MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c2ffa57352cd1e3b76fdf01f581046245fe70427377823464857ad32189dcba. 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: 4c2ffa57352cd1e3b76fdf01f581046245fe70427377823464857ad32189dcba
SHA3-384 hash: e1eb29df25b38dc22a69ff0ae66660488aefd114e6f1a38050e70d83f42477c29d4a18b9de5a1836e09545a3dfbb2df5
SHA1 hash: 52de9e2843933e5bbcb162a1083e168d787e1c44
MD5 hash: 3b1d9014124456eb0540384e0525563d
humanhash: uncle-berlin-eight-massachusetts
File name:3b1d9014124456eb0540384e0525563d.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:729'600 bytes
First seen:2021-01-14 19:51:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:BkY4cSXtkb6ooCI84HFc2l+nd6umkPkkF980e3ZT/7cDiV0p2A5G:BkYlSeOonj4Zqdb400/MDR5G
Threatray 3'583 similar samples on MalwareBazaar
TLSH 40F40151EAA85B1CD9BD1BF145781B020F742CA36E72D3D98EDE34DA2337B148368927
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3b1d9014124456eb0540384e0525563d.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-14 20:11:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c12a6500-9da3-4978-a24c-2e205ece44ff

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/112058/
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
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/581761
Signature
.NET source code contains potential unpacker
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)
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 339917 Sample: iPv5du05Bu.exe Startdate: 14/01/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 iPv5du05Bu.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\iPv5du05Bu.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 iPv5du05Bu.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.cckytx.com 156.241.53.120, 49766, 49780, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 17->30 32 www.africanosworld.com 173.239.8.164, 49774, 80 WEBAIR-INTERNETUS United States 17->32 34 21 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 colorcpl.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c2ffa57352cd1e3b76fdf01f581046245fe70427377823464857ad32189dcba/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-14 18:43:33 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqx7uvzvfti6hn3p34a7laiemjc744ccon3yendeqv5ngimj3s5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ce70c12c5b8806fc6b3e507c5ed406599045b20688b456db124b1b685da60d0
Formbook
373978ea9f4ae282536f4991ffac268b5597b69c399633ca9e2f97b8dbd01c6f
Formbook
5cd75052c82b5ff0cc1261075c4fdb060c21062c72525508cbb75e44683f6d0b
Formbook
67a6d88adc9c1a810565231bdc4eb66ca19e8525fcefb6f99035721bcfa1b537
Formbook
6a042012f4233929b8f5fbf73f4b958e39f2fb60d73c1d758753dd07508ef8e1
Formbook
b9e89d7766f894c102cd449dace5e9c1ef8f3cdca070af5f6ce22a7737eb593a
Formbook
c41c3e04f58d643f5d30f52077a53a8c151d835aa44da144b9165a0297314f14
Formbook
e347dfe07b91ef2835e5de0f8e47df31647be4558adbe842b244a8384f0f59d2
Formbook
ee4b567e9ec4039e3494f812a70c14c02865b600a2356e3f5906ac520242839f
Formbook
f1c600a86d9492512f5c80574f885bc0b2c0f058419f58b1c8800eb6e1502713
Formbook
+ 3'573 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210114-yklmr4nxae/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.bodyfuelrtd.com/8rg4/
Unpacked files
SH256 hash:
4c2ffa57352cd1e3b76fdf01f581046245fe70427377823464857ad32189dcba
MD5 hash:
3b1d9014124456eb0540384e0525563d
SHA1 hash:
52de9e2843933e5bbcb162a1083e168d787e1c44
Link:
https://www.unpac.me/results/143f3579-abc2-45c1-914e-08f00ca897ef/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/143f3579-abc2-45c1-914e-08f00ca897ef/
SH256 hash:
aad512df3de927eb09ae2300cb0d3a1d2c91751c790e6cd60b5777a93cb094ec
MD5 hash:
a5a34fab95cc30bf2234945b7ad455c9
SHA1 hash:
9fd23bbaa1aad6039b91bc3d69611077cd5c51af
Link:
https://www.unpac.me/results/143f3579-abc2-45c1-914e-08f00ca897ef/
SH256 hash:
c01d8c94ad3d8638c836b4cecf7f5528a003b6b59d38167395f16d8af43cd8a3
MD5 hash:
b833fd19e8a9d93e04312b166446f8b0
SHA1 hash:
6984f233385ead2137cf9a48d5c9cdf7b589d5fd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/143f3579-abc2-45c1-914e-08f00ca897ef/
Parent samples :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 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/4c2ffa57352cd1e3b76fdf01f581046245fe70427377823464857ad32189dcba

File information

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

Web download

Formbook

Executable exe 4c2ffa57352cd1e3b76fdf01f581046245fe70427377823464857ad32189dcba

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/953276/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/112058/

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