MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e753cee52073435dfb3059d5304630f99d9be0af8a8575f1c6f522cd31cad77. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6e753cee52073435dfb3059d5304630f99d9be0af8a8575f1c6f522cd31cad77
SHA3-384 hash: 124794847da9bf30a284e1c4f4a07d2b60dd5ce39087b7864a3631621d7dc70b56ce7c0a410dd48355cf06f34ead5351
SHA1 hash: 91707443386b13177492fe9dac13feb4cb264992
MD5 hash: 65fcad601260cc93b61a732feccbda8c
humanhash: nitrogen-south-paris-blue
File name:payment copy.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:691'200 bytes
First seen:2021-07-16 10:15:44 UTC
Last seen:2021-07-19 14:53:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:JBJihG0C/bTB5tHzkgVeZROefLiGqhFvBxuzgNslLNLiv7psVcItLPLzJTadXK:JBJihG/F5tAgIP/zzaVBxuz8sltQ7SVF
Threatray 6'547 similar samples on MalwareBazaar
TLSH T1C3E4BFBA338435AFC77FC476BA64BC54FA50A8A377078D0B418301D8991E9439E91DBE
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment copy.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-16 10:19:13 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/20db159d-b6bf-4e2a-870a-bdde158f334d

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/172168/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.5506.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/64d8e187-da3b-470f-9c8c-80c958a2576c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/817406
Signature
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
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 449817 Sample: payment copy.pdf.exe Startdate: 16/07/2021 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 13 other signatures 2->40 10 payment copy.pdf.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\payment copy.pdf.exe.log, ASCII 10->30 dropped 50 Injects a PE file into a foreign processes 10->50 14 payment copy.pdf.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.usahealthreview.com 3.13.31.214, 49770, 80 AMAZON-02US United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 rundll32.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6e753cee52073435dfb3059d5304630f99d9be0af8a8575f1c6f522cd31cad77/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-15 11:13:39 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nz2tz3ssa42dlx5tawovgbddb6m5tpqk7cufoxy4n5jczuy4vv3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0881127ba3ada84a8259b0e923fb8723a89016ae555bb59c44a9b372bba7daab
Formbook
1eb6d2eb88d3ebac022b8335e178275dd4b8883b7e5248a8a8c4a1da9faacddc
Formbook
2450d5f5fa69393262ee4d935acf867ff537ffaaa0a927823b748d5d77dd9fcc
Formbook
3fde800099900011f3f8cdda19331944e52ad1c36e430bbc661cd2433ac12c51
Formbook
4f9d8536fa4475655dd14db7d472399f2b7214ddb16d3483f9a2a673e4fc1543
Formbook
6d84d64d53496e0edfbbafd80efd37be254a071c30dab6aa3708d064bfb1758e
Formbook
932d535ab92b682eff0f74322211abd760021a9003d18b953e7226a6ebc38902
Formbook
c59f3d09668674cc602a759071c5972b8f78b2b829afd3fb8d5e6f9ecd820280
Formbook
dfca1bf3a2bc630e60ee036b0fd5be55b2f2b44e7dc8d2005b86d763bfc7c8ac
Formbook
fb6e849cd3af7e8b0c8143397e62a595a42abbfbbac81f2cdd0b2cb4d18ea543
Formbook
+ 6'537 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/210716-s32zehak2n/
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.activeco.xyz/kb8f/
Unpacked files
SH256 hash:
e02310982eba4831ac320d43a05821a55d214bf98d8f24a7fd7a06bc16fd80b1
MD5 hash:
ced83e9c837c0db1a56a9f598d0d13ed
SHA1 hash:
2ddf098504d771993f5b50b142b071f0e57d103d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2dbfadc8-4b8b-4027-b699-606c3cb6f916/
Parent samples :
3fde800099900011f3f8cdda19331944e52ad1c36e430bbc661cd2433ac12c51
6d84d64d53496e0edfbbafd80efd37be254a071c30dab6aa3708d064bfb1758e
6e753cee52073435dfb3059d5304630f99d9be0af8a8575f1c6f522cd31cad77
SH256 hash:
5f7368f0237c348e32ab18b758a50dcfc99e446084dfb7380929491bf7d13f56
MD5 hash:
df33f60c672a48da26ffdc0acc04a26b
SHA1 hash:
fe78f062d0795af3ed6d12fbc55fcba93c1946cc
Link:
https://www.unpac.me/results/2dbfadc8-4b8b-4027-b699-606c3cb6f916/
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/2dbfadc8-4b8b-4027-b699-606c3cb6f916/
SH256 hash:
6e753cee52073435dfb3059d5304630f99d9be0af8a8575f1c6f522cd31cad77
MD5 hash:
65fcad601260cc93b61a732feccbda8c
SHA1 hash:
91707443386b13177492fe9dac13feb4cb264992
Link:
https://www.unpac.me/results/2dbfadc8-4b8b-4027-b699-606c3cb6f916/
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/6e753cee52073435dfb3059d5304630f99d9be0af8a8575f1c6f522cd31cad77

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
Rule name:pe_imphash
Create hunting rule
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.

Malspam

Formbook

Executable exe 6e753cee52073435dfb3059d5304630f99d9be0af8a8575f1c6f522cd31cad77

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/172168/

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