21586cca9b0bfc2ab68a99fb6fc701971522d9c1d2df2569acca7726df25c190

General

Target

598479f169f3bc1670c3cd71d3813451.exe
Size

605KB
MD5

598479f169f3bc1670c3cd71d3813451
SHA1

779a88a9907776fdf430d2d7bba418d1c9ea0068
SHA256

21586cca9b0bfc2ab68a99fb6fc701971522d9c1d2df2569acca7726df25c190
SHA512

fa4efb7b7091acb50f16dc33548a97ad5d02007f24711adb901939cbb78c8c76cf4b7b7f5a27d30ecf46d69f1f96fb9d1e3fa6666d29841538190c6907eac504
SSDEEP

12288:S2tNQvZIc3gdJWCFGmba4wvPqTzz++xPeWQm:SxIcwuktTzqjWX

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3040	598479f169f3bc1670c3cd71d3813451.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	598479f169f3bc1670c3cd71d3813451.exe

Loads dropped DLL 1 IoCs

pid	Process
2972	598479f169f3bc1670c3cd71d3813451.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2972-0-0x0000000000400000-0x00000000004E0000-memory.dmp	upx
behavioral1/files/0x000c0000000122c4-11.dat	upx
behavioral1/files/0x000c0000000122c4-14.dat	upx
behavioral1/memory/2972-16-0x0000000000260000-0x0000000000340000-memory.dmp	upx

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	598479f169f3bc1670c3cd71d3813451.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	598479f169f3bc1670c3cd71d3813451.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	598479f169f3bc1670c3cd71d3813451.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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	598479f169f3bc1670c3cd71d3813451.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2972	598479f169f3bc1670c3cd71d3813451.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2972	598479f169f3bc1670c3cd71d3813451.exe
3040	598479f169f3bc1670c3cd71d3813451.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 3040	2972	598479f169f3bc1670c3cd71d3813451.exe	29
PID 2972 wrote to memory of 3040	2972	598479f169f3bc1670c3cd71d3813451.exe	29
PID 2972 wrote to memory of 3040	2972	598479f169f3bc1670c3cd71d3813451.exe	29
PID 2972 wrote to memory of 3040	2972	598479f169f3bc1670c3cd71d3813451.exe	29

C:\Users\Admin\AppData\Local\Temp\598479f169f3bc1670c3cd71d3813451.exe
"C:\Users\Admin\AppData\Local\Temp\598479f169f3bc1670c3cd71d3813451.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\598479f169f3bc1670c3cd71d3813451.exe
  C:\Users\Admin\AppData\Local\Temp\598479f169f3bc1670c3cd71d3813451.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:3040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\598479f169f3bc1670c3cd71d3813451.exe

Filesize
605KB

MD5
3c5f7c1afe7271afa088f8384ee7903d

SHA1
7258a9721dca535610a8f9f15f79725d250a4f08

SHA256
c6887e97bca8e170bb44ea1ff6e83d5273eb836a524886ab6c78a156d96cda1d

SHA512
25b06fe3f69225b4ad4adc600d960691d67553271e53ee789800a373f1216e490cce5e294f3a5c4f853a7a14a65f2cfbfc03945ccc682e3364a9d891cc872df2

Download Submit
\Users\Admin\AppData\Local\Temp\598479f169f3bc1670c3cd71d3813451.exe

Filesize
458KB

MD5
be8c19058ce7c341ba2073a185a9e750

SHA1
099c9f3a17628543f83f09940b5393d96926f3e2

SHA256
a902bcbc9e9f4ee12997c4dedb59bf6e6903e7c801ba855e0f18b3ad94d79559

SHA512
49b55525df82cef1b0b02e00478dbd737bdc52b142e4a6c1cd8fedd353d1ad9cf68bf1138c750209c50f1307a9cfbe62a005e56c5787dfa1b78a919970f010ca

Download Submit
memory/2972-0-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/2972-1-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2972-9-0x0000000000160000-0x0000000000191000-memory.dmp

Filesize
196KB

Download
memory/2972-16-0x0000000000260000-0x0000000000340000-memory.dmp

Filesize
896KB

Download
memory/2972-15-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/3040-19-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/3040-21-0x0000000000160000-0x0000000000191000-memory.dmp

Filesize
196KB

Download
memory/3040-35-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download

Analysis

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