MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cce115dcfb19503dfbc71566681425094ca56887fc1afe85b9bc9788341312bf. 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 3 File information Comments

SHA256 hash: cce115dcfb19503dfbc71566681425094ca56887fc1afe85b9bc9788341312bf
SHA3-384 hash: c61bd7bb8998a8221226131a842ecb39994e80c083fe605921d3fc1ac0ab9c939d598f6c0fb2f2f44d37535d9218f381
SHA1 hash: 152f01b88a43ae7f0cf486a947bb0b0b23496827
MD5 hash: d814902ba2d06c94c66f52ce53ed1428
humanhash: johnny-carbon-nine-mockingbird
File name:PO_101&102.exe
Download: download sample
Signature Formbook
File size:680'960 bytes
First seen:2021-10-27 22:20:25 UTC
Last seen:2021-10-29 10:16:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:JVMVrsFuujDwb/UH4Z5dH4ien5nh623Rl6rxIeSRobTmWDhLsqJFTP:JKVrsFuuj+UH4Z5qignFD2lwWdQq
Threatray 11'172 similar samples on MalwareBazaar
TLSH T1BEE4AE7252999E09E63F6BB4582012004FF53E536F3DD759DEE400D628A2FD08F2BAD6
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MalwareSampel_152F01B88A43AE7F0CF486A947BB0B0B23496827.zip
Verdict:
Malicious activity
Analysis date:
2021-10-28 04:07:11 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Launching the default Windows debugger (dwwin.exe)
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Gathering data
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 510596 Sample: PO_101&102.exe Startdate: 28/10/2021 Architecture: WINDOWS Score: 100 31 www.99rocket.education 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 PO_101&102.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\PO_101&102.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 PO_101&102.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.champ-beauty-tomigaoka-nail.com 150.95.255.38, 49781, 80 INTERQGMOInternetIncJP Japan 18->33 35 barbershopvalleyvillage.com 52.44.94.227, 49754, 80 AMAZON-AESUS United States 18->35 37 2 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-27 22:21:04 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:snr6 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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.reynbetgirisi.com/snr6/
Unpacked files
SH256 hash:
a24b017645ad75f78552719251c33471c0a92f3cc19578db10b0ede79fb85556
MD5 hash:
ed4b0496fe05020acdf441fbaa04c7ae
SHA1 hash:
84ab04cd144a22b7f8e9e8d1a1c32d412857dc94
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
c2cd0f248103ad45aafd288d23585cdba3f33ecb13b78bdda27e4dca554218e8
MD5 hash:
2c8536f246fb1e16d6ef08ebb93cfa3a
SHA1 hash:
0368b6a7fb95cb3dda0db2817a7e178ae47e47a9
SH256 hash:
cce115dcfb19503dfbc71566681425094ca56887fc1afe85b9bc9788341312bf
MD5 hash:
d814902ba2d06c94c66f52ce53ed1428
SHA1 hash:
152f01b88a43ae7f0cf486a947bb0b0b23496827
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe cce115dcfb19503dfbc71566681425094ca56887fc1afe85b9bc9788341312bf

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments