MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e93a3705834cefd962e4dc4c2062e37e9ea42b9819cf11017857f5e36225d413. 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 2 File information Comments
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SHA256 hash: e93a3705834cefd962e4dc4c2062e37e9ea42b9819cf11017857f5e36225d413
SHA3-384 hash: 804c1afa31da29f05b36e14e947c8c0bf21a402513cbb36896f00d1cc3100bad07250e1817d8b2d135540766ed586d7c
SHA1 hash: a379869ead2d8209f61ac176732122d07e3acf3f
MD5 hash: ba0e7d24cba6c09f336dea4166021e2b
humanhash: blue-sixteen-freddie-river
File name:Paymemt Slip NO CU 457909.png.cab
Download: download sample
Signature Formbook
Create hunting rule
File size:967'168 bytes
First seen:2021-03-24 06:14:24 UTC
Last seen:2021-03-24 08:01:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:0gXc+0SJfcjtf4z5mUaLuDtpHdYKqYAyPenX:Ymz55dHO
Threatray 4'355 similar samples on MalwareBazaar
TLSH 4725D58C5D9EC1CAC6350BB842DEC9EA46EA5FF30F22887AB5C857C7C522741F50A935
Reporter cocaman
Tags:cab FormBook


Avatar
cocaman
Malicious email (T1566.001)
From: ""CHEN"<mhaznedar@dilaco.com>" (likely spoofed)
Received: "from dilaco.com (unknown [203.159.80.8]) "
Date: "24 Mar 2021 02:01:44 +0100"
Subject: "Payment delay"
Attachment: "Paymemt Slip NO CU 457909.png.cab"

Intelligence

File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Paymemt Slip NO CU 457909.png.cab
Verdict:
Malicious activity
Analysis date:
2021-03-24 06:14:44 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1196f684-d2ae-4ebc-907f-ebf14e99298c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.598.866.16879.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/651615
Signature
Antivirus detection for URL or domain
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 374756 Sample: Paymemt Slip NO CU 457909.png.cab Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 13 other signatures 2->58 10 Paymemt Slip NO CU 457909.png.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\...\hOemBbPHVm.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpC04A.tmp, XML 10->40 dropped 42 C:\...\Paymemt Slip NO CU 457909.png.exe.log, ASCII 10->42 dropped 13 Paymemt Slip NO CU 457909.png.exe 10->13         started        16 schtasks.exe 1 10->16         started        process5 signatures6 70 Modifies the context of a thread in another process (thread injection) 13->70 72 Maps a DLL or memory area into another process 13->72 74 Sample uses process hollowing technique 13->74 76 Queues an APC in another process (thread injection) 13->76 18 explorer.exe 13->18 injected 22 conhost.exe 16->22         started        process7 dnsIp8 46 www.aboutrecipes.info 183.90.238.53, 49754, 49755, 49756 SAKURA-CSAKURAInternetIncJP Japan 18->46 48 www.anleizhifu.com 156.227.53.211, 80 ITACE-AS-APItaceInternationalLimitedHK Seychelles 18->48 50 3 other IPs or domains 18->50 60 System process connects to network (likely due to code injection or exploit) 18->60 24 mstsc.exe 18 18->24         started        signatures9 process10 file11 34 C:\Users\user\AppData\...\928logrv.ini, data 24->34 dropped 36 C:\Users\user\AppData\...\928logri.ini, data 24->36 dropped 62 Detected FormBook malware 24->62 64 Tries to steal Mail credentials (via file access) 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 68 3 other signatures 24->68 28 cmd.exe 2 24->28         started        signatures12 process13 file14 44 C:\Users\user\AppData\Local\Temp\DB1, SQLite 28->44 dropped 78 Tries to harvest and steal browser information (history, passwords, etc) 28->78 32 conhost.exe 28->32         started        signatures15 process16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e93a3705834cefd962e4dc4c2062e37e9ea42b9819cf11017857f5e36225d413/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-23 23:37:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5e5dobmdjtx5syxe3rgcayxdp2pkik4ydhhrcalyk726gyrf2qjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
1d03cbad439f831d0cdd34e444ef7d054fc46370025a2ee70a29abc50a178cd4
Formbook
5455b443ff5876acc7f13248570814b58e402911e049c1c3c1b1f6b9ac28ca95
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
7e0c1f10cfd225b16e83ecf7bc37a782441b8a96225fff827572bc3a81421bb9
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
b7d74de8e9514ca3fbfa4676be4433069bc913f86953a79d40c6272d5077242c
Formbook
ebb6267e5c3bf10ec8ccba29d6fd2c7b747cef8b758db1544caf9edc7f117d7b
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
+ 4'345 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210324-24vmf6kc6x/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.gloomyca.com/chue/
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/fe5f94f3-bc10-4d80-bcbf-c298f0fb145b/
SH256 hash:
e93a3705834cefd962e4dc4c2062e37e9ea42b9819cf11017857f5e36225d413
MD5 hash:
ba0e7d24cba6c09f336dea4166021e2b
SHA1 hash:
a379869ead2d8209f61ac176732122d07e3acf3f
Link:
https://www.unpac.me/results/fe5f94f3-bc10-4d80-bcbf-c298f0fb145b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Starter
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e93a3705834cefd962e4dc4c2062e37e9ea42b9819cf11017857f5e36225d413

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo

File information

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

Malspam

Formbook

Executable exe e93a3705834cefd962e4dc4c2062e37e9ea42b9819cf11017857f5e36225d413

(this sample)

  
Delivery method
Distributed via e-mail attachment

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