MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7aa65f77c48841f9f1545c2e5bb7cb186cd259631c4c449400206f1bb3d16d5e. 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: 7aa65f77c48841f9f1545c2e5bb7cb186cd259631c4c449400206f1bb3d16d5e
SHA3-384 hash: 5bc495a42b2cce8fe08bd93af7d445032bf008278c6a58fc438cd3eb71b907b807388527a0a0c8c0f73d992f4bc5df45
SHA1 hash: 21263c3f531b81d949bf15c486bc3aeb16b9bb00
MD5 hash: c0aa1598d486cceab2fdea9a6c41ac0e
humanhash: ack-uranus-alpha-angel
File name:SCAN_20210115140930669.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:913'920 bytes
First seen:2021-01-15 07:21:14 UTC
Last seen:2021-01-15 09:12:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:5pihExwQEPM+p0sC6Ah27/ZkfDUbo1kjEJ7z:5gpM+Ws1A87xyU8l7
Threatray 3'372 similar samples on MalwareBazaar
TLSH 5C159E429B919B11F3BC63FD2414005267F6C36AF3E8EB6DFC81A0F66A56E1845FD182
Reporter abuse_ch
Tags:exe FormBook geo KOR


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail-smail-vm49.hanmail.net
Sending IP: 203.133.180.237
From: 권성록 <kss0422000@hanmail.net>
Subject: 견적문의 드립니다.(권성록 입니다.)
Attachment: SCAN_20210115140930669.cab (contains "SCAN_20210115140930669.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SCAN_20210115140930669.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 07:41:32 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/95e28b68-06b2-4d77-afd4-3e235bde86f0

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/112198/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Fareit.cc.12692.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a UDP request
Creating a window
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/582221
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped 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 dnsIp2 2 Behavior Graph ID: 340148 Sample: SCAN_20210115140930669.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 41 www.newviewroofers.com 2->41 43 newviewroofers.com 2->43 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for dropped file 2->55 57 11 other signatures 2->57 11 SCAN_20210115140930669.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\CuWqoOcxq.exe, PE32 11->33 dropped 35 C:\Users\...\CuWqoOcxq.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmpF8C2.tmp, XML 11->37 dropped 39 C:\Users\...\SCAN_20210115140930669.exe.log, ASCII 11->39 dropped 67 Tries to detect virtualization through RDTSC time measurements 11->67 15 SCAN_20210115140930669.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 moderndetailist.com 50.87.195.134, 49766, 80 UNIFIEDLAYER-AS-1US United States 20->45 47 coffeeofmyheart.com 67.222.41.112, 49767, 80 UNIFIEDLAYER-AS-1US United States 20->47 49 6 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 wscript.exe 20->26         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7aa65f77c48841f9f1545c2e5bb7cb186cd259631c4c449400206f1bb3d16d5e/
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 07:21:32 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pktf656erba7t4kulqxfxn6ldbwnewlddrgejfaaebxrxm6rnvpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0
Formbook
788fae56b0ee2bd0adf59261a5eb1e8c61e3bc7352e3f0c5621f770fdacbe9c0
Formbook
7acc028b1fdf2fd2d09fec663aca4d5c440ac4f206cc6c45857cee5c8761c335
Formbook
8994753df988a18e391508dcf4c6ebe31b2c73132fc601ed78ec19ccfb8bf049
Formbook
966021773e6907200fe05aa42c72d0b08cfd0f4ff086596d0be21d7c21cc7b05
Formbook
cce24ef5bce0ff17a08ef75abb9b0b0d61c8c3af663a3f01d552a4288008a027
Formbook
dd715a1b1f733c57f100877432d8e365c0efe519cda845c0e37ebd58886dbea6
Formbook
defe000395c5932a94450bd21a142a954d5113da26ee5127e8cab0980a62b042
Formbook
e10a18344876f44eea40708f80322df6ec17eea4fec0b7de74c97aab23421600
Formbook
e665d8433c9e96b567470eb29b4f2857911001759b66cafb40c1123befdaf458
Formbook
+ 3'362 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/210115-4qtepz7sgx/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
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.midnightblueinc.com/2kf/
Unpacked files
SH256 hash:
f97565ec848cbd571e1e4702f7007a932b65ef1d9709a2f51b196381bbd74733
MD5 hash:
1c39769851bf066784c416a68cb32f2d
SHA1 hash:
7dc878633ddf8763f4ccf356f67a27fae908d227
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ba223738-79e7-4ba4-ac69-61198815fab9/
Parent samples :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 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/ba223738-79e7-4ba4-ac69-61198815fab9/
SH256 hash:
e74179839abed06aad010c0e1e71cec4d0d3d84932dabb610dd85251f99af300
MD5 hash:
cf7a2072a2d08f4510ab3d41d00bdde3
SHA1 hash:
230d9149ebd5f294fe50820db7d8cd4bb4ae41da
Link:
https://www.unpac.me/results/ba223738-79e7-4ba4-ac69-61198815fab9/
SH256 hash:
7aa65f77c48841f9f1545c2e5bb7cb186cd259631c4c449400206f1bb3d16d5e
MD5 hash:
c0aa1598d486cceab2fdea9a6c41ac0e
SHA1 hash:
21263c3f531b81d949bf15c486bc3aeb16b9bb00
Link:
https://www.unpac.me/results/ba223738-79e7-4ba4-ac69-61198815fab9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/7aa65f77c48841f9f1545c2e5bb7cb186cd259631c4c449400206f1bb3d16d5e

File information

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

Malspam

Formbook

cab 8c59803449026a8dd321b650c71baebb89bb34f6a7f46e2db7ff335fe890f765

Formbook

Executable exe 7aa65f77c48841f9f1545c2e5bb7cb186cd259631c4c449400206f1bb3d16d5e

(this sample)

  
Dropped by
MD5 5e47209313ed350888f81a2e4205b78e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112198/
  
Dropped by
SHA256 8c59803449026a8dd321b650c71baebb89bb34f6a7f46e2db7ff335fe890f765

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