MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 49418af33201289e66136b482386db29a68e32c689f0b625eed3699b8bb45940. 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: 11
| SHA256 hash: | 49418af33201289e66136b482386db29a68e32c689f0b625eed3699b8bb45940 |
|---|---|
| SHA3-384 hash: | e925be485ae6d0e804061f4ecd2a9a16ca2ce07cd9b066bf99bc56ae87ae16b8772525a1447bf6ee791806ea61dc7028 |
| SHA1 hash: | 342038824bb18ecc6c4a1097d62755bd06ef4969 |
| MD5 hash: | 7b4973aec7a63ca2903b317601acbd10 |
| humanhash: | white-alabama-early-utah |
| File name: | SecuriteInfo.com.Gen.Variant.Jaik.45760.22297.11380 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 231'607 bytes |
| First seen: | 2021-05-06 16:02:00 UTC |
| Last seen: | 2021-05-06 17:03:31 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT) |
| ssdeep | 3072:Lf1BDZ0kVB67Duw9AMc+bElCa77BtQQm2QtN5LFc0tkCuvPcin+ajfGGmctO8lbZ:L9X0Gg/2Dm5tjefCSPBnvOH1b7nFcx |
| Threatray | 5'101 similar samples on MalwareBazaar |
| TLSH | 933412163650D46BCA310AB01E37FB3BEFEBD314126E0D1F9BB09B543A260658A1DBD5 |
| Reporter |  SecuriteInfoCom |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Predator
Status:
Malicious
First seen:
2021-05-06 16:02:22 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 5'091 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.knighttechinca.com/dxe/
Unpacked files
SH256 hash:
f5706588a7904db84355bd99792765e174a216a0479daa9d44a7d49f56c516fa
MD5 hash:
3d9d6e6ac1aa74a9f893d791c7119b68
SHA1 hash:
1040ff294f2e65b5cecf7bb7651011c1a1b65891
SH256 hash:
49418af33201289e66136b482386db29a68e32c689f0b625eed3699b8bb45940
MD5 hash:
7b4973aec7a63ca2903b317601acbd10
SHA1 hash:
342038824bb18ecc6c4a1097d62755bd06ef4969
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Noon
Score:
0.80
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: | crime_win32_ransom_avaddon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Avaddon ransomware |
| Reference: | https://twitter.com/VK_Intel/status/1300944441390370819 |
| Rule name: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| 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: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
| Rule name: | win_formbook_g0 |
|---|---|
| Author: | Slavo Greminger, SWITCH-CERT |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
1) [C0032.001] Data Micro-objective::CRC32::Checksum
2) [C0026.002] Data Micro-objective::XOR::Encode Data
5) [C0045] File System Micro-objective::Copy File
6) [C0046] File System Micro-objective::Create Directory
7) [C0048] File System Micro-objective::Delete Directory
8) [C0047] File System Micro-objective::Delete File
9) [C0049] File System Micro-objective::Get File Attributes
10) [C0051] File System Micro-objective::Read File
11) [C0050] File System Micro-objective::Set File Attributes
12) [C0052] File System Micro-objective::Writes File
13) [E1510] Impact::Clipboard Modification
14) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
15) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
16) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
17) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
18) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
19) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
20) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
21) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
22) [C0017] Process Micro-objective::Create Process
23) [C0038] Process Micro-objective::Create Thread
24) [C0018] Process Micro-objective::Terminate Process