MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e939f80d2ea28d6033d761db82bfa2c235f0e2f2ca9552c6c5009c2a286bb483. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
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SHA256 hash: e939f80d2ea28d6033d761db82bfa2c235f0e2f2ca9552c6c5009c2a286bb483
SHA3-384 hash: 197cfc15768aabf76aff6a572fc566fbe39ff5e8e42b2a0158307aad9bf63c122dcdae7cf4ae963d157b11cd99d25f0b
SHA1 hash: 6517b110902b2d66f411ff20e554340be1984b9a
MD5 hash: 42e4a06a9ebf7a59b5b27f232bf8b36c
humanhash: fillet-alaska-california-april
File name:_SwiftPrint.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:675'840 bytes
First seen:2022-01-19 14:17:42 UTC
Last seen:2022-01-19 16:03:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:yWcUY3onuaeIS1lY1WI+XCRgFz+n3Z0Ep5Vo:0UY3kNeH1lY1W4RgF05Vo
Threatray 12'737 similar samples on MalwareBazaar
TLSH T1BDE42742627BCB2DC5031532439A79E18EEEFAC9D1D286093BEC32DA35D97F516052CB
File icon (PE):PE icon
dhash icon 04aca2aaa2a2a280 (2 x Formbook, 1 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/220649/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1164.7343.22584.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed remote.exe replace.exe update.exe
Link:
https://www.filescan.io/uploads/61e81da10f8c757253cca8f2/reports/956e18cd-c4c5-4610-b02a-935c26d91328/overview
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/14942824-1752-4234-97be-ac066d6b6c4a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/923501
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 555979 Sample: _SwiftPrint.exe Startdate: 19/01/2022 Architecture: WINDOWS Score: 100 33 www.bedplot.xyz 2->33 35 bedplot.xyz 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 11 other signatures 2->49 11 _SwiftPrint.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\_SwiftPrint.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 _SwiftPrint.exe 11->15         started        18 _SwiftPrint.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.wofdex.com 20->37 39 www.amazingfactsabouteverything.com 20->39 41 ghs.googlehosted.com 142.250.186.115, 49778, 80 GOOGLEUS United States 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 svchost.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/e939f80d2ea28d6033d761db82bfa2c235f0e2f2ca9552c6c5009c2a286bb483/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-01-19 14:18:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5e47qdjoukgwam6xmhnyfp5cyi27byxszkkvfrwfacocukdlwsbq._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
5c05ff860f7d421506e3e20e83b955a148ec9f4429313881d1c4f1bd22f58e3f
Formbook
9fae8a9fba8705091a5c09a9d05996f0136d276f2178589948a37253ad27f6e7
Formbook
a1c94b041635b2153e990827648e415b94da3b8f473e98798e5deaa599f2eb62
Formbook
ace8d85c2f02bd3d531cd8d609d23c6d35588ecce52f40a8d129b39a6b1d7723
Formbook
c3e318eafb968f401d5165bb17e765613339ce25e4e48e99ea734580fae06d84
Formbook
c4e0e2fd9fc5399619706e67a776832eeb09461874f035a75a7b8e047fb964a0
Formbook
dfa0138818e4f998337af94d5fea30fc920237ffba320fe5acd7af469db0c4a8
Formbook
ec575e5cdf3da323c27e65f3042586173ca50ba0682b733a61f0b47f80c3004e
Formbook
f1f7a42018ffd700c3b6a90efbcf67c5cb7130cbb3eaea0989adfd865ddaf785
Formbook
+ 12'727 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:je16 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220119-rmaj9aaefp/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
3fa6265dabde504bf1de48ce695cbda5aacf5aa3f8c76cd97b39edf1264299dd
MD5 hash:
cc88153925f50d148ccd1f676ad66c00
SHA1 hash:
02104ef4ade2b6b4113ca0aee1030abb1d3c5c38
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/70567216-e198-4440-a5c0-276a2e561351/
Parent samples :
e939f80d2ea28d6033d761db82bfa2c235f0e2f2ca9552c6c5009c2a286bb483
0fcca302c4bcf8f490650685b46d1ea92edcb126aaf959c4b8ad0897511ee7d5
3d4e25f876b2007b8b03a1d79109a52fcb5602644fb4554eb065f97853daa5de
SH256 hash:
fc769daa26d23df7b81fafc7aa7e4168f6de828ad94219c740902ce3ce75d65f
MD5 hash:
4fbe121cc8daa6073ddf8bcfd54d7ca7
SHA1 hash:
75f19c87e91f2af426c8bc3724b1f824c6fa20cb
Link:
https://www.unpac.me/results/70567216-e198-4440-a5c0-276a2e561351/
SH256 hash:
938eb5b10cfdca0c0ccc793cfae7117dbca5bdc325cc0f677c36df5c3ef6824b
MD5 hash:
63821ffb5d985843a56cf6ed2958e078
SHA1 hash:
2a46cc798fddea744890e20709b7e0c636759556
Link:
https://www.unpac.me/results/70567216-e198-4440-a5c0-276a2e561351/
SH256 hash:
e939f80d2ea28d6033d761db82bfa2c235f0e2f2ca9552c6c5009c2a286bb483
MD5 hash:
42e4a06a9ebf7a59b5b27f232bf8b36c
SHA1 hash:
6517b110902b2d66f411ff20e554340be1984b9a
Link:
https://www.unpac.me/results/70567216-e198-4440-a5c0-276a2e561351/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e939f80d2ea2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/e939f80d2ea28d6033d761db82bfa2c235f0e2f2ca9552c6c5009c2a286bb483

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:Formbook
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

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/220649/

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