Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
11/11/2024, 12:48
Static task
static1
Behavioral task
behavioral1
Sample
ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe
Resource
win10v2004-20241007-en
General
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Target
ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe
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Size
86KB
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MD5
f1f34aeb533c8ae1bff028fd84738cc0
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SHA1
7e79e95e0111a865dab0469e90a9b09bcb461a44
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SHA256
ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95
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SHA512
ae331feb5a9160aad3c1d6883f4a793c87136e75741d74ec80e539352cfff7b305c20080cd7eef85fbd6a0fdfd2d4f1b7de53f4bb8ef13354a24ee5b29fd0bf0
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SSDEEP
1536:HAo0zj2d6rnJYulBJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01NR:HAoAliulHnJBSX1nV1b1N1Il1k1YFI1y
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2444 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2444 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2500 wrote to memory of 2444 2500 ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe 30 PID 2500 wrote to memory of 2444 2500 ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe 30 PID 2500 wrote to memory of 2444 2500 ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe 30 PID 2500 wrote to memory of 2444 2500 ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe"C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2444
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD590805c5a1f3f64dddb97d2d326604347
SHA1f49fbbaedf849cf83372344275f471c0fff465cf
SHA256590f3b9ec434927a88a8c03460076ca799b5e3936bdeec2e0cacc3d6fe491c21
SHA5122decd8a8bedaedd0395d3c36d0e73cde441db6209067d70aa7ccf86ec381089b179daf8e2b7329da92644bdf6901c297bc11418f0179106b22d7e291b9a49a5d