MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5a94739fb1f6d7a06f6b9eb529037c9ab0d59be424d4b99c63651360d7ded3f. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e5a94739fb1f6d7a06f6b9eb529037c9ab0d59be424d4b99c63651360d7ded3f
SHA3-384 hash: b2afa6fe3e90b77573fa0fa183eb9bd25cbdeb3dc5d42bc6fbd1f567bc3acc4ae011c0e1c65d9e5db7c4925a439a07e7
SHA1 hash: d27a9ae7f310d5072334d971856f290892ceb02b
MD5 hash: 4511b37445308d383f3ca14903c69676
humanhash: september-north-nineteen-double
File name:specifications & quote request.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:716'800 bytes
First seen:2020-10-20 08:15:07 UTC
Last seen:2020-10-26 09:32:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:tZe0usk2iNwRL9VcWyN7njiaZGnj/Xaqe83KgffJgTq0acdD0Z9LROZUt:teF1SRVlyBjiaEnj/A83KsfEq04Z9A
Threatray 2'582 similar samples on MalwareBazaar
TLSH 96E4E07033F89F65E03E5779447061419FF1A423DB52E6A9BEDD11AE0F627824A33B22
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: spuredgecorp.com
Sending IP: 192.236.160.195
From: M Hanif Azis (malaysia) <Azis.hanif@petronas.com.my>
Reply-To: M Hanif Azis (malaysia) <purchase2@workmail.com>
Subject: quotes request
Attachment: specifications quote request.zip (contains "specifications & quote request.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/73309/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/497275
Signature
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
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: 300815 Sample: specifications & quote requ... Startdate: 20/10/2020 Architecture: WINDOWS Score: 100 36 www.suyeaimwnd.com 2->36 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 6 other signatures 2->46 11 specifications & quote request.exe 3 2->11         started        signatures3 process4 file5 28 C:\...\specifications & quote request.exe.log, ASCII 11->28 dropped 14 specifications & quote request.exe 11->14         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 icollect-auctions.com 34.102.136.180, 49736, 80 GOOGLEUS United States 17->30 32 www.icollect-auctions.com 17->32 34 2 other IPs or domains 17->34 38 System process connects to network (likely due to code injection or exploit) 17->38 21 mstsc.exe 17->21         started        signatures10 process11 signatures12 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/e5a94739fb1f6d7a06f6b9eb529037c9ab0d59be424d4b99c63651360d7ded3f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-20 05:42:38 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4wuuoop3d5wxubxwxhvvfebxzgvq2wn6ijguxgoggzitmdl55u7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
16de0aa2d02fae6460bb173c9104df4fa758343ab226aea79a3910dce19fa58e
Formbook
347aa505ad319b4d8ee54aabe34dfc2af12b4747af23c6b635821ba9aedd0e32
Formbook
5962532a97c0efd1227d42aeddeacf09c0f8c8787e476e650d71ceed4ed52d97
Formbook
77e828d113038623ccfca7e111b60675fd36ea404545f8ce828d7f8505244f0d
Formbook
7b939c76950b25a4e132860f637b3de9f561022e96481bb5f881b21e57e5898b
Formbook
7f6459ace4d6259e61c8170563af8a30f25568457902f4f717c8ad17574efab6
Formbook
805a071c8e38fca4e3602881ff33ac7a2afba65bb61cd7adda873950bf2779cb
Formbook
82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b
Formbook
9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
Formbook
b7a360cf2a3651e663b82407d8aa940f66b4c7f9569fc445771d8bc17f727bef
Formbook
+ 2'572 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201020-3ql4kfp8s2/
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 SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thehappyhourtimes.com/z0po/
Unpacked files
SH256 hash:
e5a94739fb1f6d7a06f6b9eb529037c9ab0d59be424d4b99c63651360d7ded3f
MD5 hash:
4511b37445308d383f3ca14903c69676
SHA1 hash:
d27a9ae7f310d5072334d971856f290892ceb02b
Link:
https://www.unpac.me/results/5d6f6b48-95f6-4392-8651-665ae06995b8/
SH256 hash:
998c25e05e4ee509a72a8e0bfb07313c5bfc9cd0eb4564eabd9fba9954608bb1
MD5 hash:
5516fbb9094ec1babc900aaed9bd8e38
SHA1 hash:
9da9af35e3124b44142dbac308722824cdd3fdb6
Link:
https://www.unpac.me/results/5d6f6b48-95f6-4392-8651-665ae06995b8/
SH256 hash:
52f6c2dd560878bcbe93dcb87051e6e20a97b291e6bb2d8dc1961df82a5d7f79
MD5 hash:
7ff9974593af784fbae00bd27d63d1a4
SHA1 hash:
b6ba4390e475c9f22a6ab3ddaf034df653e4dadd
Link:
https://www.unpac.me/results/5d6f6b48-95f6-4392-8651-665ae06995b8/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/5d6f6b48-95f6-4392-8651-665ae06995b8/
SH256 hash:
bede79bf25ca010c286de6d88867a6303393b252b4b74ebdea06fd37f488a2ba
MD5 hash:
431312d51feb08bd4e11406adee8ad42
SHA1 hash:
70b08626aa49497d006195e3d74e71776f5724ab
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5d6f6b48-95f6-4392-8651-665ae06995b8/
Parent samples :
e5a94739fb1f6d7a06f6b9eb529037c9ab0d59be424d4b99c63651360d7ded3f
867ec49152a23a8e5ea628a48ec1810db588a716b922e6d1c8e7c45116908d24
a50fdfd2a59cafe23cd41227b465d44b6d00e2b14f707798d60d2637ff78ef25
2fe26662d53b976914fd7bd9fbb589f5bd4114f47753c9437593b29fcd04c236
106bfa0280569ce313c19beb1c68515fb148212a033fdd96ef075d38256f5fb9
c698f5ef823adc2c3079ee359ea6d80e7c8e800d742d8f63c4c6f697131dd763
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e5a94739fb1f6d7a06f6b9eb529037c9ab0d59be424d4b99c63651360d7ded3f

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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

File information

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

Malspam

Formbook

zip 6294cb0418bfac22cf2f307108ec2fc5940532648da2533b67b4946c616f60d6

Formbook

Executable exe e5a94739fb1f6d7a06f6b9eb529037c9ab0d59be424d4b99c63651360d7ded3f

(this sample)

  
Dropped by
MD5 7162923e8030721b064019077a823c22
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/73309/
  
Dropped by
SHA256 6294cb0418bfac22cf2f307108ec2fc5940532648da2533b67b4946c616f60d6

Comments