MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9a51dc85d2abbf3f21781fc5b5788a1d6ae37b699712b952e5bde286f1d07ca5. 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: | 9a51dc85d2abbf3f21781fc5b5788a1d6ae37b699712b952e5bde286f1d07ca5 |
|---|---|
| SHA3-384 hash: | 34988a193dcd183fc8c8964752157b3e78b0a0e25fd08ae0779c104a056dd3daad86e976fe0dba0a9839d33c42be25c8 |
| SHA1 hash: | 3938b4eeeb5612f79d9d4df8ca82b0cffe976fe7 |
| MD5 hash: | 1af7d81edc5ad00bdadce59d174a58da |
| humanhash: | johnny-tango-william-shade |
| File name: | 1af7d81edc5ad00bdadce59d174a58da |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'074'176 bytes |
| First seen: | 2021-12-15 11:55:35 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:i0w1qHPLsyVVzRYdWbO3bGsGtYg6TNEZ0SJGvJ/o9WvwIWMKi:k1GL2IOrnGtbMuZ0SJw/oDI2 |
| Threatray | 12'219 similar samples on MalwareBazaar |
| TLSH | T17935234239EDE689CB6B1F7B547350502336B91BBE62D76E2ECD104C287AFC68540B27 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1af7d81edc5ad00bdadce59d174a58da
Verdict:
Suspicious activity
Analysis date:
2021-12-15 11:59:37 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
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.
Malware family:
Formbook
Verdict:
Malicious
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-15 11:56:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
20 of 28 (71.43%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
agenttesla
Similar samples:
+ 12'209 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:inug loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.crestonoverheaddoors.com/inug/
Unpacked files
SH256 hash:
18290f0691549e5bc3e5c6879c5813ecce52fd4beba2989c64850fd813ab4a3c
MD5 hash:
edf5a1aae353e5c13cd98211154c824f
SHA1 hash:
6a1b6be8b8d71540107d79cf05c455d2e713daa4
SH256 hash:
a0a6fa07dda7e4170a4962c5f59dad066a6d94f37b1fc862f4b1e1a2cea009b0
MD5 hash:
b48fdddbcaa45ecb59fa57b57de910bd
SHA1 hash:
e45a82878ee40208bd942e391f35e7297a039e04
SH256 hash:
d328347d58137872b082ef6d4bccdf8401b360732e837497412ccb3f3464be9a
MD5 hash:
eaae333aaab69632e8f312d614e545d7
SHA1 hash:
95ca5bdc4f72a8fabca0893b9c00e2b3bb8846ec
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
9a51dc85d2abbf3f21781fc5b5788a1d6ae37b699712b952e5bde286f1d07ca5
MD5 hash:
1af7d81edc5ad00bdadce59d174a58da
SHA1 hash:
3938b4eeeb5612f79d9d4df8ca82b0cffe976fe7
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: | 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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