Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-12-2023 16:50
Static task
static1
Behavioral task
behavioral1
Sample
2e849a574460fe68874890383215794a.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2e849a574460fe68874890383215794a.exe
Resource
win10v2004-20231215-en
General
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Target
2e849a574460fe68874890383215794a.exe
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Size
152KB
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MD5
2e849a574460fe68874890383215794a
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SHA1
c0e59189de972798066f90d5479d07d51223deaf
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SHA256
86499a027097fab79eb111648602a3a4a3544802fd0412c865a3a40df4db7009
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SHA512
8cf80d4479d2262419807a1ffaa08e96b54438b388151c3bc8b38f8b2f06a2759be4dc8bf93fc336b6773b0122f8df2b9707bc352c9ccca8c3207f8b3807465e
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SSDEEP
1536:oC2dJ8sPEoVT2TX5txNffVSsWq8I4OvIj5dwUVP5TEalk+hMQrZgOUgW7TFAAXWU:ocIp2TX3fVSsQOv4kUV2eU0xSZu
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2700 msa.exe -
resource yara_rule behavioral1/memory/2700-9-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2000-7134-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-20259-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2000-25727-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-36818-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38536-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38539-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38540-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38541-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38542-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38543-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38544-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38545-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38546-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38547-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38548-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral1/memory/2700-38549-0x0000000000400000-0x000000000046A000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\MediaSolaris = "C:\\Windows\\msa.exe" msa.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\msa.exe 2e849a574460fe68874890383215794a.exe File created C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job 2e849a574460fe68874890383215794a.exe File opened for modification C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job 2e849a574460fe68874890383215794a.exe File created C:\Windows\msa.exe 2e849a574460fe68874890383215794a.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\International msa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2000 2e849a574460fe68874890383215794a.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe 2700 msa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2000 wrote to memory of 2700 2000 2e849a574460fe68874890383215794a.exe 28 PID 2000 wrote to memory of 2700 2000 2e849a574460fe68874890383215794a.exe 28 PID 2000 wrote to memory of 2700 2000 2e849a574460fe68874890383215794a.exe 28 PID 2000 wrote to memory of 2700 2000 2e849a574460fe68874890383215794a.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2e849a574460fe68874890383215794a.exe"C:\Users\Admin\AppData\Local\Temp\2e849a574460fe68874890383215794a.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\msa.exeC:\Windows\msa.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
344B
MD5c78797173bcc90f18ad07cfd066f86e8
SHA12a264037992aa9283fb982eb31310130f14eecea
SHA256f45ab192e8ec7cf74197dd1c16f6072dc7cc2e220a7073d4e3014617da91706b
SHA512b5c5ad96799fc0f277ae555188e9e653f41f71dd042abf68f142342c80d43aed5fd410c6fa19a9322b2a4e9e855ea8b4d219598a3df4fcac9ede80e89a0b09d6
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Filesize
152KB
MD52e849a574460fe68874890383215794a
SHA1c0e59189de972798066f90d5479d07d51223deaf
SHA25686499a027097fab79eb111648602a3a4a3544802fd0412c865a3a40df4db7009
SHA5128cf80d4479d2262419807a1ffaa08e96b54438b388151c3bc8b38f8b2f06a2759be4dc8bf93fc336b6773b0122f8df2b9707bc352c9ccca8c3207f8b3807465e