MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f03367cb1758bddd8877e7aca02223797330fc8482d6ffce6f397730ffefd53f. 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: f03367cb1758bddd8877e7aca02223797330fc8482d6ffce6f397730ffefd53f
SHA3-384 hash: ea6d5fe6edb7c54f88ca4fb3d9f6d179e21123749f2e27284c230315db43cc64386bc8066672d050ff33421b2ea0e58e
SHA1 hash: a41f448c52e01434275c86b928b8b64222e77734
MD5 hash: b7c168ea63b8e1c2fa7eb4059d85283e
humanhash: equal-juliet-hot-venus
File name:PO2364#FD212003.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'060'864 bytes
First seen:2021-01-18 08:19:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:zCJWnK7a4nrb2s6mbdDzhlFIBBD6p+Cwtluu810rpVzSYZowcfASIlgrdm4Vz0Rw:zL4rT6mbXlFID6wCwtluu810rDMbAxM
Threatray 3'454 similar samples on MalwareBazaar
TLSH 76358E2871A45B05E4386BF44A61C7AC477DEE59563BCE0EBCC13CE7BB71B528206623
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: cbdjo.cam
Sending IP: 111.90.159.32
From: Jina Choi <jina@sungdomc.co.kr>
Reply-To: info@sungdomc.co.kr
Subject: RE:PO2364#FD212003 PLZ MAKE THE PI ASAP FOR DEPOSIT.
Attachment: PO2364FD212003.rar (contains "PO2364#FD212003.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO2364#FD212003.exe
Verdict:
Malicious activity
Analysis date:
2021-01-18 08:25:52 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/d3d6f8f7-d2e0-48c5-8d46-8e25b119cb1a

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/112454/
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/583740
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Found malware configuration
Injects a PE file into a foreign processes
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 dnsIp2 2 Behavior Graph ID: 340907 Sample: PO2364#FD212003.exe Startdate: 18/01/2021 Architecture: WINDOWS Score: 100 31 www.styrelseforum.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 11 PO2364#FD212003.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\PO2364#FD212003.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 PO2364#FD212003.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.andrewgreenhomes.com 156.250.198.135, 49738, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 18->33 35 www.psm-gen.com 199.192.24.139, 49730, 80 NAMECHEAP-NETUS United States 18->35 37 3 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 netsh.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f03367cb1758bddd8877e7aca02223797330fc8482d6ffce6f397730ffefd53f/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-18 08:20:09 UTC
AV detection:
7 of 43 (16.28%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6azwpsyxlc653cdx46wkairdpfztb7eeqllp7ttphf3tb77p2u7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1285da1bcd0075a10d2e8f1d3811ceebacef662558186c6550ccc29c53e699b3
Formbook
1498cb2f9fa31c5126db058a10187fa76040789d257ac2b61f4d4bbbe77a986c
Formbook
1eb8543fda2c6d7e0bd287d692f8e63743729278f4f08b66cd00d987a68c4b7a
Formbook
3f1d00cc832bad31567399df69c06c23dbdc989e18178efc599ca6574d190e34
Formbook
851353adb58e4070df07037da80543a4d67d6eceee20659fe9c5cb5ef4c1a344
Formbook
a1558391914f4235dfdcdddcdf0de915a800541a4271feb4aff34af82b83a935
Formbook
a9a6a44f3eca95cc7785debebea767461798f27978628c58a06474005b8855c8
Formbook
c079b62cce0d0718c3b1f26c3f0f359a7df94acf7e75aea710979fe338ea1f4f
Formbook
c59292352ccbebbc63ea3c740a7981594b6e8dbea866e1c1c8f66b0a0aa61eba
Formbook
e2b81fe418dd23ca1db00b67c5f9913061c927132b39c242bb638b8358ffd9fa
Formbook
+ 3'444 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-v7433vs7d6/
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.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/fb1050c9-f20d-4794-9ad9-7840b9d9c590/
Parent samples :
a1558391914f4235dfdcdddcdf0de915a800541a4271feb4aff34af82b83a935
851353adb58e4070df07037da80543a4d67d6eceee20659fe9c5cb5ef4c1a344
1498cb2f9fa31c5126db058a10187fa76040789d257ac2b61f4d4bbbe77a986c
f03367cb1758bddd8877e7aca02223797330fc8482d6ffce6f397730ffefd53f
89997eff59d390acca1d0b385aa4714417178afb9011ac5d07e290fac2ca51b9
178ab8c2af1c8e5a0782d79d4910efc280b6fcd1213d84cf5899d28ba232bfaa
cb2e173430a404a7cf52a54db1ff96b0de6eed1b8953d96b57e2780e45e71db9
2ba03179153cd1efd2098bf6fc7870efb2b3a5a60f2b516c4c3dace977627289
SH256 hash:
22dc7d6fdf8d1a5cee665f877857acd42fc99b1d4355fd03e5cb559dffb2de72
MD5 hash:
47cff180a3f43d8d2da0cec5d9cd8f0d
SHA1 hash:
95eeeb24954f956a0ee712650f25185ca605cb13
Link:
https://www.unpac.me/results/fb1050c9-f20d-4794-9ad9-7840b9d9c590/
SH256 hash:
db8279a24d25a5b7490e6745e4bb661c85f26c5e8a2568f79833730d9a63e42d
MD5 hash:
b6ae653292f2f6b96d4e56a65408d3e9
SHA1 hash:
6e4b28bcf90d0c824feaa463bab61b57b3ec7c1e
Link:
https://www.unpac.me/results/fb1050c9-f20d-4794-9ad9-7840b9d9c590/
SH256 hash:
f03367cb1758bddd8877e7aca02223797330fc8482d6ffce6f397730ffefd53f
MD5 hash:
b7c168ea63b8e1c2fa7eb4059d85283e
SHA1 hash:
a41f448c52e01434275c86b928b8b64222e77734
Link:
https://www.unpac.me/results/fb1050c9-f20d-4794-9ad9-7840b9d9c590/
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/f03367cb1758bddd8877e7aca02223797330fc8482d6ffce6f397730ffefd53f

File information

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

Malspam

Formbook

rar c4adfbf7120a5ec62f0ccf227355a4deb385506b8fd2fbb5fa82ee12710691b2

Formbook

Executable exe f03367cb1758bddd8877e7aca02223797330fc8482d6ffce6f397730ffefd53f

(this sample)

  
Dropped by
MD5 59d301296b8bc06702723c139af299ed
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112454/
  
Dropped by
SHA256 c4adfbf7120a5ec62f0ccf227355a4deb385506b8fd2fbb5fa82ee12710691b2

Comments