MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b84878e7bdf4123a1c96713885956003153ed5a09570d168ea4f73f9ead64ff6. 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
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SHA256 hash: b84878e7bdf4123a1c96713885956003153ed5a09570d168ea4f73f9ead64ff6
SHA3-384 hash: 5cf6ffac5ca1bca6b894eb3052f0f09ec05c14e4e569005b736a9fea9be2dcbf4e6075f0c14eacfd059830d0abf07bc0
SHA1 hash: 9a34d2eb39ec8fdfb71fa60810ecd59be7bcf615
MD5 hash: 66e2d2ef253b38595484c9f2ba389762
humanhash: autumn-pizza-alanine-oxygen
File name:rSolicitudde_cotización.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:915'968 bytes
First seen:2023-02-22 15:48:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:/z1l4BP99IUSsm4HwHlUPOcbZkGuJikfXJxkb9Wc8tFbgQiJCtcu:/zyl9DSsmYPxuJi0xkbgHnbgQi
TLSH T125158B8BBAF0A077F89E519D063916CF1E31A253714CE2265F3B79488D8ADFBB1D8111
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)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
rSolicitudde_cotización.exe
Verdict:
Malicious activity
Analysis date:
2023-02-22 15:49:47 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b2678a62-7f02-45ee-bc67-64000bcb99c6

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/369095/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a process from a recently created file
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63f6396f5741abdfaa9e94a6/reports/47635322-9acd-464f-82e4-ccdef986d8de/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b84878e7bdf4123a1c96713885956003153ed5a09570d168ea4f73f9ead64ff6
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/16714ee9-ac69-4d95-9f0d-379ce2ceafed
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1180745
Signature
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b84878e7bdf4123a1c96713885956003153ed5a09570d168ea4f73f9ead64ff6/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2023-02-22 15:49:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 25 (64.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbehrz556qjduhewoe4ilflaamkt5vnasvync2hkj5z7t2wwj73a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230222-s9b72acd46/
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
86ff17abe4aa2f277162580251c35dddbf05d9d1196f5514a76bd4244514affd
MD5 hash:
d64365cda6c7deec6cad59370dca9510
SHA1 hash:
7d690c0f179bcd4c52b64bfe4333a77eb507f66c
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/29fddeb3-b60d-4be3-a9c9-9d5ecc1808d7/
Parent samples :
cef638f9ba310dfd22719a682dfe6ad1a07c06b122b54127e2a6257e9acc7752
3a83557cf45393e6008e0a885f79cb7f904f31d8cde2d42c227c1ce41e28b832
59093a397a33c5e55dea803f4f514c104e55e703b1d9ac102969217d9be6ae5c
4669b95ca73b3835e391016b48633970c1d25f4394bf4046b7eabaab725ad0d9
52659c067eae50044c3989655f17e58a6391c62a23bfb90de95574b119c72b80
3e924b372c019c41e9995a276ce5c1b1487d14ceb9fbc8d606a09a83df5989b8
d45e44065de0cb4b8d6580579480ada6c2bf13c7e10775f606ca7197f6d762e9
b84878e7bdf4123a1c96713885956003153ed5a09570d168ea4f73f9ead64ff6
SH256 hash:
a4e9c7187aac8a30b3e3218c8134a6989d3868cba805e648e82625cfdc050b65
MD5 hash:
f43705625790b837beccd1b0f50eabdc
SHA1 hash:
816728c8b18043c84653ccc91c019900aa67a373
Link:
https://www.unpac.me/results/29fddeb3-b60d-4be3-a9c9-9d5ecc1808d7/
SH256 hash:
9471ddbd5f4d4f211f12d06c9a4282db77744375aad61de951e2fccb9e1de848
MD5 hash:
ffcb541410eb38ce07442106e49323ba
SHA1 hash:
a39631d01af972263b77de1576b9b2bd8d09809e
Link:
https://www.unpac.me/results/29fddeb3-b60d-4be3-a9c9-9d5ecc1808d7/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/29fddeb3-b60d-4be3-a9c9-9d5ecc1808d7/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
b2dd5bcf9138720f9ffeca3b8aefa001e40b2dd879c1db3bb8e47281c3575f8e
MD5 hash:
301d49f143b4559eebb04d6604c9c806
SHA1 hash:
8e1065918d606bf77bf8d0fd3375de5c1e4ec0b3
Link:
https://www.unpac.me/results/29fddeb3-b60d-4be3-a9c9-9d5ecc1808d7/
SH256 hash:
822e844b81c1ff94b8d430a12fcb6081284e55208248b172bcb4afbecf5fc7c6
MD5 hash:
e1bd80a55c7fffa762f4e66add9f5531
SHA1 hash:
6aba0f228ef7c5c9876e0e392cfbba399bdc85bb
Link:
https://www.unpac.me/results/29fddeb3-b60d-4be3-a9c9-9d5ecc1808d7/
SH256 hash:
b84878e7bdf4123a1c96713885956003153ed5a09570d168ea4f73f9ead64ff6
MD5 hash:
66e2d2ef253b38595484c9f2ba389762
SHA1 hash:
9a34d2eb39ec8fdfb71fa60810ecd59be7bcf615
Link:
https://www.unpac.me/results/29fddeb3-b60d-4be3-a9c9-9d5ecc1808d7/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b84878e7bdf4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/b84878e7bdf4123a1c96713885956003153ed5a09570d168ea4f73f9ead64ff6

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 b84878e7bdf4123a1c96713885956003153ed5a09570d168ea4f73f9ead64ff6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/369095/

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