1868d031ba42f5f9b2f176f218647509ebcbf1171ed0da75a594a26744d03d9a

Analysis

max time kernel
91s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
27-05-2022 11:30

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General

Target

Swift Copy05262020.pdf.exe
Size

342KB
MD5

8380afc6e34fe722c9e16f6ee797bab8
SHA1

5dd6c2103053372286d09b6fdb374c1d43e23a4f
SHA256

1868d031ba42f5f9b2f176f218647509ebcbf1171ed0da75a594a26744d03d9a
SHA512

e6097dc8b5a633e0d9d8798ea1366338b7a1d64f822907c4ce5b5f9e6029438c578cb559731cdef87ad54a09f6890d76df73f2f1745248a05e18879cf782c39c

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rtjwekgkjm.exe

pid process

4456 rtjwekgkjm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
4456	rtjwekgkjm.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Swift Copy05262020.pdf.exertjwekgkjm.exe

description	pid	process	target process
PID 4556 wrote to memory of 4456	4556	Swift Copy05262020.pdf.exe	rtjwekgkjm.exe
PID 4556 wrote to memory of 4456	4556	Swift Copy05262020.pdf.exe	rtjwekgkjm.exe
PID 4556 wrote to memory of 4456	4556	Swift Copy05262020.pdf.exe	rtjwekgkjm.exe
PID 4456 wrote to memory of 4168	4456	rtjwekgkjm.exe	rtjwekgkjm.exe
PID 4456 wrote to memory of 4168	4456	rtjwekgkjm.exe	rtjwekgkjm.exe
PID 4456 wrote to memory of 4168	4456	rtjwekgkjm.exe	rtjwekgkjm.exe

C:\Users\Admin\AppData\Local\Temp\Swift Copy05262020.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy05262020.pdf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4556

C:\Users\Admin\AppData\Local\Temp\rtjwekgkjm.exe
C:\Users\Admin\AppData\Local\Temp\rtjwekgkjm.exe C:\Users\Admin\AppData\Local\Temp\jnianqsz
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4456

C:\Users\Admin\AppData\Local\Temp\rtjwekgkjm.exe
C:\Users\Admin\AppData\Local\Temp\rtjwekgkjm.exe C:\Users\Admin\AppData\Local\Temp\jnianqsz
3⤵
PID:4168

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4263sbwwg1i7i
Filesize
171KB

MD5
adafc1bd6fedbe5f73992bbf31f44991

SHA1
05b1f01d53016cac49c99e3255a015c3a8feefee

SHA256
39b7450d35e9b44a8e1a8b8bf69fed60a99532191600911a9018999b374b4989

SHA512
3248e472eeefa02a8652995fe2a016cd97e62e28655aacecadc56529845afcd4ba5b6cbd99ff9f4b281c27282429a749f2c226d2cb841321a0d8ca76ab186a88

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C:\Users\Admin\AppData\Local\Temp\jnianqsz
Filesize
4KB

MD5
52f6fa9d66c85265d119cd735e446a33

SHA1
26eb6660ee34dc8baec4323296780fc53f652f34

SHA256
846e9ed6719f5fe6a44a25eaa9861674fed55ff1ece516c1ccc5ad5b45899608

SHA512
193d343db465b5c79fca0606316336cda81785eac4ceb1cd65d9301a94cd188a9b3bf9c2ec8b4ae70e7ef3db66940fcda015600706e28ead8778c8462259b194

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C:\Users\Admin\AppData\Local\Temp\rtjwekgkjm.exe
Filesize
187KB

MD5
51cd1475dac44b90ecd715ee289848ba

SHA1
9660741ad44c4ec69abc62891bbb0aa462001d1f

SHA256
88c512b70e574231d68f24689249cb30c359ea192ee667c8840c4146f7218993

SHA512
541048bbbaaa14a92bf3ab7921d61ac96f335c76705ba834860ffecb88176551f16111337fb8622ce4d67fd6574d49ca7f7484db6d7567a8aa626b5ab2af3f7d

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C:\Users\Admin\AppData\Local\Temp\rtjwekgkjm.exe
Filesize
187KB

MD5
51cd1475dac44b90ecd715ee289848ba

SHA1
9660741ad44c4ec69abc62891bbb0aa462001d1f

SHA256
88c512b70e574231d68f24689249cb30c359ea192ee667c8840c4146f7218993

SHA512
541048bbbaaa14a92bf3ab7921d61ac96f335c76705ba834860ffecb88176551f16111337fb8622ce4d67fd6574d49ca7f7484db6d7567a8aa626b5ab2af3f7d

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memory/4168-135-0x0000000000000000-mapping.dmp

Download
memory/4456-130-0x0000000000000000-mapping.dmp

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