MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89997eff59d390acca1d0b385aa4714417178afb9011ac5d07e290fac2ca51b9. 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: 13


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89997eff59d390acca1d0b385aa4714417178afb9011ac5d07e290fac2ca51b9
SHA3-384 hash: 2b653bbfd7cb66ea78c78140a662cc42723db2fa20bda6522016764504873f0019a1c9d8faae8f74815d55fd1cec9ef4
SHA1 hash: ea4906ef27cd9672eafc7acffb6376c9842e9d3c
MD5 hash: e8421cdad373cbd60667510c8cb5709d
humanhash: coffee-dakota-alabama-kansas
File name:PO2364#FD21200.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:985'088 bytes
First seen:2021-01-18 08:24:09 UTC
Last seen:Never
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:C6Z15e11JDb2s6mGcfG8snT3D9c7VFGSVqmyQBKl36aEuA6Qt:Cr1T6mGJzD9gfVqUBcjNA66
Threatray 3'524 similar samples on MalwareBazaar
TLSH F0255B38B3A44F09D079ABF84A64C3884FB9ED5D1516CF8DBFC135E69971F92420A623
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: cbdjo.cam
Sending IP: 111.90.159.32
From: Jino <inform@sungdomc.co.kr>
Reply-To: info@sungdomc.co.kr
Subject: RE: NEW PURCHASE ORDER KINDLY MAKE THE INVOICE FOR DEPOSIT ASAP
Attachment: PO2364FD21200.rar (contains "PO2364#FD21200.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO2364#FD21200.exe
Verdict:
Malicious activity
Analysis date:
2021-01-18 08:31:47 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9aa8a73f-25ef-479a-84a5-bffbaff4b845

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/112465/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser 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/583469
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
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
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340771 Sample: PO2364#FD21200.exe Startdate: 18/01/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 10 PO2364#FD21200.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\PO2364#FD21200.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 PO2364#FD21200.exe 10->14         started        17 PO2364#FD21200.exe 10->17         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 32 premium-vitality.com 185.112.159.21, 49731, 80 SERVERGARDEN-ASServergardenKftHU Hungary 19->32 34 www.styrelseforum.com 194.9.94.86, 49746, 80 LOOPIASE Sweden 19->34 36 6 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 netsh.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/89997eff59d390acca1d0b385aa4714417178afb9011ac5d07e290fac2ca51b9/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-18 02:22:51 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rgmx572z2oikzsq5bm4fvjdriqlrpcx3sai2yxih4kipvqwkkg4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1498cb2f9fa31c5126db058a10187fa76040789d257ac2b61f4d4bbbe77a986c
Formbook
178ab8c2af1c8e5a0782d79d4910efc280b6fcd1213d84cf5899d28ba232bfaa
Formbook
5d23faa05258eb51b196fee00263dc5e4556a37301d312563843a7ac8494ee19
Formbook
5da7735fc8be010eaed89e5776cabe530402d4c6d0c6e5c5de515f12e05081f8
Formbook
805a071c8e38fca4e3602881ff33ac7a2afba65bb61cd7adda873950bf2779cb
Formbook
851353adb58e4070df07037da80543a4d67d6eceee20659fe9c5cb5ef4c1a344
Formbook
9728048925e7faf422c4d7bacfaa90fae8bdcc9efad8a0868b456f3d4b213d09
Formbook
9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
Formbook
a1558391914f4235dfdcdddcdf0de915a800541a4271feb4aff34af82b83a935
Formbook
f03367cb1758bddd8877e7aca02223797330fc8482d6ffce6f397730ffefd53f
Formbook
+ 3'514 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/210118-74w1v6yr1n/
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.styrelseforum.com/p95n/
Unpacked files
SH256 hash:
2339f0c6042cb496ad8d0771de5fe11e6ea898566dc49511b245f417a6f9c014
MD5 hash:
c5aa83df2c9f39b0d7687fef50af3e11
SHA1 hash:
14ce7a3376fe506a8b2bf2de4602d2e9967bf8cc
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f00b0362-aaee-457a-b3c8-f677cc707b45/
Parent samples :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 hash:
17a42cc5fd05e9e6e42c798836bedd5021fe06dcb855ebe8c4fdebce17acd3a8
MD5 hash:
315569641e6e4623909dbdfef8c14049
SHA1 hash:
a5b8dab0d247de76de49422c52ed5bad996dd48d
Link:
https://www.unpac.me/results/f00b0362-aaee-457a-b3c8-f677cc707b45/
SH256 hash:
22dc7d6fdf8d1a5cee665f877857acd42fc99b1d4355fd03e5cb559dffb2de72
MD5 hash:
47cff180a3f43d8d2da0cec5d9cd8f0d
SHA1 hash:
95eeeb24954f956a0ee712650f25185ca605cb13
Link:
https://www.unpac.me/results/f00b0362-aaee-457a-b3c8-f677cc707b45/
SH256 hash:
89997eff59d390acca1d0b385aa4714417178afb9011ac5d07e290fac2ca51b9
MD5 hash:
e8421cdad373cbd60667510c8cb5709d
SHA1 hash:
ea4906ef27cd9672eafc7acffb6376c9842e9d3c
Link:
https://www.unpac.me/results/f00b0362-aaee-457a-b3c8-f677cc707b45/
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/89997eff59d390acca1d0b385aa4714417178afb9011ac5d07e290fac2ca51b9

File information

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

Malspam

Formbook

rar 47d17859cafb3504bdcdb1fb1424c610dfb504a2631ac0ddd2473f2ce68936af

Formbook

Executable exe 89997eff59d390acca1d0b385aa4714417178afb9011ac5d07e290fac2ca51b9

(this sample)

  
Dropped by
MD5 1268e38fa120f45c13aa539b064ee241
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112465/
  
Dropped by
SHA256 47d17859cafb3504bdcdb1fb1424c610dfb504a2631ac0ddd2473f2ce68936af

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