MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
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SHA256 hash: 864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17
SHA3-384 hash: a785e61f5b5131756382d56287c3bfabb7855bac087190d6136e795b27b9bbe0f8f22c7b45d17d2f508e1e8b9bd49593
SHA1 hash: 8d5809ae7176e28e61245b18678ef3bada66f414
MD5 hash: d3276b14eaab222d13f7f15dc879ed16
humanhash: oxygen-winter-juliet-hotel
File name:JJUmnnkIxSCyKik.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:797'192 bytes
First seen:2024-04-28 08:58:06 UTC
Last seen:2024-04-28 09:31:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:AHPjKr5BNDoxwj4R0zyfx+VC6vkI8F4WSI+y9:6k5BNYSNq6vcI8FQW
TLSH T129052260F3B8D297C6B16FB449A8D19A9BF670523925E7CD0CD0709E2AE4B40FF10667
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 68d0d0d898d8d868 (10 x AgentTesla, 5 x Formbook, 2 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
291
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 09:10:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0e7042f9-4760-4ddc-984d-5f72bdbe2804

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/662e0fd6d2fc149e41246f41/reports/064a16ba-61c8-4881-b8a9-23289ba18bfe/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17
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/c53c0683-0d69-490a-8a8a-530428517861
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432817
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432817 Sample: JJUmnnkIxSCyKik.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 40 www.dy-gmvrp.xyz 2->40 42 xpendly.cc 2->42 44 31 other IPs or domains 2->44 72 Snort IDS alert for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 80 9 other signatures 2->80 11 JJUmnnkIxSCyKik.exe 3 2->11         started        14 chrome.exe 1 2->14         started        signatures3 78 Performs DNS queries to domains with low reputation 40->78 process4 dnsIp5 86 Tries to detect virtualization through RDTSC time measurements 11->86 88 Injects a PE file into a foreign processes 11->88 17 JJUmnnkIxSCyKik.exe 11->17         started        58 192.168.2.4, 138, 443, 49528 unknown unknown 14->58 60 192.168.2.5 unknown unknown 14->60 62 239.255.255.250 unknown Reserved 14->62 20 chrome.exe 14->20         started        signatures6 process7 dnsIp8 64 Modifies the context of a thread in another process (thread injection) 17->64 66 Maps a DLL or memory area into another process 17->66 68 Sample uses process hollowing technique 17->68 70 Queues an APC in another process (thread injection) 17->70 23 explorer.exe 94 1 17->23 injected 46 play.google.com 142.251.16.139, 443, 49771, 49772 GOOGLEUS United States 20->46 48 172.253.122.105, 443, 49779 GOOGLEUS United States 20->48 50 6 other IPs or domains 20->50 signatures9 process10 dnsIp11 52 3051harborview.com 15.197.142.173, 49782, 80 TANDEMUS United States 23->52 54 www.growthpfad.com 93.90.186.43, 49777, 80 PROVIDERBOXIPv4IPv6DUS1DE Germany 23->54 56 8 other IPs or domains 23->56 82 System process connects to network (likely due to code injection or exploit) 23->82 84 Uses netsh to modify the Windows network and firewall settings 23->84 27 netsh.exe 23->27         started        signatures12 process13 signatures14 90 Modifies the context of a thread in another process (thread injection) 27->90 92 Maps a DLL or memory area into another process 27->92 94 Tries to detect virtualization through RDTSC time measurements 27->94 30 cmd.exe 1 27->30         started        32 chrome.exe 27->32 injected 34 chrome.exe 27->34 injected 36 5 other processes 27->36 process15 process16 38 conhost.exe 30->38         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2024-04-26 11:17:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzfvm2prq2a24a7nxv6dwo57m4zokumr2sed6gdyh244mep2tilq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:be03 rat spyware stealer trojan
Link:
https://tria.ge/reports/240428-kxqkwscd3y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
5b6088011ffd5987d7865e80b4beffb0956de30e9302c4e02967cd3db015c764
MD5 hash:
d4ba0da7424479013329b0c45f055acf
SHA1 hash:
a5cb4377e88ba0de340ad2a9a18bf5dae543b2fd
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/0d25f06c-fcae-401c-b7e5-de3c7349a0e1/
Parent samples :
864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17
6465b2c5702a723c7229e33fdf38676e3b0e0049b5b632e2fe6e210713f6a7e7
13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d
c4b6e4bd4131eaa2fba28259570135346ea35a90bf271bab1560f019550698fd
e5435dd5c1dab1fd1a738ddf914ea9af64e89daa4b141b3075f53f0960805dbe
SH256 hash:
8d000ea0652ce948795797c4f408d2439d9f564deec7682c53f33e0a51f1d852
MD5 hash:
fb05c5a2c33a044c6aaa036d5c62b27b
SHA1 hash:
dc933e2f9cfed66b2596dc2f46d3a82344b5e6ec
Link:
https://www.unpac.me/results/0d25f06c-fcae-401c-b7e5-de3c7349a0e1/
SH256 hash:
bb5c6a6f28c46a57755b3e26cde383cce844580b1e3e32942e04142367558539
MD5 hash:
41e1d0826beabfa8f86f0127d9698c9a
SHA1 hash:
a3c8653503e82ba623bab5b4ae9553c9584a371e
Link:
https://www.unpac.me/results/0d25f06c-fcae-401c-b7e5-de3c7349a0e1/
SH256 hash:
a3de65d9607fa28995b6d60b0ad501d36107454865c7a74e8121ec11320ae565
MD5 hash:
7dfefede4d4b4d15fe2c4d83996e9e1a
SHA1 hash:
62e0258f0a8d23d17225ff7ad0b304ab12a9fd6a
Link:
https://www.unpac.me/results/0d25f06c-fcae-401c-b7e5-de3c7349a0e1/
SH256 hash:
864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17
MD5 hash:
d3276b14eaab222d13f7f15dc879ed16
SHA1 hash:
8d5809ae7176e28e61245b18678ef3bada66f414
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/0d25f06c-fcae-401c-b7e5-de3c7349a0e1/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/864b5669f186/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/864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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