MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29d58f95baae09dc7c45b4185c2d3c221b4d20b6f1b99575302112211493464e. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 29d58f95baae09dc7c45b4185c2d3c221b4d20b6f1b99575302112211493464e
SHA3-384 hash: 1a08efc13b58095a54f6ae9ab10ca331f5fad7ea39dab02f7d070a8d78d09d916d583dd23ef34a78d7765e1748197677
SHA1 hash: 116059339d3862a0f33ea5f2fc059effc5afd2e1
MD5 hash: fdfd2b4625d2bf4b5607b1173d8f1f35
humanhash: coffee-wyoming-item-pasta
File name:Uncatastrophic.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'283'536 bytes
First seen:2023-04-18 10:19:04 UTC
Last seen:2023-04-19 10:05:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 24576:cO57MjASXCjjpNNUcm6R2s6WQtlAN3f4sjou7vNfAvUiDFh6:cOpi/UNcdsktluTjou7RQfg
Threatray 715 similar samples on MalwareBazaar
TLSH T17F5523616B54CE6FC054B27B6F3BD469C3ABB53669307B0E1304BAE5A97D202821F74C
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 58eed21429a9d0d4 (2 x Formbook, 1 x GuLoader)
Reporter TeamDreier
Tags:exe FormBook signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-23T07:15:17Z
Valid to:2026-03-22T07:15:17Z
Serial number: 62f6c3e2d9e4c5b0a37552f516cbe95fe48ca073
Thumbprint Algorithm:SHA256
Thumbprint: 2479224a85e995f41a4cc777f732a32d8bab65fefe8744929fedc4af48862dd2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
237
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Uncatastrophic.exe
Verdict:
Malicious activity
Analysis date:
2023-04-18 10:21:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4d48063b-710a-4a27-9df6-aff60f721a0d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/382977/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Searching for the window
Creating a window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/643e6ed47a31c790ffdbc1cd/reports/0cf463bf-5331-438e-ada8-f92e4e875211/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/29d58f95baae09dc7c45b4185c2d3c221b4d20b6f1b99575302112211493464e
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/08f2c6a7-5540-4d70-afe9-ba64132e743d
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1215835
Signature
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
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 domain / URL
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 Any.run
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)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 848759 Sample: Uncatastrophic.exe Startdate: 18/04/2023 Architecture: WINDOWS Score: 100 38 xcellcorp.com 2->38 40 www.xcellcorp.com 2->40 42 28 other IPs or domains 2->42 62 Snort IDS alert for network traffic 2->62 64 Multi AV Scanner detection for domain / URL 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 6 other signatures 2->68 11 Uncatastrophic.exe 1 46 2->11         started        signatures3 process4 file5 30 C:\Users\user\Manna\...\Uninstall war.exe, PE32 11->30 dropped 32 C:\Users\user\...\default-browser-agent.exe, PE32+ 11->32 dropped 34 C:\Users\user\Manna\...\HidHook.dll, PE32+ 11->34 dropped 36 3 other files (none is malicious) 11->36 dropped 80 Tries to detect Any.run 11->80 15 Uncatastrophic.exe 6 11->15         started        signatures6 process7 dnsIp8 50 googlehosted.l.googleusercontent.com 142.250.184.193, 443, 49830 GOOGLEUS United States 15->50 52 drive.google.com 172.217.16.206, 443, 49829 GOOGLEUS United States 15->52 54 Modifies the context of a thread in another process (thread injection) 15->54 56 Tries to detect Any.run 15->56 58 Maps a DLL or memory area into another process 15->58 60 2 other signatures 15->60 19 explorer.exe 2 1 15->19 injected signatures9 process10 dnsIp11 44 xcellcorp.com 184.154.47.42, 49850, 49851, 49852 SINGLEHOP-LLCUS United States 19->44 46 44yyds.com 137.59.148.248, 49833, 49886, 80 PUBLIC-DOMAIN-REGISTRYUS India 19->46 48 11 other IPs or domains 19->48 70 System process connects to network (likely due to code injection or exploit) 19->70 23 colorcpl.exe 13 19->23         started        signatures12 process13 signatures14 72 Tries to steal Mail credentials (via file / registry access) 23->72 74 Tries to harvest and steal browser information (history, passwords, etc) 23->74 76 Writes to foreign memory regions 23->76 78 3 other signatures 23->78 26 firefox.exe 23->26         started        process15 process16 28 WerFault.exe 4 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/29d58f95baae09dc7c45b4185c2d3c221b4d20b6f1b99575302112211493464e/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-04-17 09:46:19 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fhky7fn2vye5y7cfwqmfylj4einu2ifw6g4zk5jqeejccfetizha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
12748aea84778652c1b2fef43117bdb42de3061f4a4376927ca27154cce42013
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b6fe7602e8f288c48cf04e60306dc9349c5b9ebeb8faf35905abede7d0525480
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Formbook
d0751a97dcbfedcddcf4c05434a1563f2c46c037b05744f7cbde14cd49584b61
Formbook
+ 705 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230418-mc32laag79/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
MD5 hash:
fc90dfb694d0e17b013d6f818bce41b0
SHA1 hash:
3243969886d640af3bfa442728b9f0dff9d5f5b0
Link:
https://www.unpac.me/results/eaa64125-01b6-4f56-aba1-3c1afd269268/
SH256 hash:
29d58f95baae09dc7c45b4185c2d3c221b4d20b6f1b99575302112211493464e
MD5 hash:
fdfd2b4625d2bf4b5607b1173d8f1f35
SHA1 hash:
116059339d3862a0f33ea5f2fc059effc5afd2e1
Link:
https://www.unpac.me/results/eaa64125-01b6-4f56-aba1-3c1afd269268/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/29d58f95baae/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/29d58f95baae09dc7c45b4185c2d3c221b4d20b6f1b99575302112211493464e

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 29d58f95baae09dc7c45b4185c2d3c221b4d20b6f1b99575302112211493464e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/382977/

Comments