f2b35fde01b50843f76c02ac0ab60ba703fbb9063c85ed0b7f8c808 |
| SHA1 hash: | b88c7b66084df935e07eb7ab91df94695122fdd2 |
| MD5 hash: | 8e8683b5cab62c86bcde45395187f97a |
| humanhash: | moon-minnesota-thirteen-sixteen |
| File name: | SecuriteInfo.com.Win32.PWSX-gen.14038.17638 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 663'040 bytes |
| First seen: | 2023-10-11 04:32:36 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:T7YX9Kx0RDyzxJjEqNT3v+VaMPA6WllBQWWr2vPWFkIM9sSa:wtBJCxJZN3v+VaMP9Q4rEPWWNm |
| Threatray | 54 similar samples on MalwareBazaar |
| TLSH | T11AE4F14073BA5B2BDEBA47F10661256887F6392E783AF3941DC1A4DF94A2F405E01F27 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
291
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.14038.17638
Verdict:
No threats detected
Analysis date:
2023-10-11 04:33:44 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-11 04:33:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 23 (69.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 44 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:k0p2 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
6aa3774f5970d5159bd77c8689b72e94c30d0fedc2b9b53f5b74cca7ed96dae5
MD5 hash:
5a673c347e1115fdab709d0003f496d0
SHA1 hash:
835d052b4140b99e2fffcd7af37337a2c597b5fb
Detections:
FormBook
win_formbook_w0
win_formbook_auto
win_formbook_g0
SH256 hash:
a040efb5ce92995b5d40fd2536c8ad6a93f2d8584a3dd52f07cdb0b34c9e6e29
MD5 hash:
a5a52675690de850e3de6c05a9bd885f
SHA1 hash:
fd953edf2e910fbb43c9e6d4c8d48632bb4e55c6
SH256 hash:
262611bf98f4e161a34f01686e175d2d46d173812c3d64be882ed8baaad5c932
MD5 hash:
49c952d876a5a4ff917369ebe7f1a8e5
SHA1 hash:
eca63a0f3489780e60d60e2176cd0bafec97ddeb
SH256 hash:
90cbecc8825b035ef179fdcb655320eaf05c1a99ef9c718e8a34db465e31c20c
MD5 hash:
e76cd43ced29b6107aa42c43c9e869f8
SHA1 hash:
a26ebc70dda25eb1eac94d9b3758477e1fe4fb0f
SH256 hash:
b8e44f4a0d92297c5bb5b217c121f0d032850b38749044face2b0014e789adfb
MD5 hash:
8e8683b5cab62c86bcde45395187f97a
SHA1 hash:
b88c7b66084df935e07eb7ab91df94695122fdd2
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| 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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