MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51b1ea5740bc66a8e008f46ee5583c422e7a5302cb1d7737654e84666883ce11. 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
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SHA256 hash: 51b1ea5740bc66a8e008f46ee5583c422e7a5302cb1d7737654e84666883ce11
SHA3-384 hash: c2b57551360fe65e894ac2e74ae95f3e83d76f0e6e918eb647bf6358306b2ff37ec866488a5cea8c36cba25f4666e5b6
SHA1 hash: 6c3b51b11406f382ba33543b0154e380d83d55de
MD5 hash: 6128726dd3c9c8f5b2841fd404e585e5
humanhash: kansas-pluto-moon-yellow
File name:Official Purchase Order.exe
Download: download sample
Signature Formbook
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File size:980'480 bytes
First seen:2022-12-15 12:18:57 UTC
Last seen:2022-12-16 22:18:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:tIIVVhvvvk76/cIv7JqVJRHt+ynS2/wvTlGRCacvDWEHAIoOP4/+ruEoVzVw3OVt:2IdqLuynS2/FOFPlrJmy3OVThvL7/
TLSH T1E2259C0A70D85D59EB82EAF10740B6B136937FED25DDAA3C4EE93F590432618DC242DE
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)
File icon (PE):PE icon
dhash icon f0dc9eb69696c0f0 (12 x AgentTesla, 6 x Formbook, 3 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
183
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Official Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2022-12-15 12:21:26 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/f502d7cd-93f6-45d3-b249-568699ca622d

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/346622/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.48217.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/639b10b9eb30169fa848d390/reports/6de83506-27a9-49ad-9be4-7e6da99321d8/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/41a49972-886c-4e47-bc9b-19759b47b917
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1134980
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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)
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 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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 767711 Sample: Official Purchase Order.exe Startdate: 15/12/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 6 other signatures 2->40 8 Official Purchase Order.exe 3 2->8         started        process3 file4 22 C:\Users\...\Official Purchase Order.exe.log, ASCII 8->22 dropped 50 Injects a PE file into a foreign processes 8->50 12 Official Purchase Order.exe 8->12         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.www64421.com 107.149.163.158, 49722, 80 PEGTECHINCUS United States 15->24 26 www.moveecosystem.xyz 3.64.163.50, 49724, 49725, 49726 AMAZON-02US United States 15->26 28 192.168.2.1 unknown unknown 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Performs DNS queries to domains with low reputation 15->32 19 msdt.exe 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Deletes itself after installation 19->46 48 2 other signatures 19->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51b1ea5740bc66a8e008f46ee5583c422e7a5302cb1d7737654e84666883ce11/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-15 12:19:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgy6uv2axrtkryai6rxokwb4iixhuuyczmoxon3fj2cgm2edzyiq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:snky rat spyware stealer trojan
Link:
https://tria.ge/reports/221215-pg6z6afc9s/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8b0206e5-1409-4601-87d6-d23fd45074f1
Unpacked files
SH256 hash:
5404fc32f356990369ac9a74be7b1a43e7c561b5f660c0abb687a3f06dc9aa14
MD5 hash:
4c0307f77f0161e0e8eb30c86b7f2548
SHA1 hash:
b3b2424c96244f27defa6f492476aaa5fd25cb19
Detections:
XLoader
Create hunting rule
win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/196b2a9d-22aa-4b86-aada-7a3cba42d1b8/
Parent samples :
75b803222917f13da307cd36a22b56e0192860ede2c368cab45d53cef5f4422f
77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4
d1dd1f80a7b08c0b8ee7c3067df3d35dadc6af79b02761ccf70dfcaa53f76cd7
4b01d8e4729b07277f8f71037f9fbda1f8d817d9688850d941e7832727bb0276
3276e7ff57ccbea104651066c1d45301d52fbfce23d0d48f5238d82a51abd852
590277f960d74add2860c7332ae427eaea968bdf3bb4d5a8da5563a3115b16f7
51b1ea5740bc66a8e008f46ee5583c422e7a5302cb1d7737654e84666883ce11
4b4faaccc4842d408c3caad47e364f69dad51765ab242e4dc8c97de0cd190ddc
6ff54e94c6557ae213d67159c8c8bbdc84079801ba263631f9c7a798f660eaad
4b834ce0a8404956a934c2b2be8441439b5b049179fe94788b5007fda7f2c2fa
SH256 hash:
1ab4a6e607afd06069dd9cd1ff07768f5cb7691b2aa7e4ebf5e19a2a5998c53e
MD5 hash:
ea8f822532135bf22f257bb18832bc25
SHA1 hash:
91999663771403e1e6f67e468ec58585bb5731b0
Link:
https://www.unpac.me/results/196b2a9d-22aa-4b86-aada-7a3cba42d1b8/
SH256 hash:
50a3c76c8ccb16e5b07973bc7247e5471e08f8f4ce5550fc814eaf4bdd7fe0f4
MD5 hash:
8d1475e460c2e86d009abad1e408ce1e
SHA1 hash:
a17deefe8a4130db3634901bf71f796852017ecd
Link:
https://www.unpac.me/results/196b2a9d-22aa-4b86-aada-7a3cba42d1b8/
SH256 hash:
11726288ad553ecbc68354fdd2a7445eda07174a869454e44f7639d88be97c68
MD5 hash:
7d18342efef74790db7b9b0a0ea2671a
SHA1 hash:
68a2f863ec05bae3e3481fadd8cf96fbcb5425f1
Link:
https://www.unpac.me/results/196b2a9d-22aa-4b86-aada-7a3cba42d1b8/
SH256 hash:
e26533ca03db9506cd8507774944736818a84a4752479877be5472d690d645d5
MD5 hash:
2d1a674a130168f4676b8931bbf4e0e6
SHA1 hash:
13f81a41a920235fb9e8efad143c683d00be16e1
Link:
https://www.unpac.me/results/196b2a9d-22aa-4b86-aada-7a3cba42d1b8/
SH256 hash:
08727f6654ae12f1cb1adbe4ecaece1866dd5ac41289f250e871fac70dd56c70
MD5 hash:
2af74d2c47859f53054b897de3743058
SHA1 hash:
012e96bd1a594844f64b04e1ff5b6b4bc0418157
Link:
https://www.unpac.me/results/196b2a9d-22aa-4b86-aada-7a3cba42d1b8/
SH256 hash:
51b1ea5740bc66a8e008f46ee5583c422e7a5302cb1d7737654e84666883ce11
MD5 hash:
6128726dd3c9c8f5b2841fd404e585e5
SHA1 hash:
6c3b51b11406f382ba33543b0154e380d83d55de
Link:
https://www.unpac.me/results/196b2a9d-22aa-4b86-aada-7a3cba42d1b8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/51b1ea5740bc66a8e008f46ee5583c422e7a5302cb1d7737654e84666883ce11

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: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.

Malspam

Formbook

Executable exe 51b1ea5740bc66a8e008f46ee5583c422e7a5302cb1d7737654e84666883ce11

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/346622/

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