MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7aa1c19a3c4e2ebcbe15bc2d98dd4fc4aa93fd2cb9130290d17bef4faf7c2fea. 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: 11
| SHA256 hash: | 7aa1c19a3c4e2ebcbe15bc2d98dd4fc4aa93fd2cb9130290d17bef4faf7c2fea |
|---|---|
| SHA3-384 hash: | bb9133b49795db4a9a57afbad158c3f1d7fc1f3766f3b96863adf017e7de3603cd0a9173563b2e96afe337c79e6da258 |
| SHA1 hash: | f320865cce96eaf0889fdf8c997c65153e65711f |
| MD5 hash: | 23cd36c1946f2412a2183a12cf4fdaa3 |
| humanhash: | hydrogen-white-spaghetti-burger |
| File name: | Remittance_90523_03.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 847'872 bytes |
| First seen: | 2024-02-05 14:42:32 UTC |
| Last seen: | 2024-02-05 16:40:13 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:vpGIr9cxfQ2wvbGwicvrgDOaZg+5M+exmJhI:RGIrcOG4VN+5Mp |
| Threatray | 985 similar samples on MalwareBazaar |
| TLSH | T14F0501562294EF67C43A07F1C56188A913F67D6AF830E28F1CC67CE77AB2B904664D07 |
| 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) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
290
Origin country :
NLVendor Threat Intelligence
Detection:
n/a
Detection(s):
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
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:
MSIL Injector
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2024-02-05 05:03:55 UTC
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 975 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
db45c91f048f475e4fc2fdd60915c4360a9b54e7495427b4322c5033b114b2cb
MD5 hash:
51db6376d98468b832585c4e032f2d3a
SHA1 hash:
a8fa91d277a15bb73ee53c86b30d4f36309c4dc8
SH256 hash:
b3f2bcb08ae6ed77b51186dc73ac27afc31c9e3b175914fbc7e932a053024057
MD5 hash:
8edcf081ada9f28a2722afb40ac6e099
SHA1 hash:
9a1d6568a6063fccac7eef51a12cbdaa81b82262
SH256 hash:
63faf1297f2b4c348266512a8a48e22acc70002d8658624ddc781ecf2f499f8e
MD5 hash:
d1e39633ab3b7e13248de8cd60e49588
SHA1 hash:
9024cdb102dc4050267710d8b05e9075d21c8d7c
SH256 hash:
0dcda6a0be8c348c856400805c9466b2e55bdc7d492a3d1d64abe93904baa621
MD5 hash:
91cb88d17abadeb2d49cee171eba841e
SHA1 hash:
8a7b14f982a5edb13fc20595bbee186d7c20c586
SH256 hash:
f4d18078f32176e0ebde16a6cf345d09e6933fb38222797d273f00739f605f7a
MD5 hash:
9bdf381423d30a68a3303e6b6b5e49a1
SHA1 hash:
4cfe7c6e91e7095ff2806c864b8310b7c76625da
SH256 hash:
7aa1c19a3c4e2ebcbe15bc2d98dd4fc4aa93fd2cb9130290d17bef4faf7c2fea
MD5 hash:
23cd36c1946f2412a2183a12cf4fdaa3
SHA1 hash:
f320865cce96eaf0889fdf8c997c65153e65711f
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.
Malspam
Delivery method
Distributed via e-mail attachment
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