MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77e1c24ecfa1d339f61b4b8011690425fa0038b3fe32761f5ce8b3126c28c5ad. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77e1c24ecfa1d339f61b4b8011690425fa0038b3fe32761f5ce8b3126c28c5ad
SHA3-384 hash: ecbf125d4d0b2dce383b239f7dbe230211e712433c9342483754d291557f820969242722f9d1559016b44d54d9e6c47a
SHA1 hash: 075de723df172cc93c537d5472ad8025f192ddc8
MD5 hash: fcc2d1cda8d3989feca9c5f5f900e164
humanhash: north-magazine-steak-echo
File name:HkE0tD0g4NXKJfy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:446'976 bytes
First seen:2021-11-25 13:39:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:wdmXM0WMbeBBYMtWpeUjxU9sQ+WYU1y1wjlvixBFm:wdoM0yGptdU9+WYkvjlvi1
Threatray 11'699 similar samples on MalwareBazaar
TLSH T137940224537C2625CFEE4B7660B45224933EA217F50BDB5E33C2A1AC25D63029762BDF
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HkE0tD0g4NXKJfy.exe
Verdict:
Malicious activity
Analysis date:
2021-11-25 13:52:40 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/7b244e47-9560-427d-ad6f-eab5518e03f5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619f9239f36138de3f3c7219/reports/8ba394d5-d007-4fb4-80e2-b4eac11c3561/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/06d1c715-fd10-452e-a5bc-c1da5928c16e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/896141
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
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: 528615 Sample: HkE0tD0g4NXKJfy.exe Startdate: 25/11/2021 Architecture: WINDOWS Score: 100 32 www.vupeliquid.com 2->32 34 www.nbtianzhou.com 2->34 36 vupeliquid.com 2->36 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 6 other signatures 2->54 11 HkE0tD0g4NXKJfy.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\...\HkE0tD0g4NXKJfy.exe.log, ASCII 11->30 dropped 66 Tries to detect virtualization through RDTSC time measurements 11->66 15 HkE0tD0g4NXKJfy.exe 11->15         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.arsels.info 103.224.212.219, 49794, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->38 40 www.xcgtsret.com 18->40 42 12 other IPs or domains 18->42 56 System process connects to network (likely due to code injection or exploit) 18->56 22 msdt.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.jakital.com 22->44 46 AutoScale-HDRedirect-ALB-1-1859847625.us-east-1.elb.amazonaws.com 22->46 58 Self deletion via cmd delete 22->58 60 Modifies the context of a thread in another process (thread injection) 22->60 62 Maps a DLL or memory area into another process 22->62 64 Tries to detect virtualization through RDTSC time measurements 22->64 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77e1c24ecfa1d339f61b4b8011690425fa0038b3fe32761f5ce8b3126c28c5ad/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-25 11:22:06 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7q4etwpuhjtt5q3joabc2ieex5aaoft7yzhmh245czre3biywwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3b5e31e4b62087dfa7cac1a39c31896d25d465c971fe1db3e9a9271471ce416d
Formbook
4d14c4ae70e6eb6442b90dbc4308d180f43308e38112903c6afd33adf3e04ec7
Formbook
6f3ddb071f889d2c41a27e1237113f333ffee0232997b95896767d354eef7df5
Formbook
7d9a7c06ad6bdf4b58d325900a940f3bf830862d108c8cf58d3d77982b87f8c2
Formbook
afac806262706aea36f8c34cb56ffa94f49da9b39b752cfd077f9b921e972c1d
Formbook
b830b088dcc04db74fc8afbb16dcfff0134c405228be44df5d996a9a5b254bff
Formbook
bc43aaa9d7029e273404da1f1c10f4c5ff6b40360f59e2c201ba52ad5d21d362
Formbook
e5a0ede7fa969afb1b610eb91c97c19a7a3ff52544198d1d1714bf34c7db8a7e
Formbook
+ 11'689 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:sh5d loader rat
Link:
https://tria.ge/reports/211125-qykc6aaff8/
Behaviour
Gathers network information
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
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.platinumcredit.net/sh5d/
Unpacked files
SH256 hash:
1a9c2ffa9e39b35a54c6fc2cf38c4cc57292145a42b64b421661d17d6a3f38fe
MD5 hash:
21bc8d4a532185b86cf4e90bd4637260
SHA1 hash:
fc697416a0faef23ed50b22494cfb38410cc16a8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/98563c0c-fc02-451f-8498-35d7a5499bc3/
Parent samples :
bc43aaa9d7029e273404da1f1c10f4c5ff6b40360f59e2c201ba52ad5d21d362
4d14c4ae70e6eb6442b90dbc4308d180f43308e38112903c6afd33adf3e04ec7
77e1c24ecfa1d339f61b4b8011690425fa0038b3fe32761f5ce8b3126c28c5ad
SH256 hash:
4a0c2223570dfa1a0620ee1566e8cd38cd86c12c3e9faa6742dfcd3599128980
MD5 hash:
16a1281df4157b6828f80f3d75eb6ceb
SHA1 hash:
b971911e2418c31e9649b62754f9927841dd07af
Link:
https://www.unpac.me/results/98563c0c-fc02-451f-8498-35d7a5499bc3/
SH256 hash:
f6639a3b21a09ca5e9e43e10f8ac7f822956232806805252096f03f68bc9815c
MD5 hash:
aa334e922c53c5cba0b43c342ac13b14
SHA1 hash:
68109327b5e98174293bb348dfea6a088cbd5d2f
Link:
https://www.unpac.me/results/98563c0c-fc02-451f-8498-35d7a5499bc3/
SH256 hash:
77e1c24ecfa1d339f61b4b8011690425fa0038b3fe32761f5ce8b3126c28c5ad
MD5 hash:
fcc2d1cda8d3989feca9c5f5f900e164
SHA1 hash:
075de723df172cc93c537d5472ad8025f192ddc8
Link:
https://www.unpac.me/results/98563c0c-fc02-451f-8498-35d7a5499bc3/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/77e1c24ecfa1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/77e1c24ecfa1d339f61b4b8011690425fa0038b3fe32761f5ce8b3126c28c5ad

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
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/209378/

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