MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0a28dbb92c8b98ec543cdc18e47ce1e6c5dd619a719c48815887984364719cb. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0a28dbb92c8b98ec543cdc18e47ce1e6c5dd619a719c48815887984364719cb
SHA3-384 hash: da998c5741fc5d3eb6756a00736896677ecf71a26be6da93234c6489819801badbd58156c121361f82c336ef1bc20430
SHA1 hash: c77d20e61e45b2d4ee4b8c44173256e7b66cb882
MD5 hash: 55faf63273f4222dc9378fd0cd430524
humanhash: happy-moon-aspen-seventeen
File name:Rpeat Order 302308.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:597'504 bytes
First seen:2023-08-30 13:30:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:5ULOudZxunA+f0XQKkrPVCT/lTbWDrQ/nLRrAq:2LTdZ8nA+fEQxD0lTbWDc/nlrAq
Threatray 311 similar samples on MalwareBazaar
TLSH T14BD4126126A88796C4BE57FE81E2440407F1A85E55BADFEC4DE030CD9BFA7081D48F9B
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 30e8c89696aaaa96 (5 x Formbook, 5 x AgentTesla, 1 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
285
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Rpeat Order 302308.exe
Verdict:
Malicious activity
Analysis date:
2023-08-30 13:34:07 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/7eb2226d-ab32-4987-b153-d1f4e21aaff3

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/445310/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64ef4498b3b7d7c782d14353/reports/b41207b8-4765-446f-a16a-58d8949ee2fb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a0a28dbb92c8b98ec543cdc18e47ce1e6c5dd619a719c48815887984364719cb
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/554a1ee1-b1a6-4ee7-bd91-3d983c1ece10
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1300400
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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: 1300400 Sample: Rpeat_Order_302308.exe Startdate: 30/08/2023 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 10 Rpeat_Order_302308.exe 3 2->10         started        process3 signatures4 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 13 Rpeat_Order_302308.exe 10->13         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 4 1 13->16 injected process7 dnsIp8 29 labourcommunitymarket.com 198.54.116.123, 49728, 80 NAMECHEAP-NETUS United States 16->29 31 rapportus.com 139.162.67.176, 49730, 80 LINODE-APLinodeLLCUS Netherlands 16->31 33 6 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 control.exe 16->20         started        23 autochk.exe 16->23         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a0a28dbb92c8b98ec543cdc18e47ce1e6c5dd619a719c48815887984364719cb/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-30 12:35:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ucri3o4szc4y5rkdzxay4r6odzwf3vqzu4m4jcavrb4yinshdhfq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3c37386f3be133776e9754f751b88396a17d0030105646d373e82e8e0a79fe3c
Formbook
4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e
Formbook
57a70c86b99cac6435ffc0fc3c93957ece656f9d92061a4ad7e06c531c0bbb4f
Formbook
59162d6533d5d56ceedd3f8a24e85e75cd198c72db5719188a4a582752d7fbe4
Formbook
94624d4514f91f314664e8d9e09dac46cd6aeeb841dda13f6a2ff9320e6e1902
Formbook
946c1319c6a08e50e191cc56cac6895bfac47b2e766901a8714251f40a06bdff
Formbook
a3a00b759deeeee0e3b83af767eb61b2aa9d3ef76fbe6d8fac1864fdfda474c4
Formbook
ab0b1f056d4030a9988c12df83064169e07f5cd2a9e7c51833ff057d2d8eedf3
Formbook
c89bf6380445a49127491a4c68b77bc9ff8ba9b8fa016846ed6cc2274b6133d0
Formbook
ea2bca0128d9498a9905b3408ceb8edecefbc96891ae4bf4403739d21fc98c52
Formbook
+ 301 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:v93r rat spyware stealer trojan
Link:
https://tria.ge/reports/230830-qsdcnaeg3t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
7c4f52688e96b376bd32223bb9769062741d16d1ba72755cc75ed1ff75febe52
MD5 hash:
0a809eb50e7e100e4d460b01a6f4b9a2
SHA1 hash:
30a19329086b32b21af1bf6788e415a81d134935
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/476f6f9b-431e-47ce-b332-157caf61997b/
Parent samples :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 hash:
c8c4de2a648b4a126c63121108dd3b2b5c2ccbf99d962d23c7574ac3dece7b9e
MD5 hash:
46e564a161eab62b52af74c86b01065a
SHA1 hash:
dc529d40a7d23c06df4fc22d3b69716f38119d0c
Link:
https://www.unpac.me/results/476f6f9b-431e-47ce-b332-157caf61997b/
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/476f6f9b-431e-47ce-b332-157caf61997b/
SH256 hash:
c094444932babf732e788625413d66665af54fa789015decb7e2da3d3ab25dc3
MD5 hash:
49204dbac9267797c9f6679a4bac06ec
SHA1 hash:
5590f19a53f6e6a88d14adfbc83ea1cd7ae002c7
Link:
https://www.unpac.me/results/476f6f9b-431e-47ce-b332-157caf61997b/
SH256 hash:
a0a28dbb92c8b98ec543cdc18e47ce1e6c5dd619a719c48815887984364719cb
MD5 hash:
55faf63273f4222dc9378fd0cd430524
SHA1 hash:
c77d20e61e45b2d4ee4b8c44173256e7b66cb882
Link:
https://www.unpac.me/results/476f6f9b-431e-47ce-b332-157caf61997b/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a0a28dbb92c8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a0a28dbb92c8b98ec543cdc18e47ce1e6c5dd619a719c48815887984364719cb

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:NET
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Author:malware-lu
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/445310/

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