MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54bc8ad70bdd156ce345dc785b4858d2b47a69b74855f76a7016d1aae3b74e13. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54bc8ad70bdd156ce345dc785b4858d2b47a69b74855f76a7016d1aae3b74e13
SHA3-384 hash: 6cefbc484a270c6993c9966f2a8387b0da36733cbe8340e868e2de9c13734f049f61926e28935562bf1038ba2b2896a6
SHA1 hash: 540ef9ba5b441361034bb532013d2c8e5614b02f
MD5 hash: c1ec64696fd5605c0c5ce991dc745e9c
humanhash: bravo-nine-mockingbird-berlin
File name:rKabelimpedansen.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:268'056 bytes
First seen:2023-04-20 13:08:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 6144:pkyacCTf78bzTXytStmOAaE0w8QUwe8AW8R:pkNTTQTXWSkY4e8AP
Threatray 806 similar samples on MalwareBazaar
TLSH T128441210B6F4D0A7D1AA66B44E33DBBD5679DE500618030B3BA0BF6E2935B77C60A348
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e8d4d8cce8686869 (5 x GuLoader, 1 x AgentTesla, 1 x Formbook)
Reporter FXOLabs
Tags:exe FormBook signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-04-10T08:12:13Z
Valid to:2026-04-09T08:12:13Z
Serial number: 72209885129fcca8b6cb42421e7a8d659b022534
Thumbprint Algorithm:SHA256
Thumbprint: 8672aab49621c64073c93d679406b61501a52cbf513682fd66b9e09a536d21d0
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
300
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rKabelimpedansen.exe
Verdict:
Malicious activity
Analysis date:
2023-04-20 13:09:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/10beb91c-6a66-4833-98ed-cb338175aba1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/383773/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.3427.3400.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6441396f2694673273700b0f/reports/8319204e-a2bd-471a-9b5a-3fb5c16e21bd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/54bc8ad70bdd156ce345dc785b4858d2b47a69b74855f76a7016d1aae3b74e13
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a160dcff-10da-4fbd-b842-bf401c237b54
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1218039
Signature
Antivirus detection for URL or domain
Hides threads from debuggers
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 850982 Sample: rKabelimpedansen.exe Startdate: 20/04/2023 Architecture: WINDOWS Score: 100 36 xcellcorp.com 2->36 38 www.xcellcorp.com 2->38 40 31 other IPs or domains 2->40 62 Snort IDS alert for network traffic 2->62 64 Multi AV Scanner detection for domain / URL 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 6 other signatures 2->68 11 rKabelimpedansen.exe 32 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 32 C:\Users\user\...\AsEncryptHelper.dll, PE32+ 11->32 dropped 34 C:\Users\user\Agitpropist\...\prldap60.dll, PE32 11->34 dropped 82 Tries to detect Any.run 11->82 84 Hides threads from debuggers 11->84 15 rKabelimpedansen.exe 6 11->15         started        signatures6 process7 dnsIp8 48 googlehosted.l.googleusercontent.com 142.250.186.97, 443, 49838 GOOGLEUS United States 15->48 50 drive.google.com 172.217.23.110, 443, 49837 GOOGLEUS United States 15->50 52 192.168.11.1 unknown unknown 15->52 54 Modifies the context of a thread in another process (thread injection) 15->54 56 Tries to detect Any.run 15->56 58 Maps a DLL or memory area into another process 15->58 60 3 other signatures 15->60 19 explorer.exe 2 1 15->19 injected signatures9 process10 dnsIp11 42 www.album0186.online 46.28.106.170, 80 WEDOSCZ Czech Republic 19->42 44 xcellcorp.com 184.154.47.42, 49859, 49860, 49861 SINGLEHOP-LLCUS United States 19->44 46 13 other IPs or domains 19->46 70 System process connects to network (likely due to code injection or exploit) 19->70 72 Uses ipconfig to lookup or modify the Windows network settings 19->72 23 ipconfig.exe 13 19->23         started        signatures12 process13 signatures14 74 Tries to steal Mail credentials (via file / registry access) 23->74 76 Tries to harvest and steal browser information (history, passwords, etc) 23->76 78 Writes to foreign memory regions 23->78 80 3 other signatures 23->80 26 firefox.exe 23->26         started        process15 process16 28 WerFault.exe 4 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/54bc8ad70bdd156ce345dc785b4858d2b47a69b74855f76a7016d1aae3b74e13/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ks6ivvyl3ukwzy2f3r4fwscy2k2hu2nxjbk7o2tqc3i2vy5xjyjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06243274174960778e1adac528d0c2641cf742fa2ba0759c9fe762f7a0692aff
Formbook
12748aea84778652c1b2fef43117bdb42de3061f4a4376927ca27154cce42013
Formbook
29d58f95baae09dc7c45b4185c2d3c221b4d20b6f1b99575302112211493464e
Formbook
3ab1320757d68dbf0e5eb5d31cf81247952c244bbfbda9466cd83d112efc2c72
Formbook
591ea8c06daef587f239bbaa3d29cb46ccba25ccba58c324441efbaf4c5eb5d8
Formbook
6b2d71b9e5b1ed1d75d7eb03141735491c906c4e4dc6846bc1ef6e032507b1a5
Formbook
757ecedd9789cb6d77831f2e2c0fc312b05d9ad3e0f6d5c46e3d9c26ce325bc8
Formbook
ca36938bca50bc95f123c86a7c886b2da3add6b082b31146bbfae46ddccc473c
Formbook
dae07c0c93ddde9c93128b15ba4fd8ec83a07538d3b03eda7374cfcb5441c84f
Formbook
e5353ff27ed098df305583595a130e36ed68a127202de30ef963d2a78da20481
Formbook
+ 796 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230420-qdr79saa63/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
1188fbf20b7df9e51ec6cba5f1dbff81955a5d0c0b669d9435121c65114e5e01
MD5 hash:
c78acbfe4dfb94888d5620c507a283f6
SHA1 hash:
118e6a02ba6d3670e51d5f9982c159bb6504cd43
Link:
https://www.unpac.me/results/e6567e26-a6cf-44d8-8c71-ae7f63a62dfb/
SH256 hash:
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
MD5 hash:
fc90dfb694d0e17b013d6f818bce41b0
SHA1 hash:
3243969886d640af3bfa442728b9f0dff9d5f5b0
Link:
https://www.unpac.me/results/e6567e26-a6cf-44d8-8c71-ae7f63a62dfb/
SH256 hash:
54bc8ad70bdd156ce345dc785b4858d2b47a69b74855f76a7016d1aae3b74e13
MD5 hash:
c1ec64696fd5605c0c5ce991dc745e9c
SHA1 hash:
540ef9ba5b441361034bb532013d2c8e5614b02f
Link:
https://www.unpac.me/results/e6567e26-a6cf-44d8-8c71-ae7f63a62dfb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/54bc8ad70bdd/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/54bc8ad70bdd156ce345dc785b4858d2b47a69b74855f76a7016d1aae3b74e13

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Malspam

Formbook

Executable exe 54bc8ad70bdd156ce345dc785b4858d2b47a69b74855f76a7016d1aae3b74e13

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383773/

Comments