MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a48a4f0d917d131353d46e23144550e83a39b26ab311287e4cdff30c009d5f66. 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: | a48a4f0d917d131353d46e23144550e83a39b26ab311287e4cdff30c009d5f66 |
|---|---|
| SHA3-384 hash: | 06515fb8b7389d3b719de47c0745a4a4fb775053344e2fe434b485760f979f281f86d4ef19ccbb75870f45844b4608f6 |
| SHA1 hash: | f46520851170927889aee0e23cb47d5f194dce28 |
| MD5 hash: | c9788466808c630c0bcde8b53ba90bc9 |
| humanhash: | magnesium-cat-dakota-six |
| File name: | INQUIRY 1820516 pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 592'384 bytes |
| First seen: | 2021-04-11 07:32:11 UTC |
| Last seen: | 2021-04-11 09:04:03 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 12288:RJwzF9sVHwUMNdVsINOL9Q8iqNf3JnEl7We+xBuX5mv7y:nwbsTMOZwqNf3+7WrYpam |
| Threatray | 4'692 similar samples on MalwareBazaar |
| TLSH | 0BC4E17437A99715D57D97350830A28013F6B627EF12CB0D6ED8019D4FB36A38B12BA7 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing Formbook:HELO: alkuhaimi.com
Sending IP: 45.137.22.56
From: Customer Support<rud-division@alkuhaimi.com>
Subject: URGENT INQUIRY 1820516
Attachment: INQUIRY 1820516 pdf.z (contains "INQUIRY 1820516 pdf.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INQUIRY 1820516 pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-04-11 07:36:03 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-04-10 15:23:46 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 4'682 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://w����5 �@q[*��S=���m
Unpacked files
SH256 hash:
c5519ef771321d62260735c62622297b284e823d97b29eed0dae704d89bb4c5f
MD5 hash:
0158502a4a1ee47ae2abfe604f2fd748
SHA1 hash:
3dec24548c89d943f3fe9a4dd0b8663cbdcf6e0d
SH256 hash:
a48a4f0d917d131353d46e23144550e83a39b26ab311287e4cdff30c009d5f66
MD5 hash:
c9788466808c630c0bcde8b53ba90bc9
SHA1 hash:
f46520851170927889aee0e23cb47d5f194dce28
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
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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