MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c0577ec4537880647e232dc1c3b0c722bb1efc0f8f4ea99729ed3607a1dace2. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c0577ec4537880647e232dc1c3b0c722bb1efc0f8f4ea99729ed3607a1dace2
SHA3-384 hash: 2091ab51cfef8cd011d9426ce07dd09bcf14f1a2d3bf8aeb43515ab406a756384e93e3c1c18e161a13f5baf1c7bafc28
SHA1 hash: 7b61fa642d6b167c95e91ad85bb6f984e5ae2d53
MD5 hash: 489a558c25cbb4e89ed813f1c90ee4bd
humanhash: video-batman-skylark-lamp
File name:Additional Agreement 2020-KYC.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:593'920 bytes
First seen:2020-11-07 10:26:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:1PxmDPRdMVecmD416s8WryoIFKOl6vbA/Fa93v7q/g1CEDK6e3pvG2OcGaJ7:3cTFjs16s8WrvBDHRJCEDK6e5vG2OcGw
Threatray 2'867 similar samples on MalwareBazaar
TLSH 8EC4E05DAE80AD32FD1F74FCD4B9966C17334B4A23B1C5C616624EEA533AB800C1BE95
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: gmail.com
Sending IP: 37.49.225.167
From: Accounting <KYC-certifed@gmail.com>
Subject: Authorised on 11-06-2020 KYC
Attachment: Additional Agreement KYC.iso (contains "Additional Agreement 2020-KYC.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.453.24617.21058.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching the default Windows debugger (dwwin.exe)
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/523810
Signature
Antivirus / Scanner detection for submitted 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 311001 Sample: Additional Agreement 2020-KYC.exe Startdate: 07/11/2020 Architecture: WINDOWS Score: 100 31 www.aplustd.com 2->31 33 www.dreammakeloja.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 3 other signatures 2->47 11 Additional Agreement 2020-KYC.exe 1 2->11         started        signatures3 process4 file5 29 C:\...\Additional Agreement 2020-KYC.exe.log, ASCII 11->29 dropped 57 Maps a DLL or memory area into another process 11->57 15 Additional Agreement 2020-KYC.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.hjscinc.com 101.36.113.249, 49711, 80 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK China 18->35 37 www.owner.codes 91.195.240.94, 49708, 49710, 80 SEDO-ASDE Germany 18->37 39 22 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmstp.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c0577ec4537880647e232dc1c3b0c722bb1efc0f8f4ea99729ed3607a1dace2/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2020-11-06 17:33:27 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rqcxp3cfg6eamr7cglobyoymoiv3d36a7d2ovglst3jwa6q5vtra._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
13690a4d7ae3acd542c99ab687383cc2d5b8b20346c2035a8f6381b03efbf7cb
Formbook
3cedd0eac8bec00831ed605f54d9f10fff7c0d7d1d233040ddc78e02d942d928
Formbook
4173f8d221525a3414e606763b5a61b649ec421c145e7a9bc683d3e8ff5d5c96
Formbook
67b7e3da530df1ab1e868f9c0c1a5793f5b4a5b4fa69610e5e1d186a675c0c85
Formbook
6b2748e985037153ceb4efe01c3ddf259ba6d4ea07b6d1b0d6aca2d96ca97da5
Formbook
754b53cd03dcc7c3d854a9628e5d01447fd778aae73f7890b5f7527ad4bd76ea
Formbook
7ac0888e83ebfc1401796d95250dcfae864d1db479bd741bd44847722a03555e
Formbook
cc10bb6e07911b422b71a6f0ada6d7fed969c7c7bea26976b86f7ea70a43fa41
Formbook
ccc3f57b398f8d8c671c152004ec16ad6646480dd2edc32ff2da50b2c2251bb3
Formbook
dc647305de0ae67eff2e86276355bc83aa761b03693459df14d10ae6cd4a3102
Formbook
+ 2'857 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201107-c8aedqbcha/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.csgo-c4ses.com/bw82/
Unpacked files
SH256 hash:
77c70f308456313b1680ea1a1826ab54f4d2d85578ab917961bd0bba09bf6066
MD5 hash:
2ce95385ac4d0a586c77d4a02d3ba3e4
SHA1 hash:
aad7f48fead930ce863b318ccf0c8cb68be503f8
Link:
https://www.unpac.me/results/ac93f459-f79f-46c5-9868-b298e6bdb20d/
SH256 hash:
b8bf31a1653fe5b35f132ab3b5870d2603ba2bf8c2adf5811cb546692b83fa8d
MD5 hash:
4e7e34d795ab07e21b9e7e08dd2cf1f7
SHA1 hash:
a1094d320a51133845623d7b3bf1c7c4bfbecdf2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ac93f459-f79f-46c5-9868-b298e6bdb20d/
Parent samples :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 hash:
8c0577ec4537880647e232dc1c3b0c722bb1efc0f8f4ea99729ed3607a1dace2
MD5 hash:
489a558c25cbb4e89ed813f1c90ee4bd
SHA1 hash:
7b61fa642d6b167c95e91ad85bb6f984e5ae2d53
Link:
https://www.unpac.me/results/ac93f459-f79f-46c5-9868-b298e6bdb20d/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

iso e86a34e7f664d24969100eded235e3a8a5d51ba15f4146290c722b22d20b1fa0

Formbook

Executable exe 8c0577ec4537880647e232dc1c3b0c722bb1efc0f8f4ea99729ed3607a1dace2

(this sample)

  
Dropped by
MD5 7ae6fef6a8295343fe7f4dc4ff1d5c08
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e86a34e7f664d24969100eded235e3a8a5d51ba15f4146290c722b22d20b1fa0

Comments