MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c73732f1e8d7aff13f1c0ef733d9d4734ad81b12f27b414f0412204eb3373c71. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c73732f1e8d7aff13f1c0ef733d9d4734ad81b12f27b414f0412204eb3373c71
SHA3-384 hash: 312166028463abda853c42545b3eeb1024bf8540f7d384322d6e7fd71fa2dbbbfeccf327a7f71891cf11935cca3ad7b1
SHA1 hash: 33a17b53cb865dc6e8cfaf3e37242ed038bf82ba
MD5 hash: bcc528aa9392adaf0ad84a8c70a5c07d
humanhash: gee-nebraska-burger-pluto
File name:bcc528aa9392adaf0ad84a8c70a5c07d.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'086'976 bytes
First seen:2021-01-21 07:06:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:vNyO06SnCqDq8szCrTUa4m0qyOSjtQ9ntAw32AMxx:rqnDDqfSgY06+tKAw3
Threatray 3'755 similar samples on MalwareBazaar
TLSH 4935015972E10F11C2AA37F92AA2D07513FE6E162313D68D4EC1BDC73A3DBA21306567
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bcc528aa9392adaf0ad84a8c70a5c07d.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-21 07:07:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/512dbac8-6361-4b52-a72c-e9e49c5dc84c

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/113228/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/586975
Signature
Binary contains a suspicious time stamp
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 342509 Sample: CQAOPIhHJZ.exe Startdate: 21/01/2021 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 5 other signatures 2->42 10 CQAOPIhHJZ.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\CQAOPIhHJZ.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 CQAOPIhHJZ.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.kicksends.com 103.42.177.29, 49756, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Hong Kong 17->30 32 www.shishijiazu.com 154.216.110.70, 49739, 49762, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->32 34 18 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 chkdsk.exe 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       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c73732f1e8d7aff13f1c0ef733d9d4734ad81b12f27b414f0412204eb3373c71/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-01-21 07:07:11 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y43tf4pi26x7cpy4b33thwouonfnqgys6j5uctyeciqe5mzxhryq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
373978ea9f4ae282536f4991ffac268b5597b69c399633ca9e2f97b8dbd01c6f
Formbook
3f761fad9b260d06c4b062814b5ea84a196ec7add1c942748f8651e3c0c8d732
Formbook
4c2ffa57352cd1e3b76fdf01f581046245fe70427377823464857ad32189dcba
Formbook
518023c16668547a3d37cd93ca34ae6697364dd838c8538d6de80441f2b6c1bd
Formbook
67a6d88adc9c1a810565231bdc4eb66ca19e8525fcefb6f99035721bcfa1b537
Formbook
a7df5fff3eb06082036dd6634fa7c5022c48ae5438e5cff66bc500906c16597e
Formbook
b95d2327a21e9c59261df7296f490ad524393475c00458e90567be63db226935
Formbook
cf6af1749c38b0af7660d67059470a189f593d6196c76d7739596061f8f0afc9
Formbook
e347dfe07b91ef2835e5de0f8e47df31647be4558adbe842b244a8384f0f59d2
Formbook
e4e84d03d4cb709d737f9ee3e69b40d797e452d83faa35f0a06bb78a87ad0984
Formbook
+ 3'745 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210121-dkplv75pex/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.bodyfuelrtd.com/8rg4/
Unpacked files
SH256 hash:
c01d8c94ad3d8638c836b4cecf7f5528a003b6b59d38167395f16d8af43cd8a3
MD5 hash:
b833fd19e8a9d93e04312b166446f8b0
SHA1 hash:
6984f233385ead2137cf9a48d5c9cdf7b589d5fd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bcdf5dc0-f853-476a-b304-a7bb5f4d7a31/
Parent samples :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 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/bcdf5dc0-f853-476a-b304-a7bb5f4d7a31/
SH256 hash:
fc874dd7ef5afb6d4ef67921967d9f22177f001f139884dcb1a7f5e100ffbf81
MD5 hash:
938a8ef3253d4d2f31856de8e830f498
SHA1 hash:
2f1acb210d8ecbca14c639f9dd435d02a1d4b2b1
Link:
https://www.unpac.me/results/bcdf5dc0-f853-476a-b304-a7bb5f4d7a31/
SH256 hash:
c73732f1e8d7aff13f1c0ef733d9d4734ad81b12f27b414f0412204eb3373c71
MD5 hash:
bcc528aa9392adaf0ad84a8c70a5c07d
SHA1 hash:
33a17b53cb865dc6e8cfaf3e37242ed038bf82ba
Link:
https://www.unpac.me/results/bcdf5dc0-f853-476a-b304-a7bb5f4d7a31/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c73732f1e8d7aff13f1c0ef733d9d4734ad81b12f27b414f0412204eb3373c71

File information

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

Web download

Formbook

Executable exe c73732f1e8d7aff13f1c0ef733d9d4734ad81b12f27b414f0412204eb3373c71

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/113228/
  
URLhaus
https://urlhaus.abuse.ch/url/953276/
  
Delivery method
Distributed via web download

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