8835997b22588e85d432a8cc2ebcbad6e087a20bae408a19b69b725ac9711d61

General

Target

55a2b427564b1336a6b0045f3f057f5f.exe
Size

133KB
MD5

55a2b427564b1336a6b0045f3f057f5f
SHA1

15c5f2b185e94a0257e5f99ef6885aad329858bf
SHA256

8835997b22588e85d432a8cc2ebcbad6e087a20bae408a19b69b725ac9711d61
SHA512

2995c6ea3fc5a253950c5e5e74bcd0e85ebef60b4a2a35537f64aeb9dd73553817c8c1253d7b78c2aa14ac51b52e9fd061d94732c733f7f02444cdbd8088a8bb
SSDEEP

3072:eX89Cuh53J6xrxzKZRlhK8SXKc8smcO28Z+jhjzQ:W895a5q7sX8sm5+jhvQ

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2496	55a2b427564b1336a6b0045f3f057f5f.exe

Executes dropped EXE 1 IoCs

pid	Process
2496	55a2b427564b1336a6b0045f3f057f5f.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2008-0-0x0000000000400000-0x0000000000486000-memory.dmp	upx
behavioral2/memory/2496-14-0x0000000000400000-0x0000000000486000-memory.dmp	upx

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	55a2b427564b1336a6b0045f3f057f5f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	55a2b427564b1336a6b0045f3f057f5f.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2008	55a2b427564b1336a6b0045f3f057f5f.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2008	55a2b427564b1336a6b0045f3f057f5f.exe
2496	55a2b427564b1336a6b0045f3f057f5f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2496	2008	55a2b427564b1336a6b0045f3f057f5f.exe	19
PID 2008 wrote to memory of 2496	2008	55a2b427564b1336a6b0045f3f057f5f.exe	19
PID 2008 wrote to memory of 2496	2008	55a2b427564b1336a6b0045f3f057f5f.exe	19

C:\Users\Admin\AppData\Local\Temp\55a2b427564b1336a6b0045f3f057f5f.exe
C:\Users\Admin\AppData\Local\Temp\55a2b427564b1336a6b0045f3f057f5f.exe
1⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
PID:2496

C:\Users\Admin\AppData\Local\Temp\55a2b427564b1336a6b0045f3f057f5f.exe
"C:\Users\Admin\AppData\Local\Temp\55a2b427564b1336a6b0045f3f057f5f.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
PID:908

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:5064

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

memory/908-69-0x0000017249660000-0x0000017249661000-memory.dmp

Filesize
4KB

Download
memory/908-70-0x0000017249660000-0x0000017249661000-memory.dmp

Filesize
4KB

Download
memory/908-71-0x0000017249770000-0x0000017249771000-memory.dmp

Filesize
4KB

Download
memory/908-35-0x0000017241240000-0x0000017241250000-memory.dmp

Filesize
64KB

Download
memory/908-51-0x0000017241340000-0x0000017241350000-memory.dmp

Filesize
64KB

Download
memory/908-67-0x0000017249630000-0x0000017249631000-memory.dmp

Filesize
4KB

Download
memory/2008-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

Filesize
132KB

Download
memory/2008-2-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2008-0-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2008-16-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2496-17-0x00000000001A0000-0x00000000001C1000-memory.dmp

Filesize
132KB

Download
memory/2496-34-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2496-14-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download

Analysis

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