MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55f06aa36a715afaa715697f490114fdaaa854f1a62d24d8df024fdc95cd1435. 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


Intelligence 12 IOCs YARA 2 File information Comments 1

SHA256 hash: 55f06aa36a715afaa715697f490114fdaaa854f1a62d24d8df024fdc95cd1435
SHA3-384 hash: f38ad8c542c47187dedfb6cee5a2f01037902e75428b5bb0cd937e6dea938086febb00c3b5d132c3ec314d2382904527
SHA1 hash: 67ad501a9592acd639efda3bb68e08398d3fd1de
MD5 hash: 3c8e2a9bf62c852038be35360b5e491e
humanhash: sweet-angel-spaghetti-earth
File name:3c8e2a9bf62c852038be35360b5e491e
Download: download sample
Signature Formbook
File size:1'034'240 bytes
First seen:2021-07-16 08:27:20 UTC
Last seen:2021-07-16 11:40:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:2k7jk0vbxIJM38y/1EOhfNtc2tL4ffCtu5bNpKigOBnEYb:GOGJM/rltRhkbEO
Threatray 8'539 similar samples on MalwareBazaar
TLSH T1CD25F12227D0BB8FC7BE8C7AC5031910A2F0D5273613E3C66CE265DD258D7959B126FA
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kung.xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-16 08:04:30 UTC
Tags:
encrypted exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 449775 Sample: 23BOqgo2Gn Startdate: 16/07/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 4 other signatures 2->42 10 23BOqgo2Gn.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\23BOqgo2Gn.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 23BOqgo2Gn.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.elevatom.com 17->30 32 olimpiyatcarpet.com 89.252.182.52, 49766, 80 RADORETR Turkey 17->32 34 9 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cmmon32.exe 6 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-16 06:31:28 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.eco-memo.com/7bun/
Unpacked files
SH256 hash:
82a4065578bf324c5a382d4e43510bfe37dc2d4accaa25792aecea77c7387714
MD5 hash:
ecff0ff8f308ad9a7ab4e8d8c6632f1f
SHA1 hash:
b2149cd8ad0767e9ee467d85f7f5d97494ecb07a
SH256 hash:
4aeeded1ed1d44eae638bab88072bc80171eba07c526ce914c0be45dcd0a95ac
MD5 hash:
9f5c41927c54ad485c931f73ff3e1708
SHA1 hash:
345e16c7b85462c831b2af338ab48dd554f7283f
SH256 hash:
fca032a5fa0ba45cdbef443b5ca68f48bea763e4530a66dbbd8b7998da5652d1
MD5 hash:
6499e449331bb84b6a31bdca3e6c4282
SHA1 hash:
72095dee54b23b286f402f494a3b297d13eab245
SH256 hash:
55f06aa36a715afaa715697f490114fdaaa854f1a62d24d8df024fdc95cd1435
MD5 hash:
3c8e2a9bf62c852038be35360b5e491e
SHA1 hash:
67ad501a9592acd639efda3bb68e08398d3fd1de
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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

Formbook

Executable exe 55f06aa36a715afaa715697f490114fdaaa854f1a62d24d8df024fdc95cd1435

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-07-16 08:27:22 UTC

url : hxxp://103.140.250.43/user/.wininit.exe