MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3aff0b3e7195005380f87feb7753190fa70cd885d10721e2fac690eb41690f2b. 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: | 3aff0b3e7195005380f87feb7753190fa70cd885d10721e2fac690eb41690f2b |
|---|---|
| SHA3-384 hash: | 343bba8420253a7028b3ed2dce81bf2b28df410a69b9917235da7303c39e17cca87e60af5c16d842182b52344365af4f |
| SHA1 hash: | a4fff395b9ff3c8077a4001484dfadb758fc025d |
| MD5 hash: | 1216baf1163100675d8854e5baa4140b |
| humanhash: | five-thirteen-twenty-football |
| File name: | 1216baf1163100675d8854e5baa4140b |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'029'632 bytes |
| First seen: | 2022-03-10 10:29:25 UTC |
| Last seen: | 2022-03-10 13:42:23 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:AWHx+tiqkCcTfbdKUn66Sktx6KslveRm:AWwcMz6Sktx6KsOm |
| Threatray | 11'779 similar samples on MalwareBazaar |
| TLSH | T12E25DFE2BF5C877EDC04323BD0E904701EF55A8A3821BF19AA8D42DD4A57ACF19A741D |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook gzRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
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 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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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
Yara detected gzRat
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-10 10:30:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 27 (74.07%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 11'769 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:m0a8 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
.NET Reactor proctector
Formbook Payload
Formbook
Unpacked files
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
SH256 hash:
694c6756b90b1e4ab142b7dbbfcda1f2e302ff7c0a34165e4d159e144995c2d4
MD5 hash:
97d530e56b34fad0ff6fd572b9ab05df
SHA1 hash:
9b964922706478051b811b43fd7333dd6206d862
SH256 hash:
a802d5fa1aa28f8b5227769814122442cf3306ad8102f9870f95732a61d3ba9c
MD5 hash:
fc061355b80d8c921e34c778fc0ecd41
SHA1 hash:
d18d0644ae9e4f340dfcfc5c0eb96252e1a095c1
SH256 hash:
8eb8f44af58ae986986469b04f5c991c95ad5eda8c96dbbe938fcd7f7e87fdb3
MD5 hash:
89bc7cef19d898eae5f43966393fc1fb
SHA1 hash:
a31292d9f39f9fd58ff0102e3fb8e2692137d6ea
Detections:
win_formbook_g0
win_formbook_auto
Parent samples :
3aff0b3e7195005380f87feb7753190fa70cd885d10721e2fac690eb41690f2b
6bd24ce0a16599d97686146c6a822023f0f4896fcee914eed9a4e45a7e46b864
5d73c1ce4d0c8beea33b6eaef76d82e389d139d8e6caa17c2767c70889697c3b
de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
eabfcd738bc46581870a5671823ed4dda66a507606187b0f2a25a3b0f1fa9720
6bd24ce0a16599d97686146c6a822023f0f4896fcee914eed9a4e45a7e46b864
5d73c1ce4d0c8beea33b6eaef76d82e389d139d8e6caa17c2767c70889697c3b
de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
eabfcd738bc46581870a5671823ed4dda66a507606187b0f2a25a3b0f1fa9720
SH256 hash:
3aff0b3e7195005380f87feb7753190fa70cd885d10721e2fac690eb41690f2b
MD5 hash:
1216baf1163100675d8854e5baa4140b
SHA1 hash:
a4fff395b9ff3c8077a4001484dfadb758fc025d
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
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.
Web download
Delivery method
Distributed via web download
Comments
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