MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e4057c502b44a15299baee076824199bd52a1b0cc89c10d6638cb31dcddaafac. 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: 12
| SHA256 hash: | e4057c502b44a15299baee076824199bd52a1b0cc89c10d6638cb31dcddaafac |
|---|---|
| SHA3-384 hash: | 5d0e1da9032ab799967b0de5e0ebbae22809260f0a3777a78d264a26f501cddd46a25030ad99acc0c40c1b17c00acea6 |
| SHA1 hash: | 5ace1d072913fb40a2fdded3f72da386cefeb112 |
| MD5 hash: | 801affd34ae1974fd0965e7c1128eb96 |
| humanhash: | fruit-alpha-lion-golf |
| File name: | 801affd34ae1974fd0965e7c1128eb96 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'477'120 bytes |
| First seen: | 2021-08-31 19:36:19 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:GxqmdgmzEpuUMgQqFrmMWo5TqRF6gT2fXNvO9:PmdNzGnMWFrm6TqTtT2/ |
| Threatray | 8'906 similar samples on MalwareBazaar |
| TLSH | T1BD65E53C29B92627D07AD775CBE59827F4409CAF3561BD94A4CB73260372A5239C323E |
| dhash icon | e4b8b878fcdcf9f0 (9 x Formbook, 5 x AgentTesla, 4 x Loki) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
801affd34ae1974fd0965e7c1128eb96
Verdict:
Malicious activity
Analysis date:
2021-08-31 19:39:31 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
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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.AgentTesla
Status:
Malicious
First seen:
2021-08-23 09:59:29 UTC
AV detection:
32 of 45 (71.11%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 8'896 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:d6b4 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.kucatuan.com/d6b4/
Unpacked files
SH256 hash:
ede6101b0d2edd89015db6ccf42dc301f640a3aa7088f59a99ef5df95e870d48
MD5 hash:
62dd2f78a39531599652e8271afbb344
SHA1 hash:
f949f6b80d4ec54abd82553ba482994f7ae1ce6e
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
6de5534791e6ed04da7ca8dc28e95c90f6e91e706d725ef4015b8eb6671ade15
MD5 hash:
aec22d1f4c7c6a7ce2aef1a5f52b9cc3
SHA1 hash:
cf22c43aed6847cc4f61be4370d3563e5a49b1c6
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
SH256 hash:
e4057c502b44a15299baee076824199bd52a1b0cc89c10d6638cb31dcddaafac
MD5 hash:
801affd34ae1974fd0965e7c1128eb96
SHA1 hash:
5ace1d072913fb40a2fdded3f72da386cefeb112
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.
Web download
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://192.3.122.133/dube/win101.exe