MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2661ac8c8a8e5db896935d7214c96181dff15dbf12f2051d86ce1a3a201c2dc. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1

SHA256 hash: e2661ac8c8a8e5db896935d7214c96181dff15dbf12f2051d86ce1a3a201c2dc
SHA3-384 hash: 49638a49244b442186af4e99113bed8ff7cce80867f45f5c305bc85659b1f32d2b6a6a92e98bfb05414ad8f50b39e318
SHA1 hash: 2ea125d54e2e722bd721a64fb54035671a908098
MD5 hash: a5f65b05737c4a3d800810f73c5118ed
humanhash: arizona-triple-march-football
File name:a5f65b05737c4a3d800810f73c5118ed
Download: download sample
Signature Formbook
File size:726'016 bytes
First seen:2022-06-06 12:41:17 UTC
Last seen:2022-06-06 13:58:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:T1G6SIcd1Aa13xn6rIVI+tcXyGLxjnxOqBvUDm8+cWfWX+yUPXmjmCQlL:ZGz0SBeIVITXyG1fvUDL+by+yRj9WL
TLSH T172F4016432AC4A58C66D83B65076C210433C7D26AB3DCB0E7AA7758E18F77818B15BF7
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 zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
338
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Purchase Order PO-1254_1.xlsx
Verdict:
Malicious activity
Analysis date:
2022-06-02 08:34:33 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed update.exe wacatac
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
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
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 639846 Sample: i32uCoJmoc Startdate: 06/06/2022 Architecture: WINDOWS Score: 100 39 www.uhfkt.xyz 2->39 41 www.comeoninc.xyz 2->41 43 parking.bodis.com 2->43 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 9 other signatures 2->57 9 i32uCoJmoc.exe 7 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\tjxpmZvxV.exe, PE32 9->31 dropped 33 C:\Users\...\tjxpmZvxV.exe:Zone.Identifier, ASCII 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmp63AB.tmp, XML 9->35 dropped 37 C:\Users\user\AppData\...\i32uCoJmoc.exe.log, ASCII 9->37 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 9->61 63 Adds a directory exclusion to Windows Defender 9->63 13 RegSvcs.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 13->71 73 Maps a DLL or memory area into another process 13->73 75 Sample uses process hollowing technique 13->75 77 2 other signatures 13->77 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 45 www.lychee.solutions 213.186.33.5, 49857, 80 OVHFR France 20->45 47 www.nicheperfumeonline.com 20->47 49 2 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 28 colorcpl.exe 20->28         started        signatures11 process12 signatures13 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67 69 Tries to detect virtualization through RDTSC time measurements 28->69
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-02 05:06:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:tgdh loader rat spyware stealer suricata
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
05df3a057874d73077d61ebb385b876a27c85f8c37ec961ddebfa991b112fbac
MD5 hash:
ac143a5d1502d9bee555007d9181f2b4
SHA1 hash:
db25a59e15925bbb46578fc7a4c19a79ab1e7a21
SH256 hash:
f84bec2329a64d14792a385d19d30e342704b85b00d473e99d05895205cbb4ab
MD5 hash:
3457e1246ddd6dc8263f7ecc994ecf41
SHA1 hash:
4853679a5c0541efa517ec8caa8325e38de0e30a
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
SH256 hash:
e2661ac8c8a8e5db896935d7214c96181dff15dbf12f2051d86ce1a3a201c2dc
MD5 hash:
a5f65b05737c4a3d800810f73c5118ed
SHA1 hash:
2ea125d54e2e722bd721a64fb54035671a908098
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe e2661ac8c8a8e5db896935d7214c96181dff15dbf12f2051d86ce1a3a201c2dc

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-06 12:41:25 UTC

url : hxxp://172.245.163.174/new/tDPxvryGw71CrcR.exe