MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 619ab2c40c40c107e921df3ccd7f44946ab5a353939da1f3834213f3a507a4c0. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 619ab2c40c40c107e921df3ccd7f44946ab5a353939da1f3834213f3a507a4c0
SHA3-384 hash: 21bccc69a6c474c1a342328bf912fb616d5cb258a4bbf6f8250171d0ff6fa77d64e5bd1c4ebd40226861bf5e5da2f6fa
SHA1 hash: b3964c733cff09ac94c9b4bc9c1f3d8c985a07f2
MD5 hash: 1562a3db939188c19ab5696f83c6e036
humanhash: april-floor-kitten-uniform
File name:61vPFITGkbgCrMT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:506'368 bytes
First seen:2021-02-06 08:26:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:M1Uq03gcZI9plKGV05SJlpC//RRoRMQTB1:u0wcZI3lKruiXRmRMy1
Threatray 3'742 similar samples on MalwareBazaar
TLSH 68B4E03A325C9FA2E1BE637D2024291067F6E852F322EA59BDB841994371F814773F53
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: spfilter-4.mschosting.com
Sending IP: 110.4.43.244
From: gpstore@kowhock.my
Subject: COPIES
Attachment: 61vPFITGkbgCrMTpdf.z (contains "61vPFITGkbgCrMT.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
61vPFITGkbgCrMT.exe
Verdict:
Malicious activity
Analysis date:
2021-02-06 08:29:30 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b2172504-a46e-4f45-b18a-d8cc3bd3c338

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/115920/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.25148.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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/601052
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 349545 Sample: 61vPFITGkbgCrMT.exe Startdate: 06/02/2021 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 7 other signatures 2->48 10 61vPFITGkbgCrMT.exe 3 2->10         started        process3 file4 34 C:\Users\user\...\61vPFITGkbgCrMT.exe.log, ASCII 10->34 dropped 58 Tries to detect virtualization through RDTSC time measurements 10->58 60 Injects a PE file into a foreign processes 10->60 14 61vPFITGkbgCrMT.exe 10->14         started        17 61vPFITGkbgCrMT.exe 10->17         started        19 61vPFITGkbgCrMT.exe 10->19         started        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 21 explorer.exe 14->21 injected process8 dnsIp9 36 katieberiont.com 192.185.35.70, 49747, 49766, 80 UNIFIEDLAYER-AS-1US United States 21->36 38 www.mummyisme.com 74.220.199.9, 49761, 80 UNIFIEDLAYER-AS-1US United States 21->38 40 20 other IPs or domains 21->40 50 System process connects to network (likely due to code injection or exploit) 21->50 25 ipconfig.exe 21->25         started        28 autochk.exe 21->28         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 25->52 54 Maps a DLL or memory area into another process 25->54 56 Tries to detect virtualization through RDTSC time measurements 25->56 30 cmd.exe 1 25->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/619ab2c40c40c107e921df3ccd7f44946ab5a353939da1f3834213f3a507a4c0/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-02-06 08:27:10 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mgnlframidaqp2jb346m272esrvlli2tsoo2d44diij7hjihutaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
6ceed0880cf4e6861ae894331beef85274f7f6a3f8dbc19d4a5f4e41b239439e
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ba32ea25e0244b93232b89ed81d366b43455e370378777c8d43a094ac529282e
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e4e84d03d4cb709d737f9ee3e69b40d797e452d83faa35f0a06bb78a87ad0984
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e7091e7da366f0b1d4acbc1295841c6f7d1ab9412a9fe3fd9341c9d94274c457
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f1422701954b6c0116802819526ba75f414beda5419f80445d321885d8732473
Formbook
f64ecad45aae27f037e819a6adfaeebbdf0f769690a46a89a29d4f0da22b6cd4
Formbook
+ 3'732 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/210206-d2vtjthkna/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.allismd.com/ur06/
Unpacked files
SH256 hash:
2b2bcf851c2b87033fd24c890c2a1de3642564f7cec7282982d96b8280baa849
MD5 hash:
befb0470c71d676cc891cba16088975d
SHA1 hash:
5b7143f97d1d656fd1cacf70949048c1951b639a
Link:
https://www.unpac.me/results/5e199bfe-0cf7-4d10-b107-102622ca0bec/
SH256 hash:
619ab2c40c40c107e921df3ccd7f44946ab5a353939da1f3834213f3a507a4c0
MD5 hash:
1562a3db939188c19ab5696f83c6e036
SHA1 hash:
b3964c733cff09ac94c9b4bc9c1f3d8c985a07f2
Link:
https://www.unpac.me/results/5e199bfe-0cf7-4d10-b107-102622ca0bec/
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/619ab2c40c40c107e921df3ccd7f44946ab5a353939da1f3834213f3a507a4c0

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

Malspam

Formbook

zip a6a3868c066bf6d3e03e7c13e9f7053523cdd2f2aaba44737a387762b7ca805f

Formbook

Executable exe 619ab2c40c40c107e921df3ccd7f44946ab5a353939da1f3834213f3a507a4c0

(this sample)

  
Dropped by
MD5 ff6b0149a50d104918fa4c4770c3450a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/115920/
  
Dropped by
SHA256 a6a3868c066bf6d3e03e7c13e9f7053523cdd2f2aaba44737a387762b7ca805f

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