MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93c41c5eeaeb880ca0ccdf5792b8314f5da254aea929c1070560e6a5caebab6b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 93c41c5eeaeb880ca0ccdf5792b8314f5da254aea929c1070560e6a5caebab6b
SHA3-384 hash: 50c5b41e175fedb928774ca301750bf0f9c235cd01c00517bd2b131069bf06ce29764416c97cbedc736f49bf2a075f2e
SHA1 hash: 9f97838515a227ac311030688c52b342624d6f30
MD5 hash: 7ee08dbef23ecd9e0280379d06be56e2
humanhash: mockingbird-pizza-fifteen-sink
File name:PO25082022205211.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:803'328 bytes
First seen:2022-08-26 06:29:19 UTC
Last seen:2022-08-31 15:40:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:6qaT/0shbH1fT/0shbjImGx7RuMc+dj+At9:Fo5HfGx7nwU
TLSH T13105015433D4CC5ACABFA7F5CCA0124107B8B6296D12D75F668025EE1C32BDD8A0EB67
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
310
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO25082022205211.exe
Verdict:
Malicious activity
Analysis date:
2022-08-26 06:31:21 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/74dc6a49-5804-4337-b534-cccf6cf80951

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/301306/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed remcos
Link:
https://www.filescan.io/uploads/630868e53cbb13868a835393/reports/f8964367-607e-4301-851c-a329db955ac3/overview
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/745b7414-5ac8-4677-bbe8-cd8d6fe60502
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1058186
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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
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 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 dnsIp2 2 Behavior Graph ID: 690703 Sample: PO25082022205211.exe Startdate: 26/08/2022 Architecture: WINDOWS Score: 100 27 www.nawyh.space 2->27 29 www.minimalkeys.site 2->29 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected AntiVM3 2->37 39 5 other signatures 2->39 9 PO25082022205211.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\...\PO25082022205211.exe.log, ASCII 9->25 dropped 51 Injects a PE file into a foreign processes 9->51 13 PO25082022205211.exe 9->13         started        16 PO25082022205211.exe 9->16         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 18 explorer.exe 13->18 injected process9 dnsIp10 31 www.dietback.com 52.20.84.62, 49701, 80 AMAZON-AESUS United States 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 cmd.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Deletes itself after installation 22->47 49 2 other signatures 22->49
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/93c41c5eeaeb880ca0ccdf5792b8314f5da254aea929c1070560e6a5caebab6b/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-25 09:08:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
45
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=spcbyxxk5oeazigm35lzfobrj5o2evfoveu4cbyfmdtklsxlvnvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220826-g9g8hagehq/
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
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
5ba196544452b1d2e0e658cd0fd00c65119190d2959bb686428f2d1d8f2767ca
MD5 hash:
6d1a2a7d0f82e07b7bca7d78b5a72374
SHA1 hash:
b54001771a9d1c05ef1dcf8a44909c86ae386095
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/742b0e47-1fbe-4fd1-a797-9de62a5e5c93/
Parent samples :
93c41c5eeaeb880ca0ccdf5792b8314f5da254aea929c1070560e6a5caebab6b
f5e1d6a3d030e6ea4f3393a470ace4e814e972b5bfbdcf7837e356431a51166e
d0294bc11b1c8e0655189aba2ade4ffb54da6f36e2afc2ef2e0045a5a17203bf
SH256 hash:
8bef02cbd7a3ba1d8023b65135200150c070eb9089fd90eb2940cc2081dceabf
MD5 hash:
68f95b460dbdfb3181397a91ee2fb114
SHA1 hash:
4840319f5cde4a5810fa829465486b59cec69dc5
Link:
https://www.unpac.me/results/742b0e47-1fbe-4fd1-a797-9de62a5e5c93/
SH256 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
Link:
https://www.unpac.me/results/742b0e47-1fbe-4fd1-a797-9de62a5e5c93/
SH256 hash:
05c34b10095cdd7551982758b770ea023ddaf01b15ab517c2701d88a5c107f74
MD5 hash:
cbafca431ee0d435fca8ef1755f23af4
SHA1 hash:
2707e80ca8da445e5fbbc44c1bee6ecb021c9d5d
Link:
https://www.unpac.me/results/742b0e47-1fbe-4fd1-a797-9de62a5e5c93/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/742b0e47-1fbe-4fd1-a797-9de62a5e5c93/
SH256 hash:
37fee7ab4c47f3b01124255d3df390634585eb171f9f4190191ce77066ccf801
MD5 hash:
f27cf658dbb6b4a1fe3b9ba1bca584e0
SHA1 hash:
21b35770e8c99c6b005431e155a1858d86975cfb
Link:
https://www.unpac.me/results/742b0e47-1fbe-4fd1-a797-9de62a5e5c93/
SH256 hash:
93c41c5eeaeb880ca0ccdf5792b8314f5da254aea929c1070560e6a5caebab6b
MD5 hash:
7ee08dbef23ecd9e0280379d06be56e2
SHA1 hash:
9f97838515a227ac311030688c52b342624d6f30
Link:
https://www.unpac.me/results/742b0e47-1fbe-4fd1-a797-9de62a5e5c93/
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/93c41c5eeaeb880ca0ccdf5792b8314f5da254aea929c1070560e6a5caebab6b

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 93c41c5eeaeb880ca0ccdf5792b8314f5da254aea929c1070560e6a5caebab6b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/301306/

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