MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00b4306bf3aa94183358ece86c01bb245ca2e39ba0a2d56f5b9d8b50c3ba3e91. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 00b4306bf3aa94183358ece86c01bb245ca2e39ba0a2d56f5b9d8b50c3ba3e91
SHA3-384 hash: 61b3c7ae5297937433fab815c7bc4b9f77ea71c73488a3ac51530693072e8d93572a106147816484de219459dd630dfb
SHA1 hash: aba6f9d379b6a75b84e1a03ea7cc89d13c952b55
MD5 hash: 2967ace274e8984c8543c386a8d0f3e2
humanhash: edward-nitrogen-emma-snake
File name:9tyZf93qRdNHfVw.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:952'832 bytes
First seen:2021-01-18 08:25:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:uVnwNZ2PqCVPXxKCpWs6mvq9gIFqZme8iTO2tfGrp7:GvVPXxKCd6mvyBweiTOqG97
Threatray 3'490 similar samples on MalwareBazaar
TLSH 3E15A13D61B44A1DE4386FF359E883888BADEE19162EDE0AFCF136F6D5717018606712
Reporter abuse_ch
Tags:exe FormBook Yahoo


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: sonic315-15.consmr.mail.bf2.yahoo.com
Sending IP: 74.6.134.125
From: Frank Tom <franktom64@yahoo.com>
Subject: : Fwd: Wire Transfer Payment
Attachment: 9NH90853.rar (contains "9tyZf93qRdNHfVw.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9tyZf93qRdNHfVw.exe
Verdict:
Malicious activity
Analysis date:
2021-01-18 08:55:47 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/259c7d71-db30-499c-9fb7-147a3f81656b

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/112469/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP 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
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/583716
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
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)
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340895 Sample: 9tyZf93qRdNHfVw.exe Startdate: 18/01/2021 Architecture: WINDOWS Score: 100 38 www.sz-rhwjkj.com 2->38 40 gz01.bch.baidu-itm.com 2->40 42 2 other IPs or domains 2->42 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 6 other signatures 2->62 11 9tyZf93qRdNHfVw.exe 3 2->11         started        signatures3 process4 file5 36 C:\Users\user\...\9tyZf93qRdNHfVw.exe.log, ASCII 11->36 dropped 74 Tries to detect virtualization through RDTSC time measurements 11->74 15 9tyZf93qRdNHfVw.exe 11->15         started        18 9tyZf93qRdNHfVw.exe 11->18         started        20 9tyZf93qRdNHfVw.exe 11->20         started        signatures6 process7 signatures8 76 Modifies the context of a thread in another process (thread injection) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Sample uses process hollowing technique 15->80 82 Queues an APC in another process (thread injection) 15->82 22 explorer.exe 15->22 injected process9 dnsIp10 44 www.besteprobioticakopen.online 94.23.162.163, 49749, 80 OVHFR France 22->44 46 tinynucleargenerators.com 162.252.80.144, 49732, 49761, 80 HVC-ASUS United States 22->46 48 32 other IPs or domains 22->48 64 System process connects to network (likely due to code injection or exploit) 22->64 26 wscript.exe 12 22->26         started        30 autofmt.exe 22->30         started        signatures11 process12 dnsIp13 50 www.sz-rhwjkj.com 26->50 52 gz01.bch.baidu-itm.com 26->52 54 2 other IPs or domains 26->54 66 System process connects to network (likely due to code injection or exploit) 26->66 68 Modifies the context of a thread in another process (thread injection) 26->68 70 Maps a DLL or memory area into another process 26->70 72 Tries to detect virtualization through RDTSC time measurements 26->72 32 cmd.exe 1 26->32         started        signatures14 process15 process16 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/00b4306bf3aa94183358ece86c01bb245ca2e39ba0a2d56f5b9d8b50c3ba3e91/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-18 08:26:11 UTC
AV detection:
8 of 45 (17.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ac2da27tvkkbqm2y5tugyan3erokfy43ucrnk323twfvbq52h2iq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
148007b32a311769a958c3f87c6c836b14457f17dbe6a9a0188b0f68b3c30b40
Formbook
29c9884d02cba2c6ab0a72af878c9f1c2768d96b912f5847608fc040f5f98083
Formbook
2e7e018ee5838bf8450f343923ba4ce6c1282ed1b727fc4ab5cbe69b6204fca2
Formbook
43240f1dfbde94a0fb438b295e6ddb3ef5aa5ef82f42222312f2eb49b91f9de8
Formbook
518023c16668547a3d37cd93ca34ae6697364dd838c8538d6de80441f2b6c1bd
Formbook
63289870bb6e2bbb13afd47bf630c048e593afacc5c968939855f85ca5022ea4
Formbook
65ca40e44ab6171794b0c81d8b80122604eff3aca4614901fcd30db1a5329cfb
Formbook
a21da47756a5b8a820ac633dcc6902b2ca4b9dd0861741f8f68153e5c436bda5
Formbook
b28f4495e2cda5a5fef0408701a136d820c7cf2e7a45dd101e70b31458e31530
Formbook
c826a0b0506ddc4d93aba9f41ed795a88cca8bdb8c54f4af5d8dbdf9767e9ad3
Formbook
+ 3'480 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/210118-r21e42lxhj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.besteprobioticakopen.online/uszn/
Unpacked files
SH256 hash:
1820c232000eaca2b342006581d1e0743ff2166f57f917b8691901867e7ad3e0
MD5 hash:
cc0ba93bd12ee998cacab013043ff2c6
SHA1 hash:
c5ca7761965d1eedceaab08eb3bc06963292bd87
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/193ddb61-bc4b-4e79-a69b-d028133a864f/
Parent samples :
65ca40e44ab6171794b0c81d8b80122604eff3aca4614901fcd30db1a5329cfb
00b4306bf3aa94183358ece86c01bb245ca2e39ba0a2d56f5b9d8b50c3ba3e91
fe30613b322753635f37763ebfeb63e065629b56e2924e51dc188f24be3f05d6
f1cb70b8963d11aab0392a24161c0851f2d320d62aa101c3f960bcf0d7d94619
17adca833d9ccaf731ac41830d08db7b447ff391ce54052532d4d90fb4594a40
c408e9ac6c785de60c7a65c278c476165c660547645ff34ace23767ee2d16021
01c5ac824171a164473d92187f8031f2bc7103397fe534f56771d8e9589445e0
87b9a54e05cadec6a6ba97a28c1de2b59b47987dcac4781203dc4811b2d33e24
ddaa3b6f19f3e7b9a6e8ebe8188ceea0d1bb0c285a0b2d783c8d0cc7005e37a6
SH256 hash:
9468b23a90fd8c46d34e4b74f0de86e081efaccb0c40b3cff01d0db2ac9b4827
MD5 hash:
1c2f89f6d39b238d8c4afd986f5a100c
SHA1 hash:
dc04e8a5a0011c3b79b552bdb96aa7ea94420c34
Link:
https://www.unpac.me/results/193ddb61-bc4b-4e79-a69b-d028133a864f/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/193ddb61-bc4b-4e79-a69b-d028133a864f/
SH256 hash:
00b4306bf3aa94183358ece86c01bb245ca2e39ba0a2d56f5b9d8b50c3ba3e91
MD5 hash:
2967ace274e8984c8543c386a8d0f3e2
SHA1 hash:
aba6f9d379b6a75b84e1a03ea7cc89d13c952b55
Link:
https://www.unpac.me/results/193ddb61-bc4b-4e79-a69b-d028133a864f/
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/00b4306bf3aa94183358ece86c01bb245ca2e39ba0a2d56f5b9d8b50c3ba3e91

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar af85cccb50e0d1132ec9a3c079adfb1d3acdc29fad58fbfa912adaecc94c9bea

Formbook

Executable exe 00b4306bf3aa94183358ece86c01bb245ca2e39ba0a2d56f5b9d8b50c3ba3e91

(this sample)

  
Dropped by
MD5 2929f40c60de23e98dc0b7b9f481e4f2
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112469/
  
Dropped by
SHA256 af85cccb50e0d1132ec9a3c079adfb1d3acdc29fad58fbfa912adaecc94c9bea

Comments