MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec3aca205b55b422244e9d46cffe68348e1e6691fcf465495ca69a0f972ce1b3. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec3aca205b55b422244e9d46cffe68348e1e6691fcf465495ca69a0f972ce1b3
SHA3-384 hash: 6966147be0cbda2cdc28d94be3be6cf12f8289859d8ed5b03f6b25abfcbb8757ddf478ef01b89cae7ee463a1852ab382
SHA1 hash: fc51766f20b0dbb70a320a04ba1bd3e88f424730
MD5 hash: 5f60a785738e64680d666a52ca36640a
humanhash: one-tennis-fifteen-massachusetts
File name:Purchase Order.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:844'800 bytes
First seen:2023-03-16 15:07:09 UTC
Last seen:2023-03-17 07:43:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:DJQwcArpvx4oO31UsmZFU5pEMkweCDpKTDTzhQ:aop3OismZG5pxk5CoD
Threatray 2'256 similar samples on MalwareBazaar
TLSH T1BE05015DF6D8992AC40E0BB6949329244371D8276F52CF2BBCC954E61F12BFBD850AC3
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 8e0d8c1414e87f8e (7 x AgentTesla, 6 x Formbook, 4 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
223
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-03-16 15:07:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cac15d7c-773e-4f4f-b111-ae94850f9b94

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/374808/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/641330d306ce46e2c437426e/reports/e3facf60-dbf6-4cb7-919d-5300021f9869/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/ec3aca205b55b422244e9d46cffe68348e1e6691fcf465495ca69a0f972ce1b3
Result
Verdict:
UNKNOWN
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/3b86717b-734c-450c-91cb-190518fc0da7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1195089
Signature
Antivirus detection for URL or domain
Deletes itself after installation
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 domain / URL
Multi AV Scanner detection for submitted file
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 827991 Sample: Purchase_Order.pdf.exe Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 31 www.alphaeng.site 2->31 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 5 other signatures 2->41 9 Purchase_Order.pdf.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\Purchase_Order.pdf.exe.log, ASCII 9->23 dropped 51 Injects a PE file into a foreign processes 9->51 13 Purchase_Order.pdf.exe 9->13         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 4 6 13->16 injected process9 dnsIp10 25 www.abttt.win 103.49.248.170, 49706, 49707, 49708 POWERLINE-AS-APPOWERLINEDATACENTERHK China 16->25 27 www.alphaeng.site 154.221.27.190, 80 HKKFGL-AS-APHKKwaifongGroupLimitedHK Seychelles 16->27 29 3 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 msiexec.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Deletes itself after installation 20->47 49 2 other signatures 20->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec3aca205b55b422244e9d46cffe68348e1e6691fcf465495ca69a0f972ce1b3/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-16 08:29:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5q5muic3kw2cejcotvdm77tigshb4zur7t2gksk4u2na7fzm4gzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
12d38622f7319731f4ff01c6cd2cd7a9cf458658f6a7438e1d1d1f2a5c2edfe5
Formbook
4e76c680beb65149bcd635087a716ec03bbeed03d722482a959a3ddaa8671fc4
Formbook
5fe93d9730b1f7d667b106fb482894dcdc0aeeac61ab1c1f26227cb46c27c947
Formbook
6aae46140819f63ba6d8021f344c1e45fe751050aa6fa5d47e87711f4beb0e90
Formbook
76cded40cd51eeb98f734dafed6ac0b0562d847a48b5d42a9b55d11dd73f1d21
Formbook
81eeb17cfcd81f15427dcc3c88390712bfba7d19aa3f3e7e8d9ac43401456eb7
Formbook
a97aa6604d2ad5146a8ef252e571d4b0c1e2ee8566964be8086532ef049b10d4
Formbook
adaa96068e4072db205354abc3394d59db0cc04248c7ed3022f95da4efa94438
Formbook
e1556a1dda46c2e872e9a18f21d8cbbf8f71d0dd65094e9ec6cac22a9a1aa915
Formbook
f8942728742c053d4ea847b57494bc495dbe64d2aad58633fa7334d5538e1860
Formbook
+ 2'246 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230316-shwglabd63/
Behaviour
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
57c4f6f2a5ea3425c26f3f8a13f293f5834d08ffb95790e09a18b75e5f410db1
MD5 hash:
cda873c7959aaf02046ccb4b716831e0
SHA1 hash:
5abe8c3a743dca8ae6dadf6a4de1d107ab003523
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ab99a4a1-9cd7-44c9-a9e8-7bede7c960e1/
SH256 hash:
9b0a656ec7ab0e0687b385671ec677b76690c216e1f24a677a285dbe5e112e7b
MD5 hash:
22569b1a4af92681e1c325aa735910cf
SHA1 hash:
ae5d926e8c684fcd447eea01c7dc09bbe92a41aa
Link:
https://www.unpac.me/results/ab99a4a1-9cd7-44c9-a9e8-7bede7c960e1/
SH256 hash:
a64f638c494a33e2c27956175d267f094e49508200f136d4eb3ad435e5e2606f
MD5 hash:
c68123774cda97dab71095b225fc8bd4
SHA1 hash:
cfd3a8015a742d9b4d609c051d90583c538e346f
Link:
https://www.unpac.me/results/ab99a4a1-9cd7-44c9-a9e8-7bede7c960e1/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/ab99a4a1-9cd7-44c9-a9e8-7bede7c960e1/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
14c53b39031ecf1a9ceba3f6775e2c3aba4d4952c323191f63e91f427687c53c
MD5 hash:
9c8432dc7e803b996d6032ae2d6a18d0
SHA1 hash:
5d4fcf903e1ee6d89c08d0fb6ec4afd86e35dd16
Link:
https://www.unpac.me/results/ab99a4a1-9cd7-44c9-a9e8-7bede7c960e1/
SH256 hash:
022d8977b7d9244a15fba2b26dcdeab750306b3ff4a2180ee3dd4cc1651cc7d7
MD5 hash:
c94dcf6aca37bf30de2ff47475c54752
SHA1 hash:
3d41bc33a4a258c6a4202be5ef06db362a647bc7
Link:
https://www.unpac.me/results/ab99a4a1-9cd7-44c9-a9e8-7bede7c960e1/
SH256 hash:
ec3aca205b55b422244e9d46cffe68348e1e6691fcf465495ca69a0f972ce1b3
MD5 hash:
5f60a785738e64680d666a52ca36640a
SHA1 hash:
fc51766f20b0dbb70a320a04ba1bd3e88f424730
Link:
https://www.unpac.me/results/ab99a4a1-9cd7-44c9-a9e8-7bede7c960e1/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ec3aca205b55/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ec3aca205b55b422244e9d46cffe68348e1e6691fcf465495ca69a0f972ce1b3

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: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 ec3aca205b55b422244e9d46cffe68348e1e6691fcf465495ca69a0f972ce1b3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/374808/

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