MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc15e8a9e04355389815d8a7be4c34746c87a2a9d672e426c01b00ad0a583069. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc15e8a9e04355389815d8a7be4c34746c87a2a9d672e426c01b00ad0a583069
SHA3-384 hash: 39c12e6f2094ea60868100a3581b399152377c6bd2d888888d62cc762f082858e73ce1d9d3526c9a25cf79e01fe32d63
SHA1 hash: dfbf313c312520acbc1202593b34d1fbd9af477c
MD5 hash: a7010d8356bb1135a231084f07e99d56
humanhash: green-equal-massachusetts-louisiana
File name:оферта за поръчка.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:910'336 bytes
First seen:2020-10-23 09:28:31 UTC
Last seen:2020-10-23 11:22:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:F6gnajyDEkrJH6/QsGYtPTvt9CbtHAN3fHza4w8xOLcreT:F6gnajyDEkrJHh07F0QTa4wM
Threatray 2'670 similar samples on MalwareBazaar
TLSH 7715D00263E89F04F5BE573C99241000A7F5BD46A727D2ADFDD140DF1EA2B828B55B2B
Reporter abuse_ch
Tags:BGR exe FormBook geo


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: server.freespirittours.net
Sending IP: 216.144.241.158
From: Danke Voraus <epugnant@groupe-rdt.com>
Subject: Re: Re: оферта за поръчка
Attachment: оферта за поръчка.zip (contains "оферта за поръчка.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/75000/
Detection(s):
SecuriteInfo.com.generic.ml.22125.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/507983
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 303112 Sample: #U043e#U0444#U0435#U0440#U0... Startdate: 23/10/2020 Architecture: WINDOWS Score: 100 41 www.hobbyhousekennels.com 2->41 43 hobbyhousekennels.com 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 9 other signatures 2->57 11 #U043e#U0444#U0435#U0440#U0442#U0430 #U0437#U0430 #U043f#U043e#U0440#U044a#U0447#U043a#U0430.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\wQbJaNuiURK.exe, PE32 11->33 dropped 35 C:\Users\...\wQbJaNuiURK.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp75C1.tmp, XML 11->37 dropped 39 #U043e#U0444#U0435...U043a#U0430.exe.log, ASCII 11->39 dropped 67 Writes to foreign memory regions 11->67 69 Allocates memory in foreign processes 11->69 71 Injects a PE file into a foreign processes 11->71 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 2 other signatures 15->79 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 clevengerproperties.com 34.102.136.180, 49725, 80 GOOGLEUS United States 20->45 47 k9cdna.51w4.com 45.142.156.48, 49733, 80 CNSERVERSUS United Kingdom 20->47 49 3 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 cscript.exe 20->26         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc15e8a9e04355389815d8a7be4c34746c87a2a9d672e426c01b00ad0a583069/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2020-10-23 09:16:05 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zqk6rkpainktrgav3ct34tbuorwipivj2zzoijwadmak2csygbuq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2fe26662d53b976914fd7bd9fbb589f5bd4114f47753c9437593b29fcd04c236
Formbook
5169448790953f95b005aedf779cc9cc9443ab52550650cbae197033d5c227e0
Formbook
6bc296fc9ae6bdb27ca23398f69bfb7b44d69734ff0e03a3322fdf688117e2f5
Formbook
911f22d0fdceeec6e8e6426b0111c1632e6b70f21940584aa05345ac470c4c4f
Formbook
c3c62460fce1e7c6964339da00bc229e02872c21de66a35c3aba8592ef7a8872
Formbook
d8e49c2f12a39f106cc3449ec923265bb5cd10d8b67cc58f45719c9ed4b666f1
Formbook
e132699f63854eb3c66be165867f2cafc37d29a8a3a4ca3c4c6949ed42ddde95
Formbook
e1e0a4fba3b1dc2e64ac088f5839fe75832cd9a824fd9f0f5e043821d9d18b0c
Formbook
f535414d7bdcacff5db6ba209be888ebcd7996b1602a3b78a574b72d03cca147
Formbook
fc6c24e17bd06e27dcc1ac019e4080d4a1a2f10459f74c17b9bb19fb8ba6e442
Formbook
+ 2'660 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201023-5gxd3l3j2j/
Behaviour
Creates scheduled task(s)
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 SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.kumcal.com/fs8/
Unpacked files
SH256 hash:
cc15e8a9e04355389815d8a7be4c34746c87a2a9d672e426c01b00ad0a583069
MD5 hash:
a7010d8356bb1135a231084f07e99d56
SHA1 hash:
dfbf313c312520acbc1202593b34d1fbd9af477c
Link:
https://www.unpac.me/results/684e1477-d824-46d4-bbd7-92245b29e345/
SH256 hash:
b856021f3ad7f7406e6c8f413d2602e3f46f1f6a25e9a8221ec0287b14d27738
MD5 hash:
4b4d4d0ef05a427c53b67d333b61c6c9
SHA1 hash:
04e7b99e1ff1645ab08a0906afbab519a295b63c
Link:
https://www.unpac.me/results/684e1477-d824-46d4-bbd7-92245b29e345/
SH256 hash:
77bce8b8b915f4ddbdefd4dc6cca09fdb67daab1f58c903ad6432b02e90be2f2
MD5 hash:
9424f3aea7384e46715ecd8e9aa72649
SHA1 hash:
0cfcdfab38bab0edd3b1274407d64bc80b6e6e5b
Link:
https://www.unpac.me/results/684e1477-d824-46d4-bbd7-92245b29e345/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/684e1477-d824-46d4-bbd7-92245b29e345/
SH256 hash:
cb6b0604e17f8ff0f50bf5ad2014f795ce0d8b0b293c7e11f1a44bb7c94dcdc1
MD5 hash:
c97bcbc8758043b5b5b8ed037505c74b
SHA1 hash:
f54cf01236377bdf1f7f6b371e0604fe80b3db91
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/684e1477-d824-46d4-bbd7-92245b29e345/
Parent samples :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 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

zip de18faef6d6a2db45bb9dc42e1982fcd7c7be99ca851b9427f1b9f38b0cad770

Formbook

Executable exe cc15e8a9e04355389815d8a7be4c34746c87a2a9d672e426c01b00ad0a583069

(this sample)

  
Dropped by
MD5 768065fe0f1e66cbf441222ad7cb5b1b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/75000/
  
Dropped by
SHA256 de18faef6d6a2db45bb9dc42e1982fcd7c7be99ca851b9427f1b9f38b0cad770

Comments