MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 603b9ff5f2450d74e36a1102c2376268b08224658f5b1dfa26d3e53636a76660. 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: 13
| SHA256 hash: | 603b9ff5f2450d74e36a1102c2376268b08224658f5b1dfa26d3e53636a76660 |
|---|---|
| SHA3-384 hash: | 5f005bc6def20c37a8d734ba103e4cfc97a7c6ccc9bb65ffd45a323cee1d2b07fb0d8636e33b22d2ad6044b513317f2d |
| SHA1 hash: | a004c760f745b1cc6d14aee87b6164cb3c4fc36c |
| MD5 hash: | 6b40f897cb3162a30b4f4f63af64963a |
| humanhash: | zulu-ink-equal-pluto |
| File name: | DOC20220919-5678909876556089.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 805'888 bytes |
| First seen: | 2022-09-24 22:19:00 UTC |
| Last seen: | 2022-10-07 13:06:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:/bsNQBpuOR/+Mfm8pX8eNv1dsgGCWjwP/zXWpuKHaefN4tKe:aisMfNFx3sQnLWpie4 |
| TLSH | T1AC05DF141779CA0BC869A934D8D2E3711EAC1DD5936FC24B48DC7C7BF63A39878913A2 |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
75%
Tags:
formbook packed
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 potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 domain / URL
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-09-19 03:59:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
27 of 40 (67.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:c1no rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
219a9fe055cd01231fe478956c05d6624135238342fe053640d9b4e8108e3bde
MD5 hash:
d8c7308ae69ad5fc7ca3dea4717a198a
SHA1 hash:
8a0b78eda6ebc085b1f2f84fede1079fe57be0ab
Detections:
XLoader
win_formbook_auto
win_formbook_g0
SH256 hash:
06a7002f142e206b091624ab2c8a2097b2dfc90ef3e4aa322c18def2dfc137e6
MD5 hash:
42391e132c2dc2a854d810b2421943e9
SHA1 hash:
83939ec5d31830102f5aeb546b18ac709dc1b7a8
SH256 hash:
95e9b35b170b3e5c66dca2db9b4e6032616711df37c767d41f46f04cddd2927d
MD5 hash:
25c6a2b93a1b5a552bbd4c11bf183ec0
SHA1 hash:
f9d2db27f504cc883303dbfa595f1f53bfc29bff
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
26ac2799d6b593c545b48df9c41f4fe127d67703ffbd0827f42f96d3705a6416
MD5 hash:
a84baff344d7ac58099d11155421fd20
SHA1 hash:
020fb3bee3b7d073df73627a00ef2b38aed1f980
SH256 hash:
603b9ff5f2450d74e36a1102c2376268b08224658f5b1dfa26d3e53636a76660
MD5 hash:
6b40f897cb3162a30b4f4f63af64963a
SHA1 hash:
a004c760f745b1cc6d14aee87b6164cb3c4fc36c
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: | 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
Dropped by
formbook
Delivery method
Distributed via e-mail attachment
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