MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a8fd28dd536e0ccae75f5756f4d0754933829b400632ca7bbf3fd614664246f2. 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: 14
| SHA256 hash: | a8fd28dd536e0ccae75f5756f4d0754933829b400632ca7bbf3fd614664246f2 |
|---|---|
| SHA3-384 hash: | 60ed3d70644ef99ba81ce6cab487b72223f9204c4f7a3e8a67841b6d2cdd0e61aae245e5b2e9666475b2cdac9e70daf8 |
| SHA1 hash: | d9c1071ce39d59ae9a782c60a79889553fe1a7b2 |
| MD5 hash: | 83f9e59aa6a98d017e68643948c79345 |
| humanhash: | hawaii-october-violet-spring |
| File name: | PO 211217-031A.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'135'104 bytes |
| First seen: | 2021-12-20 09:14:36 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:jKc2qpm5m3UUUUUUUi1Bdz/z+AuSK3X2D02qluW52ccHOMm3zoeIzQBvSZplQMjv:uVqMszHCDSK3vNfcHOMgIgvY9RJ1 |
| Threatray | 12'369 similar samples on MalwareBazaar |
| TLSH | T13335068525BD3B25FD7953F800AA6C94C7BA7D2A717AC68D8CC330D72973F924850A1B |
| Reporter | Anonymous |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
fareit obfuscated
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
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-17 14:41:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
72
AV detection:
17 of 28 (60.71%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 12'359 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:kz21 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
ce64205f6570df3380f069ec732ba9904ad1ece8c867f6c879700db4a3f8a4f6
MD5 hash:
9e8a1daafec02eba85fdbe28068a0768
SHA1 hash:
997a5f10218102dfe7f1cd5ff907b8c001c8520e
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
SH256 hash:
5f45e440ccb7551af4ed7d343f981ff61f1e2111309eab92dd564b36e721752a
MD5 hash:
c864ce0db8c0b4fc4e920b17e2ddfd09
SHA1 hash:
0b177c8394394ecd07276b09774fc1bbad4a4a0a
SH256 hash:
a8fd28dd536e0ccae75f5756f4d0754933829b400632ca7bbf3fd614664246f2
MD5 hash:
83f9e59aa6a98d017e68643948c79345
SHA1 hash:
d9c1071ce39d59ae9a782c60a79889553fe1a7b2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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_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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