Overview
overview
10Static
static
10Challenge_...m.docx
windows7-x64
4Challenge_...m.docx
windows10-2004-x64
5Challenge_...1.docx
windows7-x64
4Challenge_...1.docx
windows10-2004-x64
1Challenge_...y.docx
windows7-x64
4Challenge_...y.docx
windows10-2004-x64
1Challenge_...1.docx
windows7-x64
4Challenge_...1.docx
windows10-2004-x64
1tools/numb...ing.py
ubuntu-18.04-amd64
1tools/numb...ing.py
debian-9-armhf
1tools/numb...ing.py
debian-9-mips
1tools/numb...ing.py
debian-9-mipsel
1decoder_add1.py
ubuntu-18.04-amd64
1decoder_add1.py
debian-9-armhf
1decoder_add1.py
debian-9-mips
1decoder_add1.py
debian-9-mipsel
1decoder_ah.py
ubuntu-18.04-amd64
1decoder_ah.py
debian-9-armhf
1decoder_ah.py
debian-9-mips
1decoder_ah.py
debian-9-mipsel
1decoder_chr.py
ubuntu-18.04-amd64
1decoder_chr.py
debian-9-armhf
1decoder_chr.py
debian-9-mips
1decoder_chr.py
debian-9-mipsel
1decoder_rol1.py
ubuntu-18.04-amd64
1decoder_rol1.py
debian-9-armhf
1decoder_rol1.py
debian-9-mips
1decoder_rol1.py
debian-9-mipsel
1decoder_xor1.py
ubuntu-18.04-amd64
1decoder_xor1.py
debian-9-armhf
1decoder_xor1.py
debian-9-mips
1decoder_xor1.py
debian-9-mipsel
1Analysis
-
max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
24-07-2023 22:32
Static task
static1
Behavioral task
behavioral1
Sample
Challenge_FIles/Employee_W2_Form.docx
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Challenge_FIles/Employee_W2_Form.docx
Resource
win10v2004-20230703-en
Behavioral task
behavioral3
Sample
Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx
Resource
win7-20230712-en
Behavioral task
behavioral4
Sample
Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx
Resource
win10v2004-20230703-en
Behavioral task
behavioral5
Sample
Challenge_FIles/Work_From_Home_Survey.docx
Resource
win7-20230712-en
Behavioral task
behavioral6
Sample
Challenge_FIles/Work_From_Home_Survey.docx
Resource
win10v2004-20230703-en
Behavioral task
behavioral7
Sample
Challenge_FIles/income_tax_and_benefit_return_2021.docx
Resource
win7-20230712-en
Behavioral task
behavioral8
Sample
Challenge_FIles/income_tax_and_benefit_return_2021.docx
Resource
win10v2004-20230703-en
Behavioral task
behavioral9
Sample
tools/numbers-to-string.py
Resource
ubuntu1804-amd64-20230621-en
Behavioral task
behavioral10
Sample
tools/numbers-to-string.py
Resource
debian9-armhf-20221111-en
Behavioral task
behavioral11
Sample
tools/numbers-to-string.py
Resource
debian9-mipsbe-en-20211208
Behavioral task
behavioral12
Sample
tools/numbers-to-string.py
Resource
debian9-mipsel-20221125-en
Behavioral task
behavioral13
Sample
decoder_add1.py
Resource
ubuntu1804-amd64-20230621-en
Behavioral task
behavioral14
Sample
decoder_add1.py
Resource
debian9-armhf-en-20211208
Behavioral task
behavioral15
Sample
decoder_add1.py
Resource
debian9-mipsbe-20221111-en
Behavioral task
behavioral16
Sample
decoder_add1.py
Resource
debian9-mipsel-20221125-en
Behavioral task
behavioral17
Sample
decoder_ah.py
Resource
ubuntu1804-amd64-20230712-en
Behavioral task
behavioral18
Sample
decoder_ah.py
Resource
debian9-armhf-20221111-en
Behavioral task
behavioral19
Sample
decoder_ah.py
Resource
debian9-mipsbe-20221125-en
Behavioral task
behavioral20
Sample
decoder_ah.py
Resource
debian9-mipsel-en-20211208
Behavioral task
behavioral21
Sample
decoder_chr.py
Resource
ubuntu1804-amd64-20230621-en
Behavioral task
behavioral22
Sample
decoder_chr.py
Resource
debian9-armhf-20221125-en
Behavioral task
behavioral23
Sample
decoder_chr.py
Resource
debian9-mipsbe-en-20211208
Behavioral task
behavioral24
Sample
decoder_chr.py
Resource
debian9-mipsel-20221111-en
Behavioral task
behavioral25
Sample
decoder_rol1.py
Resource
ubuntu1804-amd64-20230621-en
Behavioral task
behavioral26
Sample
decoder_rol1.py
Resource
debian9-armhf-en-20211208
Behavioral task
behavioral27
Sample
decoder_rol1.py
Resource
debian9-mipsbe-20221111-en
Behavioral task
behavioral28
Sample
decoder_rol1.py
Resource
debian9-mipsel-20221125-en
Behavioral task
behavioral29
Sample
decoder_xor1.py
Resource
ubuntu1804-amd64-20230712-en
Behavioral task
behavioral30
Sample
decoder_xor1.py
Resource
debian9-armhf-en-20211208
Behavioral task
behavioral31
Sample
decoder_xor1.py
Resource
debian9-mipsbe-20221125-en
Behavioral task
behavioral32
Sample
decoder_xor1.py
Resource
debian9-mipsel-20221111-en
General
-
Target
Challenge_FIles/income_tax_and_benefit_return_2021.docx
-
Size
23KB
-
MD5
55998cb43459159a5ed4511f00ff3fc8
-
SHA1
9bec2182cc5b41fe8783bb7ab6e577bac5c19f04
-
SHA256
d0e1f97dbe2d0af9342e64d460527b088d85f96d38b1d1d4aa610c0987dca745
-
SHA512
8f04951f9efb5acdad0a625d9f63154089d552fe4281ca53a759cc0a0468b8d9c76af863e34ed6e00802225a4408bcda1110a6efce30357e6173973ea5bf7838
-
SSDEEP
384:Q6UDg00MWEg9fPCPyH111/elBqhveoNHfn5yAehqbhtgyhdCxi556BjsbIwRq:QcMWE04uebyvNv5yHcttg6dwc5YQb5w
Malware Config
Signatures
-
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Office loads VBA resources, possible macro or embedded object present
-
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 2676 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
WINWORD.EXEpid process 2676 WINWORD.EXE 2676 WINWORD.EXE 2676 WINWORD.EXE
Processes
-
C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\income_tax_and_benefit_return_2021.docx"1⤵
- Drops file in Windows directory
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2676
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
20KB
MD5503384b0a02cdc570cbc62db5bc38f73
SHA1c14e95303b8517401b6caad5328d51b6bd24dca2
SHA256e130f914d8a793db0c5fd429b2bf6fac95986ded2d7e40a7d19eab01a49d2da6
SHA512d47163dd7838b666f1562f10808f748bf28b354189cb5bf5e7b394d9d0e6494ff9b940171713b298376d6cb48097b907346d421a9be3278c7f23addae2202c46