MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02797e35c2aa328b5eca0005ffed1d035d10e90e88f7e33723e66723b08d7b41. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 02797e35c2aa328b5eca0005ffed1d035d10e90e88f7e33723e66723b08d7b41
SHA3-384 hash: e1306d397c55acf66fdde92ef96754772caaedfb5a212ecf6c1d5918cd35c84bd30f1d6f18c27cf5b95aad4012748f00
SHA1 hash: 2340041dac648999e257317518c8283f7f9c1fcf
MD5 hash: 77faf4da6490f301181a6b212011a67a
humanhash: triple-nitrogen-alabama-massachusetts
File name:Recibo TT de JCORP TRADING PTY LTD.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:815'616 bytes
First seen:2022-05-23 19:45:15 UTC
Last seen:2022-05-23 20:31:36 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 24576:KYoPt9pBt8ajceu+Y06bvt5VMOlmLUCVb+:KYifrtVcz+Yfby4gBV
TLSH T15C051117BF998753E61816B280E7432103A5A5473732E34B3E4421E66F427E3ED89BDE
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 8d17326b6945410b (11 x Formbook, 5 x SnakeKeylogger, 4 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Recibo TT de JCORP TRADING PTY LTD.exe
Verdict:
Malicious activity
Analysis date:
2022-05-23 19:52:55 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/3c8f8d02-73f7-4e65-8aad-df6e81487de1

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/273855/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
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 formbook obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/628be496945ebb7eb1779876/reports/7bc7d1c1-13eb-4529-81c0-1bcf3e5b1218/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7f3734df-6eb8-4f8e-af38-ed98bebb0e9c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1000187
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)
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
Self deletion via cmd delete
Snort IDS alert for network traffic
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 netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 632683 Sample: Recibo TT de JCORP TRADING ... Startdate: 23/05/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 11 other signatures 2->40 10 Recibo TT de JCORP TRADING PTY LTD.exe 3 2->10         started        process3 file4 28 Recibo TT de JCORP...ING PTY LTD.exe.log, ASCII 10->28 dropped 54 Injects a PE file into a foreign processes 10->54 14 Recibo TT de JCORP TRADING PTY LTD.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.laserthermometerhq.com 154.220.60.16, 49829, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->30 32 www.africatell.com 154.93.167.195, 49781, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Uses netstat to query active network connections and open ports 17->44 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/02797e35c2aa328b5eca0005ffed1d035d10e90e88f7e33723e66723b08d7b41/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2022-05-19 22:01:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
27 of 41 (65.85%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aj4x4nocviziwxwkaac773i5anorb2iord36gnzd4ztshmenpnaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m74s rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220523-ygyhfsgfer/
Behaviour
Modifies registry class
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:
09602efe05dc6b9738b23b91708978231d20c08329940541a086561795a6c9fd
MD5 hash:
1521132bd568891debf24b4973aaa24e
SHA1 hash:
393fafe43a177d02d2a8be164101fc2add2748dc
Link:
https://www.unpac.me/results/a6b9acda-b49d-40aa-8aee-77bb86f49f61/
SH256 hash:
b088a79173b2bedd1d7e95e6a4ba37f6dd67f2ef0da2181ce714d1302c051ac4
MD5 hash:
d0dc26e0e865b25b020d9219ef062b55
SHA1 hash:
54c872464bf77288296ba8f011ce1caaed1ab3b9
Link:
https://www.unpac.me/results/a6b9acda-b49d-40aa-8aee-77bb86f49f61/
SH256 hash:
e719f8c2a079cfbb5e0453e4407a035611074b33c4070f957a04bdbeccc488c7
MD5 hash:
81a1edd8d496a2c8dbe3394415b093de
SHA1 hash:
5f57b61fff214da0a592db10887b8e9d09db541b
Link:
https://www.unpac.me/results/a6b9acda-b49d-40aa-8aee-77bb86f49f61/
SH256 hash:
b47b212a8e359a14021cf8d77f72cfe05422edabf553869092c15778c8482f76
MD5 hash:
9dcaffdebc677b3e981953814ee33783
SHA1 hash:
c81a1143d86e12e62745d715f4dbf3990e73fb06
Link:
https://www.unpac.me/results/a6b9acda-b49d-40aa-8aee-77bb86f49f61/
SH256 hash:
eb663bf301caa6c5075804e8de4ac1d4f8700453ed0a13fd9b69f455a7e9845b
MD5 hash:
bedcad6e665e619876ef03559a49dabf
SHA1 hash:
f07757d8ec89acaffe2e96802651d25bbd43d602
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a6b9acda-b49d-40aa-8aee-77bb86f49f61/
Parent samples :
a5ddc9fe4d816e8d97b3b381a6f654ce065dc1716291179822b5513d7b38d8ae
68a837f8646bc09c634d13045d36ee05f43f319e88c2a47295d01c47574accae
786d7fef1f6b313461e01a67b89db558dfd79a558a2669e73ee0483717600bd0
9997ae9723bd215339367807584c52f6e7c99910d5d155f10294b7a8ac55ba1a
1faa82e1dc2bba77a42701af97cd8c39b420e6ea0590d34a12616d9ca1da928f
02797e35c2aa328b5eca0005ffed1d035d10e90e88f7e33723e66723b08d7b41
SH256 hash:
02797e35c2aa328b5eca0005ffed1d035d10e90e88f7e33723e66723b08d7b41
MD5 hash:
77faf4da6490f301181a6b212011a67a
SHA1 hash:
2340041dac648999e257317518c8283f7f9c1fcf
Link:
https://www.unpac.me/results/a6b9acda-b49d-40aa-8aee-77bb86f49f61/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/02797e35c2aa/report/overview.html
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/02797e35c2aa328b5eca0005ffed1d035d10e90e88f7e33723e66723b08d7b41

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 02797e35c2aa328b5eca0005ffed1d035d10e90e88f7e33723e66723b08d7b41

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/273855/

Comments