MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1c1d21612ffebba96e36e91a6329e7da6705d7f72964cd57ffde2459088f841. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: a1c1d21612ffebba96e36e91a6329e7da6705d7f72964cd57ffde2459088f841
SHA3-384 hash: 72d9a99ee3b156bb4a67a27a8783e0fda14608c510f921de10c8a5bfebb8d7e760e7770aa5af155a2d29ebb371b273d0
SHA1 hash: 142f1cca9123da72398518dc18c64186d7f3ad22
MD5 hash: 131f7c28c201c548650f9f3b34881b0f
humanhash: blue-yellow-michigan-mars
File name:PO_Eintech_20210326.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:845'824 bytes
First seen:2021-05-31 11:41:44 UTC
Last seen:2021-05-31 13:18:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Hrhpy6N3ap+BigoWSQ2UcW1eVBgTI9ou8YBengoXdXsaLf/c2wG0jJL3ui:JaZCSQvc/iTI9o9wgVLdwpe
Threatray 5'494 similar samples on MalwareBazaar
TLSH A905E132329D9BE5C33E47F980E0D47303F1B4A7EB12EA3D6E9590D549A2B40DB119B9
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_Eintech_20210326.exe
Verdict:
Malicious activity
Analysis date:
2021-05-31 11:46:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e887c89c-703c-4237-b529-89c36a8e6c72

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/163480/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.789.340.22852.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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/794683
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 427075 Sample: PO_Eintech_20210326.exe Startdate: 31/05/2021 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Yara detected AntiVM3 2->50 52 4 other signatures 2->52 10 PO_Eintech_20210326.exe 7 2->10         started        process3 file4 40 C:\Users\user\AppData\...\CkycBDgdlaT.exe, PE32 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp166F.tmp, XML 10->42 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 10->54 56 Adds a directory exclusion to Windows Defender 10->56 58 Tries to detect virtualization through RDTSC time measurements 10->58 60 Injects a PE file into a foreign processes 10->60 14 PO_Eintech_20210326.exe 10->14         started        17 powershell.exe 25 10->17         started        19 powershell.exe 23 10->19         started        21 2 other processes 10->21 signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 23 explorer.exe 14->23 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        31 conhost.exe 21->31         started        process8 process9 33 msdt.exe 23->33         started        signatures10 44 Tries to detect virtualization through RDTSC time measurements 33->44 36 cmd.exe 33->36         started        process11 process12 38 conhost.exe 36->38         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a1c1d21612ffebba96e36e91a6329e7da6705d7f72964cd57ffde2459088f841/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-31 10:14:08 UTC
AV detection:
3 of 45 (6.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uha5efqs77v3vfxdn2i2mmu6pwthaxl7oklezvl77xreleei7baq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
3a6ec75b656e165939ee0d1f985678cb1799151e33449bba28c6a830ead01e3a
Formbook
48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943
Formbook
5e681acaddd90aaecc4edeb8a2fa514475a9ecec9458038d4d9e880a963b126f
Formbook
6c2f5bf673b3bbc31cf425259cd5a0262094e85a8bed03714c7b39712efc4beb
Formbook
730b276576659ea2bc17aee5e92f2cc5b9aecf9ade5f03816bde0023a783b545
Formbook
8825f533e70aa57be6d942f520dabc1f91a7b39a068c55e91a3177f599fcb7d6
Formbook
9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66
Formbook
c110f212116bda6ac806a97eed8c74a705a7df127ba3cf5579e16e3fe146dfee
Formbook
c288fba4b7716faf5562f4608d8ad0c1755ae059ba3d69569b60cf38a5f6f695
Formbook
+ 5'484 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/210531-vr62rpvjw6/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thesmarterhold.com/te82/
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/a1c1d21612ffebba96e36e91a6329e7da6705d7f72964cd57ffde2459088f841

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/163480/

Comments