MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc368951f1df68a92c51f9afe6ad73c717b040fb9af6a278e9201b176362ed70. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dc368951f1df68a92c51f9afe6ad73c717b040fb9af6a278e9201b176362ed70
SHA3-384 hash: 658de8e026313a20577dd6ade61526b785af89e8f31a54048ca87e77a360aea3ffbde19fefdfcf1e275dc23dea6fb7fc
SHA1 hash: dc1c5f809a3e6e9a3358878d455cb235d2245460
MD5 hash: 0e9943c0e2afaf5e9acec16ce184b444
humanhash: texas-steak-oxygen-happy
File name:tlBHrCrteFXy8Jz.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:793'600 bytes
First seen:2022-01-28 12:42:52 UTC
Last seen:2022-01-30 13:57:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:ORyHxmRYjO+Q45IX8LhyTa0oEpQOxRv9mu6hLlGATgBEWbs5gm0q2MKI9vTeiNzD:qY6to9OxRlmu6hpnTeVuf2Mfdun7
Threatray 12'918 similar samples on MalwareBazaar
TLSH T116F44A79DE867900C132B8F0405BF4A402223EA217E78789DA7BFE0575FAA47DD7152E
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
tlBHrCrteFXy8Jz.exe
Verdict:
Malicious activity
Analysis date:
2022-01-28 12:46:23 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/20ddd5f9-523a-4b54-88ea-61a97b22a28f

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/225022/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/61f3e4dcc4bcf3287a646794/reports/dcb93e5f-d5fe-409e-a052-7e160f17bf95/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/538e1e3c-8521-4347-9960-35994f3e82bd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/929640
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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: 562118 Sample: tlBHrCrteFXy8Jz.exe Startdate: 28/01/2022 Architecture: WINDOWS Score: 100 31 www.madeitinhome.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 11 tlBHrCrteFXy8Jz.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\tlBHrCrteFXy8Jz.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 tlBHrCrteFXy8Jz.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.thietkenoithatvanphong.asia 222.255.46.12, 49821, 80 VNPT-AS-VNVNPTCorpVN Viet Nam 18->33 35 desertbirdmercantile.com 162.241.24.116, 49805, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 4 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 explorer.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dc368951f1df68a92c51f9afe6ad73c717b040fb9af6a278e9201b176362ed70/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-28 12:25:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3q3isupr35ukslcr7gx6nllty4l3aqh3tl3ke6hjeanroy3c5vya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
502303edd5a9de57b3667146e84f15fc4957242ca2ef8f75f5e503946c452ee2
Formbook
5d407049f81d3b75bf2d9eb7dc14662f533b1ca37d283e5ef50e001a7ac1f758
Formbook
5f5195f363ef21135a5b5298c2a3576bd03125eec094d769b25296eb0a2605b9
Formbook
71bad0685e5b2447a8dcdc960ee2930ad5ec4910d5d449040fb52cb9754df2a2
Formbook
86df15ac78abc1d224a4249db72d29dcb2979fd0669a15c0d291e47648dc0c1c
Formbook
b08439619eb9a7986938fbb7dfbb6b36999937e531c9b739d45fe5373af5b71a
Formbook
d2aa010515bc8390084659013a1fd1e3e476e36ce46293281deb95c4469663f9
Formbook
+ 12'908 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:b3xd loader rat
Link:
https://tria.ge/reports/220128-pxxfnadbg3/
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
Xloader Payload
Xloader
Unpacked files
SH256 hash:
9b6fed997f5a9184f7be0e867a743bca2566935eb8b18cbafc81ce910c845844
MD5 hash:
abee1e846610f0ddeedec7e31f88d79d
SHA1 hash:
c3a50c7f96ed9f65f9294ae4882452f1081e294b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d1d543ca-7199-4af2-a3cf-259f968d5f47/
Parent samples :
dc368951f1df68a92c51f9afe6ad73c717b040fb9af6a278e9201b176362ed70
9c9391787e2960bdf7769a7cdef7488571a181336110a0d70322d3a870ecf775
SH256 hash:
75439d64302b59b50d001fe2065c10b43da78f8806ab33dff4b3ff2f4d778001
MD5 hash:
940842ad80e6cd634a202d3f8ee664c0
SHA1 hash:
efd78191661958156123cb5f57d6a7993ebe6d84
Link:
https://www.unpac.me/results/d1d543ca-7199-4af2-a3cf-259f968d5f47/
SH256 hash:
5247926388ed51a1178cb1de85bc5df1443c240ace43d7d9386edf8d7fceec02
MD5 hash:
9a6cb543f17cc6f61c016dbc8a331bc2
SHA1 hash:
62210e9d0f4d5b8101886a336feb3e1ae0eaf824
Link:
https://www.unpac.me/results/d1d543ca-7199-4af2-a3cf-259f968d5f47/
SH256 hash:
dc368951f1df68a92c51f9afe6ad73c717b040fb9af6a278e9201b176362ed70
MD5 hash:
0e9943c0e2afaf5e9acec16ce184b444
SHA1 hash:
dc1c5f809a3e6e9a3358878d455cb235d2245460
Link:
https://www.unpac.me/results/d1d543ca-7199-4af2-a3cf-259f968d5f47/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/dc368951f1df/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/dc368951f1df68a92c51f9afe6ad73c717b040fb9af6a278e9201b176362ed70

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
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 dc368951f1df68a92c51f9afe6ad73c717b040fb9af6a278e9201b176362ed70

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/225022/

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