MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c31cfb4fc17ad48af21bc13020fd46ba29e9761aba5a256965eeab9366b689c1. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: c31cfb4fc17ad48af21bc13020fd46ba29e9761aba5a256965eeab9366b689c1
SHA3-384 hash: bb8094542fb60a14891dd185b40aa7b35143ab1207bef61a0a302976db3a06f1a68ec966e036d404f721d93709ff7641
SHA1 hash: 197d3213be707f15f6ed8b4da7a3363d92581239
MD5 hash: 89bf8d65379c8c5f0dfeec6e4292ab0c
humanhash: missouri-echo-ack-comet
File name:PO#3122102036.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:638'464 bytes
First seen:2021-07-08 21:17:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a3768a75eba55604b789706b6a238d1c (2 x Formbook, 1 x RemcosRAT)
ssdeep 12288:QLyh5Wt60Cibp9t/iOWccO3hTWjSiuPBR5lpbTYw:QLmH0N9WlUTGSBR
Threatray 6'244 similar samples on MalwareBazaar
TLSH T139D48D5AF1D84437C2A25939AC2B8AA0542FBF503E346DC65AF87C8C4F3B753742D296
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#3122102036.exe
Verdict:
Malicious activity
Analysis date:
2021-07-08 21:17:55 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/676a36e1-b319-420c-b78c-6e62c6621fce

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/170564/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Trojan.Siggen14.29138.32660.25207.UNOFFICIAL
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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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/53213744-9709-4a5d-9d0d-1ead052700fd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/813775
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 446186 Sample: PO#3122102036.exe Startdate: 08/07/2021 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 5 other signatures 2->38 8 PO#3122102036.exe 17 2->8         started        process3 dnsIp4 22 cdn.discordapp.com 162.159.135.233, 443, 49751, 49752 CLOUDFLARENETUS United States 8->22 48 Writes to foreign memory regions 8->48 50 Allocates memory in foreign processes 8->50 52 Creates a thread in another existing process (thread injection) 8->52 54 Injects a PE file into a foreign processes 8->54 12 ieinstal.exe 8->12         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 12->56 58 Maps a DLL or memory area into another process 12->58 60 Sample uses process hollowing technique 12->60 62 Queues an APC in another process (thread injection) 12->62 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.usamlb.com 216.250.121.85, 49778, 80 ONEANDONE-ASBrauerstrasse48DE United States 15->24 26 ppslide.com 77.245.159.80, 49776, 80 NIOBEBILISIMHIZMETLERITR Turkey 15->26 28 10 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 chkdsk.exe 1 15->19         started        signatures10 process11 signatures12 40 Creates an undocumented autostart registry key 19->40 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c31cfb4fc17ad48af21bc13020fd46ba29e9761aba5a256965eeab9366b689c1/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2021-07-08 12:31:24 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ymopwt6bplkiv4q3yeycb7kgxiu6s5q2xjnck2lf52vzgzvwrhaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1b1837b1504714c306a023b8488d15e81b939b6394ff511fb619fa38f264622a
Formbook
29579f8372f95ea79bff6b28fd59625b3acb14797216742d93a110b3fa950d40
Formbook
3638ac885ef63f3b5bfadd95b0f43c34c3854e2483adde873b3d5fca7a831632
Formbook
40628d32ef0746f397d0d41b839530eae24d249dd2f414450a8d9dda03741d10
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67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
Formbook
75eef833ff0c8434f8b093e781b54b3d33c0555613ffe75e05fa6c5bec70a77d
Formbook
87ad57ffa31e9b3481663bd81249ec1e563dc2931bb4bb2045b06ea7917f1593
Formbook
dd4114ea355d3f70e7683fb8491e2499347b6133bd9ef6d094a0cb6ad8aa4609
Formbook
f96442a26d160132827a3b109acadaf4aad9dab625939103677cc93783c93ea6
Formbook
fd0cf58b93453778c312805f74673284da2548389ee866c37cc91431f0ba9cb1
Formbook
+ 6'234 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:xloader loader persistence rat trojan
Link:
https://tria.ge/reports/210708-gx763qep2j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Adds policy Run key to start application
Xloader Payload
ModiLoader, DBatLoader
Xloader
Malware Config
C2 Extraction:
http://www.yummylipz.net/b8eu/
Unpacked files
SH256 hash:
1fd7371f99d6d6c22279f208d56c7030cc4a7807c44eca52aceb56d7f67ce794
MD5 hash:
135e22fb2a688966b3e75e16441f9d18
SHA1 hash:
5364d1af468956d5b0341c5f43aaf674679f7a32
Link:
https://www.unpac.me/results/75612769-7671-4ee7-9f6e-94cec0e8f6dd/
SH256 hash:
c31cfb4fc17ad48af21bc13020fd46ba29e9761aba5a256965eeab9366b689c1
MD5 hash:
89bf8d65379c8c5f0dfeec6e4292ab0c
SHA1 hash:
197d3213be707f15f6ed8b4da7a3363d92581239
Link:
https://www.unpac.me/results/75612769-7671-4ee7-9f6e-94cec0e8f6dd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c31cfb4fc17ad48af21bc13020fd46ba29e9761aba5a256965eeab9366b689c1

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/170564/

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