MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99aae5746d65a99f7d5f1f289d0acebde486e580abfe29976806204b23de6b8d. 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: 99aae5746d65a99f7d5f1f289d0acebde486e580abfe29976806204b23de6b8d
SHA3-384 hash: cd06c18aac0b8d5e4248ea5dc6f5c3109979c5d6dd60ef4248328c10267e983364508d8a5c3e5268054084404fce8a4d
SHA1 hash: 5d322e193ec8629bf0b3c57520fc680742aec55d
MD5 hash: 63834f815ac40c3433920b4be728932f
humanhash: nineteen-washington-vermont-california
File name:quote.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:866'816 bytes
First seen:2021-01-12 07:20:08 UTC
Last seen:2021-01-12 08:54:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:XRmpwUCAHw+Px3LN3KxZl0zoEe+FPbeLd/rw6s:XRhVAQWx79KxM0Ee4KBK
Threatray 3'364 similar samples on MalwareBazaar
TLSH F4056B61CB92A351D7AC13FD2411006227E5CF75E7E8EB68ED9970B26F76A2801FD1C2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail-smail-vm86.hanmail.net
Sending IP: 211.231.106.161
From: 4688 <4688@hanmail.net>
Subject: 발주서 - (UAE남도) _ GE 20012386
Attachment: quote.cab (contains "quote.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
quote.exe
Verdict:
Malicious activity
Analysis date:
2021-01-12 07:33:46 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/2f3a86f7-f4ef-4953-a11b-c2296ad785e1

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/111414/
Detection(s):
SecuriteInfo.com.HEUR.QVM03.0.8D4A.Malware.Gen.8284.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
SUSPICIOUS
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/578778
Signature
Found malware configuration
Machine Learning detection for dropped file
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
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338438 Sample: quote.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 8 other signatures 2->54 10 quote.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\...\dPBBtSpgbH.exe, PE32 10->34 dropped 36 C:\Users\...\dPBBtSpgbH.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmpBC29.tmp, XML 10->38 dropped 40 C:\Users\user\AppData\Local\...\quote.exe.log, ASCII 10->40 dropped 64 Tries to detect virtualization through RDTSC time measurements 10->64 14 quote.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 42 astaxanthinsavedme.com 34.102.136.180, 49758, 80 GOOGLEUS United States 19->42 44 td-balancer-euw2-6-109.wixdns.net 35.246.6.109, 49760, 80 GOOGLEUS United States 19->44 46 8 other IPs or domains 19->46 56 System process connects to network (likely due to code injection or exploit) 19->56 25 rundll32.exe 19->25         started        28 autochk.exe 19->28         started        signatures10 process11 signatures12 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 30 cmd.exe 1 25->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99aae5746d65a99f7d5f1f289d0acebde486e580abfe29976806204b23de6b8d/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 03:52:47 UTC
AV detection:
4 of 46 (8.70%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tgvok5dnmwuz67k7d4uj2cwoxxsinzmavp7ctf3iayqewi66nogq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
0cc23a0f8a6800a2641d311eadeab93c924473b309a9a3de7ed61bc258a049a7
Formbook
0d41517fe048b21edfd59458b0dc8966e53daacdb7e7c5a7bdc7dab5bf233bd1
Formbook
37fa0d1153831bdf8c08560d18a83afc2ccede848883819536eb81497c63229f
Formbook
857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a
Formbook
89bf15eae14f60d6acc308cead31f09459947626b9839bbbddbf76f00821fe3b
Formbook
bebdaba9f180c6a34000e35386d3c7a7d31e280089b797adf6df0ca5a770be8f
Formbook
cb3f791cfcb966c99ec610c1efcaf5ef306df7c54723c1915e9b8032f27f3c5c
Formbook
cd1c9c7a21a84a358c7d8ead2412f4b71aba720537ba1a98143f2a2b6450db9c
Formbook
ded4435057919aa79f8453db4172ffd89198323fa247e70daa418a7a21136df2
Formbook
fa096f5605e4404a60f101e6076c2bb2f5f72d306b60cc404dcb9af3710f5a21
Formbook
+ 3'354 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210112-3jbjty8sqn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.adamjbrowne.com/knb/
Unpacked files
SH256 hash:
99aae5746d65a99f7d5f1f289d0acebde486e580abfe29976806204b23de6b8d
MD5 hash:
63834f815ac40c3433920b4be728932f
SHA1 hash:
5d322e193ec8629bf0b3c57520fc680742aec55d
Link:
https://www.unpac.me/results/440e72e4-53ed-49c2-9a75-eaec72548007/
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/440e72e4-53ed-49c2-9a75-eaec72548007/
SH256 hash:
2d55d6f4b88b4313e30238cc62c51d93dfbcf305d0b60125484e5584b2a62dfd
MD5 hash:
e197e5e2a583924553dac007a64d5fd1
SHA1 hash:
bd0e73ccd0f808607545abc21b85b274ab92681e
Link:
https://www.unpac.me/results/440e72e4-53ed-49c2-9a75-eaec72548007/
SH256 hash:
e36c54384773ca50c45fdad601274ff6c084487c4e5894316e25b6a8c0a3350c
MD5 hash:
81ee3caeeb544096a33c16da69679371
SHA1 hash:
ea706a60f5299116512e2a657cfbb49edc447c70
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/440e72e4-53ed-49c2-9a75-eaec72548007/
Parent samples :
0d41517fe048b21edfd59458b0dc8966e53daacdb7e7c5a7bdc7dab5bf233bd1
99aae5746d65a99f7d5f1f289d0acebde486e580abfe29976806204b23de6b8d
82c118d71fb0433b051b37a040f31f2455ceb3ddd01b7d314cf6b1f4648d454d
898746d8c0bc244b1a1b7ad40e440bc2ea3ad1f058c5782e4d043ff61add8235
57cfa9ebc3f12db279f1303ceffc86e3ba3a12505f787d8453f200306319e145
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Zbot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/99aae5746d65a99f7d5f1f289d0acebde486e580abfe29976806204b23de6b8d

File information

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

Malspam

Formbook

cab 8c4989b440442db60b8b044a6c262bd65f50ae82048b890dbe1d1219441a88f3

Formbook

Executable exe 99aae5746d65a99f7d5f1f289d0acebde486e580abfe29976806204b23de6b8d

(this sample)

  
Dropped by
MD5 f69c2a3cdb2cf40763e1242ce4ab9a14
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8c4989b440442db60b8b044a6c262bd65f50ae82048b890dbe1d1219441a88f3
Cape
Cape
https://www.capesandbox.com/analysis/111414/

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