MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4aef07fffeb700f31df41a71994fbd7f2ab51c9b17f0dbf9900826528c30780. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: a4aef07fffeb700f31df41a71994fbd7f2ab51c9b17f0dbf9900826528c30780
SHA3-384 hash: b277bd30e2e8843c6b994f81aa3f3c6ff0a44b78dc297d15c2c13f12bbf45c22c5dc43d853b62071d471eaecd15b5dea
SHA1 hash: b9e86d1be8ff6e1ac0ba2983874628e8ad34780c
MD5 hash: 8474a3ba2622625288a1d0bd383f0b61
humanhash: video-oven-rugby-batman
File name:DEWA PROJECT 12100317.exe
Download: download sample
Signature Formbook
File size:531'456 bytes
First seen:2020-11-05 08:19:31 UTC
Last seen:2020-11-05 09:35:13 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 12288:YTKieDKSqofs+PAO8EDq3ISongnefa1GuwU7yhFly:KeDDqofs+Pj8EDq+ntfdPzo
Threatray 2'739 similar samples on MalwareBazaar
TLSH 23B413ADF35CC532C6AD5DB99DB212502BB16A4A0431E7DD5E4CB1FB270AF8508C60BE
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching the default Windows debugger (dwwin.exe)
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 309629 Sample: DEWA PROJECT 12100317.exe Startdate: 05/11/2020 Architecture: WINDOWS Score: 100 31 www.packorganically.com 2->31 33 packorganically.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 Multi AV Scanner detection for submitted file 2->45 47 3 other signatures 2->47 11 DEWA PROJECT 12100317.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\...\DEWA PROJECT 12100317.exe.log, ASCII 11->29 dropped 57 Maps a DLL or memory area into another process 11->57 15 DEWA PROJECT 12100317.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, 49748, 80 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK China 18->35 37 www.beauskitchen.com 91.195.240.94, 49744, 80 SEDO-ASDE Germany 18->37 39 24 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 NETSTAT.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       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-04 03:14:29 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
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:
9e8642725c7009a5d2592c6cac13f1327bfc419e5c7e89e55a4b184c4013ef36
MD5 hash:
36340c1406865960615afd88acf7cc90
SHA1 hash:
dba387cdb919d8dbb3ad6d88e276aa404dd164dc
SH256 hash:
a4aef07fffeb700f31df41a71994fbd7f2ab51c9b17f0dbf9900826528c30780
MD5 hash:
8474a3ba2622625288a1d0bd383f0b61
SHA1 hash:
b9e86d1be8ff6e1ac0ba2983874628e8ad34780c
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

Executable exe a4aef07fffeb700f31df41a71994fbd7f2ab51c9b17f0dbf9900826528c30780

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments