MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfd843a4218fd91e46bf20068627e94bcc20cf68ec6a84ad4811d39b8c6c7ccd. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfd843a4218fd91e46bf20068627e94bcc20cf68ec6a84ad4811d39b8c6c7ccd
SHA3-384 hash: cf2350fefc855bc6cf2fae4e2e6f2ce21ab816544d69c878f9638dfce3d850f078a5300619544ed417553dcf30b1d4cd
SHA1 hash: eb014e24331bd1df38875d5c722e0db16dc8d5db
MD5 hash: d2f580c133802c6a3d4117117d5c16cc
humanhash: network-tennis-two-equal
File name:d2f580c133802c6a3d4117117d5c16cc
Download: download sample
Signature Formbook
Create hunting rule
File size:604'160 bytes
First seen:2023-07-13 05:03:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:PPwJpDRWJ373SENQZ6DRRu1Lc6jRhjszcNrI5GPcn:Xw03bSWQEDDvGjBi5i
Threatray 3'405 similar samples on MalwareBazaar
TLSH T1B8D41228A1BA0B6BD5AF87F5166026B427B9A7EF7535C3830C03B0D74A5D7868850F37
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d2f580c133802c6a3d4117117d5c16cc
Verdict:
No threats detected
Analysis date:
2023-07-13 05:06:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4309e1b3-d3e1-4e25-ac5d-af81c04829f4

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/417222/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.68136859.27265.3067.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
Link:
https://www.filescan.io/uploads/64af85c358d62e49a2fd45d4/reports/68db4dfb-cb39-49a3-af09-bfa667392f9c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/cfd843a4218fd91e46bf20068627e94bcc20cf68ec6a84ad4811d39b8c6c7ccd
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/230d1a84-c161-4a3b-a20b-5eb51205caf0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1272170
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1272170 Sample: BRq2dpdCAO.exe Startdate: 13/07/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 8 other signatures 2->42 10 BRq2dpdCAO.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\BRq2dpdCAO.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 BRq2dpdCAO.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 1 1 14->17 injected process8 dnsIp9 30 slotjitu88.website 45.64.97.60, 49700, 80 ARGONDATANETWORK-AS-APArgonDataNetworkID Indonesia 17->30 32 www.slotjitu88.website 17->32 34 6 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 chkdsk.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/cfd843a4218fd91e46bf20068627e94bcc20cf68ec6a84ad4811d39b8c6c7ccd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-07-12 10:46:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7mehjbbr7mr4rv7eadimj7jjpgcbt3i5rvijlkichjzxddmptgq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0678008b99744da75d64b17e189a5f8934780a0ddf2384d8c24e4240f796dc34
Formbook
4baa8f661ea6d1777e87005c1a5c2a73aae516037084f6318d3a13528f3a812a
Formbook
5dbb4e38b75fcd447683c5c89948f3fb41373df5f1c0b15b9a907550e77ef272
Formbook
68f739e8cec56189a152729584f046954f13e32426331970eb755538a8008f1c
Formbook
97bd79e26600f552bfb5764aec1606acb63b830b5fefb807d12fe2088854a3cc
Formbook
a993e52917b124010519fcf6adb63124d87c0cc594cea58b1dce686bf85d7cf9
Formbook
b80d975ddd8e28bf201a5dd08cbfa50ef211aa5600f33b4c10e6d72068864f13
Formbook
cc1e18df25ea2f4e3a97b78ceb434ba61318eae9ee868d62bb1b3b8e9dbf2c7c
Formbook
ec07b80aca87a969c2f7c5c5a6ff490cb510c27dc68781e96facfafe9cbfb03a
Formbook
ed2689d4f89e5f40f8ddf93839da8b822d008329530090975edb6d0909bee67f
Formbook
+ 3'395 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:4hc5 rat spyware stealer trojan
Link:
https://tria.ge/reports/230713-fp9atagd3z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
4c73a4b631dd55523e1d0d013e5650d80b12062e5642f8021907199af5376953
MD5 hash:
080cb33bd065324ef8edc668e1992ee2
SHA1 hash:
90439e17c3f0d1f50cafe6d3ff9f2f1ac4c50d88
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/d5c27151-24c5-44d8-913d-6565419910d3/
Parent samples :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 hash:
cb10999e0ae321199509c906b73825e1ee23715f57b0348b6b1a0872bd0d876a
MD5 hash:
96a341b54dddb3e9363ca02a55eaa34f
SHA1 hash:
bee46698764e20e269ebaebc631bb5e57da5c083
Link:
https://www.unpac.me/results/d5c27151-24c5-44d8-913d-6565419910d3/
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/d5c27151-24c5-44d8-913d-6565419910d3/
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
Link:
https://www.unpac.me/results/d5c27151-24c5-44d8-913d-6565419910d3/
SH256 hash:
cfd843a4218fd91e46bf20068627e94bcc20cf68ec6a84ad4811d39b8c6c7ccd
MD5 hash:
d2f580c133802c6a3d4117117d5c16cc
SHA1 hash:
eb014e24331bd1df38875d5c722e0db16dc8d5db
Link:
https://www.unpac.me/results/d5c27151-24c5-44d8-913d-6565419910d3/
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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe cfd843a4218fd91e46bf20068627e94bcc20cf68ec6a84ad4811d39b8c6c7ccd

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2681683/
Cape
Cape
https://www.capesandbox.com/analysis/417222/

Comments


Avatar
zbet commented on 2023-07-13 05:03:47 UTC

url : hxxp://87.121.221.212/isbinzx.exe