MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6abf7f59336bf7fcaaf2825e7ae569441c21f9ba09bc53e8a4ff0489e50cdade. 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


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6abf7f59336bf7fcaaf2825e7ae569441c21f9ba09bc53e8a4ff0489e50cdade
SHA3-384 hash: e60d2d35cd6dae26743cbc9719ac823cf3dd458b7cb1f4400470fd5f24152a0f7b02fce7ddb66b68d5d6b3032f6fde59
SHA1 hash: a66e9ab4d0f3ee23178becf43a212ff90d66fa45
MD5 hash: 1bc473dc0ebc40a420e16cedf472df65
humanhash: nuts-early-kentucky-eight
File name:Halkbank,doc 12082021.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'008'128 bytes
First seen:2021-12-08 10:20:11 UTC
Last seen:2021-12-08 15:13:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:66qypRaqs5F4rfPO8LQN/kD46V2AqrF29ffCiKmx:1br3/8i23Rohbx
Threatray 12'148 similar samples on MalwareBazaar
TLSH T1342512B6B6F19C30D27A6231DCAF451587BC78417D22D32F2EB461BDBAA3B3150A205D
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank,doc 12082021.exe
Verdict:
Malicious activity
Analysis date:
2021-12-08 10:27:38 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/7873330a-18fb-44b4-afff-194cd270d585

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/212435/
Detection(s):
SecuriteInfo.com.Spyware.MSIL.Noon.gen.16114.13152.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b0870ffa72c81b5b117ef2/reports/077c4c8e-f7a2-4101-899d-233cba4fcbd1/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/558b517e-7fbf-475f-8c5d-e450d5140dba
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/903756
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6abf7f59336bf7fcaaf2825e7ae569441c21f9ba09bc53e8a4ff0489e50cdade/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-08 10:21:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nk7x6wjtnp37zkxsqjphvzljiqocd6n2bg6fh2fe74citzim3lpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
137b4bbc65e949267f604b8a40ca88aa4c1d8498423590b0e6ff804f4b9a2ecf
Formbook
387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7
Formbook
5f5195f363ef21135a5b5298c2a3576bd03125eec094d769b25296eb0a2605b9
Formbook
6f3ddb071f889d2c41a27e1237113f333ffee0232997b95896767d354eef7df5
Formbook
93360bc4a370d454533b778b6a589fc9ac51ac3e9490546c2959f33d5da659c9
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
dfb938333b6dbb62861831b5641728e8bfa444d4b820df6fb6dbce56f83ab42f
Formbook
fbeb936c8be6806223ee86138ecb3bcf291b2c4b03f3acc2eb895de0701c7393
Formbook
+ 12'138 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:posg loader rat suricata
Link:
https://tria.ge/reports/211208-mdncjahfaq/
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.bennshop.com/posg/
Unpacked files
SH256 hash:
c7825880ef6e619edbd8b5a644b88ea9824bbaff49bca02d6b6c03bd3c81796e
MD5 hash:
2a2bb67ca479c242d17c269ad813c213
SHA1 hash:
508eb9c282df2238bb16868c2b264d71aaa415cc
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0adf1073-21dd-4102-8c39-11d5a7384faa/
Parent samples :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 hash:
96fedd44f795b84bba05154cdd0071159dd711f7f170c0bb2c3637496be1a181
MD5 hash:
af9e11eb76a03f9bd61eab23ae431ce1
SHA1 hash:
c4d8866b59e8a0c653d0e411a6be00c7660bf6ad
Link:
https://www.unpac.me/results/0adf1073-21dd-4102-8c39-11d5a7384faa/
SH256 hash:
9cd82dba6c55d901ac7d7007b7a04a30146ad7c297400d44f9d96b90c5ca25d4
MD5 hash:
d9477c36da677507cd33c6eef325d694
SHA1 hash:
330dc88b5041ca9edf57542f5a30c37eef6f11b1
Link:
https://www.unpac.me/results/0adf1073-21dd-4102-8c39-11d5a7384faa/
SH256 hash:
6abf7f59336bf7fcaaf2825e7ae569441c21f9ba09bc53e8a4ff0489e50cdade
MD5 hash:
1bc473dc0ebc40a420e16cedf472df65
SHA1 hash:
a66e9ab4d0f3ee23178becf43a212ff90d66fa45
Link:
https://www.unpac.me/results/0adf1073-21dd-4102-8c39-11d5a7384faa/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/6abf7f59336bf7fcaaf2825e7ae569441c21f9ba09bc53e8a4ff0489e50cdade

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

Formbook

rar 9985c27f8e6fe55e2c63eac175bede457800eaaef91d7706d4f4c02f3dc67e5a

Formbook

Executable exe 6abf7f59336bf7fcaaf2825e7ae569441c21f9ba09bc53e8a4ff0489e50cdade

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 9985c27f8e6fe55e2c63eac175bede457800eaaef91d7706d4f4c02f3dc67e5a
Cape
Cape
https://www.capesandbox.com/analysis/212435/

Comments