MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cadf6d6a91c8c4e8576468e393638eb7ee477490c5a8a7d0fe9e919b6a6d93ec. 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: 15
| SHA256 hash: | cadf6d6a91c8c4e8576468e393638eb7ee477490c5a8a7d0fe9e919b6a6d93ec |
|---|---|
| SHA3-384 hash: | 85fc05bbd4ef682d4cfaa075a7bbf8fa9a384cd74a86f3286d011bac2c38c62d0307ef72ba245d8059cbaa7addd22e0f |
| SHA1 hash: | 88178d1f6e0ad8f120a542f1314f5f4dd907f6ff |
| MD5 hash: | 358bd28cc6d56ab308c4a413b2de32f5 |
| humanhash: | island-kilo-grey-batman |
| File name: | PO# 11381.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 407'040 bytes |
| First seen: | 2021-10-14 18:54:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 6144:mLh21LgMkhBvz8rxIP6evTLZQxikzTa36ol7eM66Pr6XjzReC0qGHqU2:IM97SBQ4v1aWKOeMl6XvwqGB |
| Threatray | 10'499 similar samples on MalwareBazaar |
| TLSH | T10B84F1556319825FC1701E39C85E2B1C33785A22F9C2FB6BBA9BF3C714A23D318515AE |
| File icon (PE): |  |
| dhash icon | 4dd2d212dbc8cc49 (1 x Formbook) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
318
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO# 11381.exe
Verdict:
Malicious activity
Analysis date:
2021-10-14 18:57:42 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
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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:
formbook
Threat name:
ByteCode-MSIL.Trojan.Ursu
Status:
Malicious
First seen:
2021-10-14 18:55:07 UTC
AV detection:
15 of 45 (33.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 10'489 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:fv89 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
Malware Config
C2 Extraction:
http://www.keyplus.digital/fv89/
Unpacked files
SH256 hash:
d278e303242a1900737343fd47f3c0af96d68825807b35c900ee7d4e35bc7218
MD5 hash:
ce1c3422b9afd0aa9adc28ce4a2f63c4
SHA1 hash:
923a11e07f8e46576e4d993e78b1f3aaf18b0e25
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
388ce297b165b65d8559ee6d3303170e052a804ab78937f7c54d1141684e969a
MD5 hash:
1fa0d3936ce127f056c44064422fd78e
SHA1 hash:
bfd5fb8f0766e863c6a7958b4c686300ea7ba358
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
SH256 hash:
cadf6d6a91c8c4e8576468e393638eb7ee477490c5a8a7d0fe9e919b6a6d93ec
MD5 hash:
358bd28cc6d56ab308c4a413b2de32f5
SHA1 hash:
88178d1f6e0ad8f120a542f1314f5f4dd907f6ff
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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.
Malspam
Dropped by
formbook
Delivery method
Distributed via e-mail attachment
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