MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a21e6152ab64dd707804187d01388a34938f9982779ded1446e9881bb834c53. 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: 10
| SHA256 hash: | 4a21e6152ab64dd707804187d01388a34938f9982779ded1446e9881bb834c53 |
|---|---|
| SHA3-384 hash: | 7ca843eb45269af3b3bfd1204b01f1c7cbb21b68545f0dc3de7b43bd386a7b5449b93aca45806ec7bb7f7ade2b575495 |
| SHA1 hash: | bc2d084d241babb070b1185e81110c98e9f180aa |
| MD5 hash: | 4bea302f19df7b5546dc279c9bd9bec2 |
| humanhash: | north-oven-failed-berlin |
| File name: | Original Doc Ref 2853801324189923.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 553'472 bytes |
| First seen: | 2021-12-01 12:08:03 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'472 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:F86/H9xGhbA9aaknGHh9Vt8jpNG3pCbRzqM5j21W8sUfXwQ:F86/HmkpknGB9V+Ng3sRHj21cagQ |
| Threatray | 11'997 similar samples on MalwareBazaar |
| TLSH | T13EC4121176B85F6AD934C3FA145660420BF8212E2A71E78C4FDAA8DF0B52F444399EDB |
| Reporter |  malwarelabnet |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Original Doc Ref 2853801324189923.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-01 12:10:10 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
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated 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.
Verdict:
Suspicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-01 07:16:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
27 of 44 (61.36%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 11'987 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:i638 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.thesocialmediacreator.com/i638/
Unpacked files
SH256 hash:
b19104b568ca3ddccc2a8d3d10ecddb1ea240171e798dc3a486292cfa14b6365
MD5 hash:
7b0900da932f4ed9630d65b04422736d
SHA1 hash:
6fa340436e3a8e73ae2b3e911f861483183c68ef
SH256 hash:
a3bf85b3aa71e98df4dbd1b18c65ca11a94aad7f7750923f118f4b37ec48ae95
MD5 hash:
93459f56907f31762d86a1a1e4f0ce0b
SHA1 hash:
0df48e1a744cfd72b7060b3f43cb8af757e5c53f
SH256 hash:
4a21e6152ab64dd707804187d01388a34938f9982779ded1446e9881bb834c53
MD5 hash:
4bea302f19df7b5546dc279c9bd9bec2
SHA1 hash:
bc2d084d241babb070b1185e81110c98e9f180aa
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
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_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | pe_imphash |
|---|
| 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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