MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c918d1ae4c1635db9333c72fa06a6b04afa4a2ab37f494cd24c5e3fbc6963ead. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: c918d1ae4c1635db9333c72fa06a6b04afa4a2ab37f494cd24c5e3fbc6963ead
SHA3-384 hash: f7fb55255c7338a1a87e6ed26a67264b8481a9f86230648d366e44e9d1712680ff32368199d0b60394894263158f73a4
SHA1 hash: c566919ad41c290b2b40748f4e4ef49431fb6f0f
MD5 hash: 1d26b03da3e4bd504c8173286d084646
humanhash: bravo-victor-neptune-edward
File name:RV099278372-0288.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:922'112 bytes
First seen:2023-05-19 19:17:56 UTC
Last seen:2023-05-20 15:24:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:X2iNfUFotEvZ418WMSx7MiqZoTErgnk8VnkYn7i8QB6QfI85:X1Bs0qZ4aW7/IrgnkAYv5
Threatray 2'969 similar samples on MalwareBazaar
TLSH T1E615D060AAE9D7CDD4240BF492D2D4F0076A1C69E1F9EA574EDB2CCF30B6A44312653B
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 125ad212e9cd3682 (40 x AgentTesla, 21 x Loki, 19 x Heodo)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
265
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RV099278372-0288.exe
Verdict:
Suspicious activity
Analysis date:
2023-05-19 19:19:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3f63c73c-a46b-468e-85a9-a0c48d86cc39

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/6467cb6cb4c51ed533d81ade/reports/de7952a2-5514-4c9e-8573-b1aabc1db325/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c918d1ae4c1635db9333c72fa06a6b04afa4a2ab37f494cd24c5e3fbc6963ead
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/ade14cc5-4614-428b-8cb2-cf6bbfb87e5e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1237564
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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: 870558 Sample: RV099278372-0288.exe Startdate: 19/05/2023 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 6 other signatures 2->46 10 RV099278372-0288.exe 3 2->10         started        process3 file4 32 C:\Users\user\...\RV099278372-0288.exe.log, ASCII 10->32 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 RV099278372-0288.exe 10->14         started        17 RV099278372-0288.exe 10->17         started        19 RV099278372-0288.exe 10->19         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 21 explorer.exe 1 14->21 injected process8 dnsIp9 34 graphicstudio53.com 192.64.117.42, 49716, 80 NAMECHEAP-NETUS United States 21->34 36 www.doordelivery.life 188.114.96.7, 49717, 80 CLOUDFLARENETUS European Union 21->36 38 4 other IPs or domains 21->38 48 System process connects to network (likely due to code injection or exploit) 21->48 25 chkdsk.exe 21->25         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 54 Tries to detect virtualization through RDTSC time measurements 25->54 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c918d1ae4c1635db9333c72fa06a6b04afa4a2ab37f494cd24c5e3fbc6963ead/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-17 15:06:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zemndlsmcy25xezty4x2a2tlasx2jivlg72jjtjeyxr7xruwh2wq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00cfe203d12d732e66ba6f2bfbd6b7dff900b2c7b90cba95a435f9f78adafeca
Formbook
28981de1a7a9617749fe0a5d19b8e0c80b2dc082118c1ca1b95e475df34e44a4
Formbook
3017b026d0925919ad8085d523f83235fa84ead58d1399576e60e6183003820e
Formbook
5fed9c873f468294fce13808c139fc7ccf40d412e052bb31c8d768750ed8a22d
Formbook
7d05369e7f8c3f1ae6e8e52d34c33707768c9d50c7cc688198f1e72bfebd2599
Formbook
9c3d5704da83029f78ee8cf532c746cd04834f5375a698f21c50040ade6c5a09
Formbook
9ef04feb0ee1752a0482420b2ffecc24d69aea3421a5aaa3b36d1d4061133b4c
Formbook
abbf85558290e3fa302f88f51243e5216f24c9bc4fce64a0f616db3be2c46e8e
Formbook
bfede26656dbab01c01f5187f8a5d9b63cd0f8bba301e8c1d145bda515960f02
Formbook
e8f271e2c00c7310ba76f5be24f425df7b4c3fdd84a0b715906a10da4f7e879b
Formbook
+ 2'959 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:km37 rat spyware stealer trojan
Link:
https://tria.ge/reports/230519-xzxs7sac8t/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
bf49e25e94fb4282320b6a09d40a436f3032b9902713eeaffc50070cbd4ef14d
MD5 hash:
087bf738ee223185450642e919ed0a37
SHA1 hash:
2b801a4e1fb440f5e6e8aea173abd70873c0b971
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/cde65111-2b82-40f1-b207-c36f145ffcc5/
Parent samples :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 hash:
01eaaba3846ca9a613b7a29389e59eab8abc122eaaebddae6ad0468b836bcb64
MD5 hash:
581f2c320e8c7c7699168583f18185e1
SHA1 hash:
fb591077389263137be7f04c205388d138c851b3
Link:
https://www.unpac.me/results/cde65111-2b82-40f1-b207-c36f145ffcc5/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/cde65111-2b82-40f1-b207-c36f145ffcc5/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
81d3b893aad0def2fc419f00eacab146e9bc389c261bab03416ebd5155ca68eb
MD5 hash:
c9f0b8319c7ca450341379fc83a29a71
SHA1 hash:
26dbd09bb76b06cad76d1076f7a38892d4cb37d9
Link:
https://www.unpac.me/results/cde65111-2b82-40f1-b207-c36f145ffcc5/
SH256 hash:
a3bd634b724e79b067b251f6a68cdb1231309eb7da1b58966f5fcad78a8fb93a
MD5 hash:
b1234a69b8b8b22edd2b53bfb9f5b121
SHA1 hash:
1c6c48f11904f37177ed164554db21136230c41f
Link:
https://www.unpac.me/results/cde65111-2b82-40f1-b207-c36f145ffcc5/
SH256 hash:
c918d1ae4c1635db9333c72fa06a6b04afa4a2ab37f494cd24c5e3fbc6963ead
MD5 hash:
1d26b03da3e4bd504c8173286d084646
SHA1 hash:
c566919ad41c290b2b40748f4e4ef49431fb6f0f
Link:
https://www.unpac.me/results/cde65111-2b82-40f1-b207-c36f145ffcc5/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c918d1ae4c16/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/c918d1ae4c1635db9333c72fa06a6b04afa4a2ab37f494cd24c5e3fbc6963ead

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
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.

Malspam

Formbook

Executable exe c918d1ae4c1635db9333c72fa06a6b04afa4a2ab37f494cd24c5e3fbc6963ead

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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