MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b38eadc0a59ed8405656c9445912f644724ed07ce9086e0183a6b086460f20e6. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: b38eadc0a59ed8405656c9445912f644724ed07ce9086e0183a6b086460f20e6
SHA3-384 hash: f4b9a86a0b0548479b4c38d01ecbb9db2aae440c219929c2cb7bc88a217c646cf24ad8fa582b313d5b5b14de4078b044
SHA1 hash: 2c268f4a18427a7d1cc42c2f4decf730d3ae16eb
MD5 hash: e326d1eac6386e9c4b427f8d321d5740
humanhash: whiskey-lactose-california-nineteen
File name:DHL0039283.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:887'296 bytes
First seen:2021-08-24 05:48:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:rh/1XiD1mzWnw1xIhrBD1MuUV72LASPP5lemLErr+WZ1:rXiD1GcZhF15nf3TlLErJ
Threatray 8'277 similar samples on MalwareBazaar
TLSH T18D15063D19B91637D1B5C355EBE58423F148986FB404AEAA6CDE03A7034BA9734C723E
dhash icon ae53d212daccccca (8 x Formbook, 4 x AsyncRAT, 1 x NetWire)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL0039283.exe
Verdict:
Malicious activity
Analysis date:
2021-08-24 05:50:13 UTC
Tags:
trojan formbook
Link:
https://app.any.run/tasks/288611e6-3f5c-4599-8095-e3f736f23776

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/181719/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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/6c06ce44-6e43-49c5-acdb-5f8af51477bc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837970
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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 (e.g. based on Emerging Threat rules)
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 470401 Sample: DHL0039283.exe Startdate: 24/08/2021 Architecture: WINDOWS Score: 100 29 www.newlivingsolutionshop.com 2->29 31 shops.myshopify.com 2->31 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 8 other signatures 2->53 10 DHL0039283.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\DHL0039283.exe.log, ASCII 10->27 dropped 55 Tries to detect virtualization through RDTSC time measurements 10->55 57 Injects a PE file into a foreign processes 10->57 14 DHL0039283.exe 10->14         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 17 mstsc.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Tries to detect virtualization through RDTSC time measurements 17->43 23 cmd.exe 1 17->23         started        33 www.nedayerasa.com 20->33 35 www.manifestarz.com 20->35 37 manifestarz.com 34.102.136.180, 49718, 80 GOOGLEUS United States 20->37 45 System process connects to network (likely due to code injection or exploit) 20->45 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b38eadc0a59ed8405656c9445912f644724ed07ce9086e0183a6b086460f20e6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-23 01:19:14 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wohk3qfft3meavswzfcfsexwirze5ud45eeg4amdu2yimrqpedta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3ede9e9bdf0965f93b5351cc4be670b30934bc39aca24a3f3ac5f245f47c5073
Formbook
4ed49588d6356f63895a1674a3ab5351199e4c4a8af4c825cc7d2b7dd79bffbc
Formbook
65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463
Formbook
91cdb947644a5a802adac7583a79e7e560da38839489a02e7464730ff66fd004
Formbook
ab96b6ac9080fe40003b5259931da0e8fae1d5e57d602991d8bb06fa712bdd9b
Formbook
f8e8f64bb17ffb2fea18b7671602a76a8b5734607c7a7ae035dce8eed8381a74
Formbook
f8f02165547227a6692d503cf1203dcaf2d43b58219bb78cb0e42895f49a8121
Formbook
+ 8'267 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:kkt rat spyware stealer trojan
Link:
https://tria.ge/reports/210824-523ay7d9p2/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.hometowncashbuyersgroup.com/kkt/
Unpacked files
SH256 hash:
5f549d80c3029f9c2779f4b4742943413a7e555f866487e3178908270c8eeda1
MD5 hash:
77c3d2b13f2ea634e72951620143fa43
SHA1 hash:
f440f412d17d9df499c0aa0b524228752e4f5646
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7ac9a119-731b-44f4-bc01-2f8d32aacb13/
Parent samples :
75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132
65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463
ab96b6ac9080fe40003b5259931da0e8fae1d5e57d602991d8bb06fa712bdd9b
f8f02165547227a6692d503cf1203dcaf2d43b58219bb78cb0e42895f49a8121
4ed49588d6356f63895a1674a3ab5351199e4c4a8af4c825cc7d2b7dd79bffbc
b38eadc0a59ed8405656c9445912f644724ed07ce9086e0183a6b086460f20e6
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/7ac9a119-731b-44f4-bc01-2f8d32aacb13/
SH256 hash:
edfc2c41d6212515a9060e0cf5a406cdea35268f134784170d591106491e5fa9
MD5 hash:
2117b0ad8af8b146ceec114490d83797
SHA1 hash:
58aa8e2391024e752ac2787dc6b9bbd75f212558
Link:
https://www.unpac.me/results/7ac9a119-731b-44f4-bc01-2f8d32aacb13/
SH256 hash:
b38eadc0a59ed8405656c9445912f644724ed07ce9086e0183a6b086460f20e6
MD5 hash:
e326d1eac6386e9c4b427f8d321d5740
SHA1 hash:
2c268f4a18427a7d1cc42c2f4decf730d3ae16eb
Link:
https://www.unpac.me/results/7ac9a119-731b-44f4-bc01-2f8d32aacb13/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/b38eadc0a59ed8405656c9445912f644724ed07ce9086e0183a6b086460f20e6

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: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 b38eadc0a59ed8405656c9445912f644724ed07ce9086e0183a6b086460f20e6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/181719/

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