MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe9b63a36e528968686974ee0afe6097d100ff4aa5dfaf4f6ee48a9d3f090bc. 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 3 File information Comments
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SHA256 hash: efe9b63a36e528968686974ee0afe6097d100ff4aa5dfaf4f6ee48a9d3f090bc
SHA3-384 hash: 6261c10013a0a25591f50e3208e20a6334dc3ac1f95fc052c069711ae4f3fec0a0cf694590a673cf7a685200989845fa
SHA1 hash: 4da4d309afd0cb77528970cd193178fc1fb5922f
MD5 hash: 7a1e880343af4d89724271ceeba69787
humanhash: uniform-lima-kansas-winner
File name:7a1e880343af4d89724271ceeba69787.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:663'040 bytes
First seen:2021-11-02 14:45:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:37npEeTl+mcJuYzY82vJYAKaHt/wST3jo+Qw:r/TBMlKJY7ahTZ
Threatray 11'100 similar samples on MalwareBazaar
TLSH T1B4E459812186B725C6190F30B7A1D4194B775DBAADC6D10F39D87DFA73BA289C30326B
File icon (PE):PE icon
dhash icon 30f0e0f0e0f0f030 (22 x Formbook, 12 x AgentTesla, 2 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7a1e880343af4d89724271ceeba69787.exe
Verdict:
Suspicious activity
Analysis date:
2021-11-02 16:35:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/618a123f-72f9-4538-8a54-3fa7e5064228

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/201485/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.47300229.15364.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61814f2dbf51178dbe490f79/reports/2912e151-32da-4ed6-99bf-3a527ce5920f/overview
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:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b5ef69ee-9342-414a-b284-85ab70c8c81f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/881397
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 513829 Sample: I6pm883Zko.exe Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 34 www.odfj.top 2->34 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 5 other signatures 2->44 11 I6pm883Zko.exe 3 2->11         started        signatures3 process4 signatures5 52 Tries to detect virtualization through RDTSC time measurements 11->52 54 Injects a PE file into a foreign processes 11->54 14 I6pm883Zko.exe 11->14         started        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 28 augenclinik.com 81.169.145.157, 49814, 80 STRATOSTRATOAGDE Germany 17->28 30 www.odfj.top 104.233.168.34, 80 PEGTECHINCUS United States 17->30 32 2 other IPs or domains 17->32 36 System process connects to network (likely due to code injection or exploit) 17->36 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/efe9b63a36e528968686974ee0afe6097d100ff4aa5dfaf4f6ee48a9d3f090bc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-02 14:46:06 UTC
AV detection:
15 of 27 (55.56%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
2cf9a6fd4361184dbe79b2067472bdb6ac2907b89e78e213cf0eadd69ed10cd1
Formbook
3c9984e534636c34f7a22ccbbfb1c06baa5a6f16883eb77a65ac615dffa24f16
Formbook
41de1c603509906c3ddcb2550617c980ba3dd192048a52b449e3894d94e1bad5
Formbook
4340e97182604cbe78767ba17c66b1d106d7e28855fc5ef3737142b41656cd9c
Formbook
64964b0f5fc8246845fa84482e015a5dbc465533e016c34eb015d29cfbda626b
Formbook
bec65782844355875f88723419b44dc543ba07b83c8a339036f79e39364493c6
Formbook
d0d08195d6779cadf6750741740960f4956110f505a63c1109427449df51b13e
Formbook
fafcee9b031f24dbd150b43afbb5cac24bbdccfa4125f4f3017bdd8e94926e9e
Formbook
ff50a282945cb9b5a738f97aa08714f874469eaa4ed79fcd0c5fd0c12d6a4be8
Formbook
+ 11'090 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:sywu loader rat
Link:
https://tria.ge/reports/211102-r5ayqshhcm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.interrstellar.xyz/sywu/
Unpacked files
SH256 hash:
4f0e894b65d46dc271480e08a9080f2f22ed6886fa8da40d8a8cb800da770749
MD5 hash:
40fbfa2270673a9669858d6d6df664d6
SHA1 hash:
45eac1ca5cb5ff039e8d269b172461a4bf954e56
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4d6812dd-f826-415e-ba75-53f82df73f22/
Parent samples :
efe9b63a36e528968686974ee0afe6097d100ff4aa5dfaf4f6ee48a9d3f090bc
e1f8c7d02c06ad8a4d9a2e46a9c9d73e8cb95c854ca4c0558ae8c83e11f8c63b
5853fea34c2f36ca0f6d90a85b9b6d3e8d362f0a32d27bf4926b8d4543ad95b7
204dca3bdab875faaa44fc19dadddf3a76eecf3bf27869b70e6c99dfd8c59070
199c7d9d9457f917055330b6128f729d218a69e3dd22a0b2345210f723acd557
SH256 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
Link:
https://www.unpac.me/results/4d6812dd-f826-415e-ba75-53f82df73f22/
SH256 hash:
c324e2a86b5e31e60dee8107adfef467b13da1f63d805e896fc5ddeac4890214
MD5 hash:
0c3d43936d6b21a630925031439a4a06
SHA1 hash:
96c964b8c0dfc5316488fb76c46fa1dbc8be937a
Link:
https://www.unpac.me/results/4d6812dd-f826-415e-ba75-53f82df73f22/
SH256 hash:
efe9b63a36e528968686974ee0afe6097d100ff4aa5dfaf4f6ee48a9d3f090bc
MD5 hash:
7a1e880343af4d89724271ceeba69787
SHA1 hash:
4da4d309afd0cb77528970cd193178fc1fb5922f
Link:
https://www.unpac.me/results/4d6812dd-f826-415e-ba75-53f82df73f22/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/efe9b63a36e5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/efe9b63a36e528968686974ee0afe6097d100ff4aa5dfaf4f6ee48a9d3f090bc

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
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 efe9b63a36e528968686974ee0afe6097d100ff4aa5dfaf4f6ee48a9d3f090bc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1735318/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/201485/

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