MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca8104fc0f6ad4c6d34b4f588bb2802ef8d5acfeef475210a3b721b3dccf7276. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
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SHA256 hash: ca8104fc0f6ad4c6d34b4f588bb2802ef8d5acfeef475210a3b721b3dccf7276
SHA3-384 hash: 20a407cba580965011b0dbe3ad6160d144b9fcdbf2bb5dc307398ba77d6ba9f8c2eebb9dcc57e55e07894f341ca6cb28
SHA1 hash: cf5d61b17ea1410d4111d4efca51a417f0af93bf
MD5 hash: 52b120103a6d55d96334e96c6c3ae699
humanhash: shade-blue-muppet-monkey
File name:RECEIPT-CARGO-00098GHG-DOCX.exe
Download: download sample
Signature Formbook
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File size:676'352 bytes
First seen:2024-05-28 08:23:17 UTC
Last seen:2024-05-28 09:26:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:yBd9+OJqero8gpQCybCLYiSMWBG051kpT4WEIMithJtZPhJ+:ybJNrxjbC6MWc0iT4fIMo
TLSH T12BE423475978883FCE7E16FA482301A217F0D37740B1FB8B2E5864E962D37E859217A7
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
329
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ca8104fc0f6ad4c6d34b4f588bb2802ef8d5acfeef475210a3b721b3dccf7276.exe
Verdict:
Malicious activity
Analysis date:
2024-05-28 08:27:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bc2a8a5a-7518-4395-ba7d-07b375d69726

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MulDropNET.68.14166.11004.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665594b03d0e5a324e76534fwin7simulatehigh_evasion
Tags:
Network Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ca8104fc0f6ad4c6d34b4f588bb2802ef8d5acfeef475210a3b721b3dccf7276
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:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/49770c12-e534-49ab-a95b-0fef912ac4a5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448445
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Found direct / indirect Syscall (likely to bypass EDR)
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
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: 1448445 Sample: RECEIPT-CARGO-00098GHG-DOCX.exe Startdate: 28/05/2024 Architecture: WINDOWS Score: 100 30 www.d99qtpkvavjj.xyz 2->30 32 www.unisolerp.com 2->32 34 7 other IPs or domains 2->34 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 52 8 other signatures 2->52 10 RECEIPT-CARGO-00098GHG-DOCX.exe 3 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 30->50 process4 signatures5 64 Injects a PE file into a foreign processes 10->64 13 RECEIPT-CARGO-00098GHG-DOCX.exe 10->13         started        16 RECEIPT-CARGO-00098GHG-DOCX.exe 10->16         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 18 hDomXdpWYAqkWE.exe 13->18 injected process8 signatures9 42 Found direct / indirect Syscall (likely to bypass EDR) 18->42 21 raserver.exe 13 18->21         started        process10 signatures11 54 Tries to steal Mail credentials (via file / registry access) 21->54 56 Tries to harvest and steal browser information (history, passwords, etc) 21->56 58 Modifies the context of a thread in another process (thread injection) 21->58 60 2 other signatures 21->60 24 hDomXdpWYAqkWE.exe 21->24 injected 28 firefox.exe 21->28         started        process12 dnsIp13 36 www.kohfour.com 216.40.34.41, 49713, 80 TUCOWSCA Canada 24->36 38 www.fruitique.co.uk 212.227.172.253, 49714, 49715, 49716 ONEANDONE-ASBrauerstrasse48DE Germany 24->38 40 3 other IPs or domains 24->40 62 Found direct / indirect Syscall (likely to bypass EDR) 24->62 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ca8104fc0f6ad4c6d34b4f588bb2802ef8d5acfeef475210a3b721b3dccf7276
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca8104fc0f6ad4c6d34b4f588bb2802ef8d5acfeef475210a3b721b3dccf7276/
Threat name:
Win32.Trojan.Generic
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Status:
Malicious
First seen:
2024-05-28 08:24:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkaqj7apnlkmnu2lj5mixmuaf34nllh655dveefdw4q3hxgpoj3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240528-kapp3sde52/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/31eddeec-9afd-4786-9410-c61ad6470f92
Unpacked files
SH256 hash:
25edbc78b69b875204dcb22323d9a252feb22b37bd75adacf352a58d0a747070
MD5 hash:
16ae9d12c256d7247019afc3ee23d4c7
SHA1 hash:
63d7c1653344f4a57a47a415ca46278c0079a00b
Link:
https://www.unpac.me/results/0622b140-974d-4d0e-89ea-d14bcf5d882f/
SH256 hash:
2d2988efe051d2662cfb6ea4cc4f5c00da70895ce183aa655ff74e7cf5e2df9d
MD5 hash:
5c011c095efebec446498caf4a1eca6d
SHA1 hash:
71666dfff5e4d5ef458b22d85dd9ea5d60eb8f5e
Link:
https://www.unpac.me/results/0622b140-974d-4d0e-89ea-d14bcf5d882f/
SH256 hash:
73113abdadefd54e02f0d3f3aec21c31e96b315dc2ad6ae7d725cd5197e97c48
MD5 hash:
ae27d0d76e10c13d9dc0ad2a6b147756
SHA1 hash:
f1a4bc030b4476ac1450cc797213e34f567dd434
Link:
https://www.unpac.me/results/0622b140-974d-4d0e-89ea-d14bcf5d882f/
SH256 hash:
54892a2ad8bf464501e0f825a114b6519212c52586f18025fa7f7b5abb7df3a9
MD5 hash:
516b95a2508a195dcfd17a41016ccead
SHA1 hash:
e50a8ebffd689a4fd76a5aab73819b454ccd56f4
Link:
https://www.unpac.me/results/0622b140-974d-4d0e-89ea-d14bcf5d882f/
SH256 hash:
8775bfd117c9aab02031463b1a9e64d598bb05bb9fccfd2df41eeab02cfd9750
MD5 hash:
7caf6627c99fbefc9ddcdfb78626cb3c
SHA1 hash:
5f57a4b4024ce51e41d92f54bcdd474c4d66f415
Link:
https://www.unpac.me/results/0622b140-974d-4d0e-89ea-d14bcf5d882f/
SH256 hash:
1d9a98c08f56d20831bd4ef69e9f754475db0ae650baaa18228aeb9602f892b9
MD5 hash:
7cf3e3c13cece3ad63ef9f66d1ffc856
SHA1 hash:
4fc79fe0b57e9d390b2625c639ad752f9a6a5142
Link:
https://www.unpac.me/results/0622b140-974d-4d0e-89ea-d14bcf5d882f/
SH256 hash:
ca8104fc0f6ad4c6d34b4f588bb2802ef8d5acfeef475210a3b721b3dccf7276
MD5 hash:
52b120103a6d55d96334e96c6c3ae699
SHA1 hash:
cf5d61b17ea1410d4111d4efca51a417f0af93bf
Link:
https://www.unpac.me/results/0622b140-974d-4d0e-89ea-d14bcf5d882f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca8104fc0f6a/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/ca8104fc0f6ad4c6d34b4f588bb2802ef8d5acfeef475210a3b721b3dccf7276

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 ca8104fc0f6ad4c6d34b4f588bb2802ef8d5acfeef475210a3b721b3dccf7276

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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