Analysis
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max time kernel
172s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-01-2023 21:30
Static task
static1
Behavioral task
behavioral1
Sample
3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe
Resource
win7-20221111-en
General
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Target
3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe
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Size
147KB
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MD5
a33390dc8b84abe30014c46d0f9353cc
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SHA1
efbd6b925d943a5973d508acafbe8d5e1a3a9818
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SHA256
3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198
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SHA512
15f40830c7847475fe959553bd375c66a994369fb01bed0e983e0b0c8ebe710963b232331bbad90aa384e5e184a5df92711ad8c91edf1880672c7428890e6b81
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SSDEEP
3072:I3QT8B4Sv0tElYY28Ts2gawnHv28ifsPUAbGdZd:nTsx08PFYvS
Malware Config
Extracted
limerat
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aes_key
IRj3SceatjDfweW/qMMw7g==
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antivm
false
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c2_url
https://pastebin.com/raw/Pzx225ZB
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delay
3
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download_payload
false
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install
true
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install_name
Audio Realtek Driver.exe
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main_folder
AppData
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pin_spread
true
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sub_folder
\Audio Realtek Driver\
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usb_spread
false
Signatures
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Suspicious use of SetThreadContext 1 IoCs
Processes:
3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exedescription pid Process procid_target PID 1068 set thread context of 1104 1068 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 28 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
dw20.exepid Process 1184 dw20.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exedescription pid Process procid_target PID 1068 wrote to memory of 1104 1068 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 28 PID 1068 wrote to memory of 1104 1068 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 28 PID 1068 wrote to memory of 1104 1068 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 28 PID 1068 wrote to memory of 1104 1068 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 28 PID 1068 wrote to memory of 1104 1068 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 28 PID 1068 wrote to memory of 1104 1068 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 28 PID 1068 wrote to memory of 1104 1068 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 28 PID 1068 wrote to memory of 1104 1068 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 28 PID 1104 wrote to memory of 1184 1104 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 29 PID 1104 wrote to memory of 1184 1104 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 29 PID 1104 wrote to memory of 1184 1104 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 29 PID 1104 wrote to memory of 1184 1104 3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe"C:\Users\Admin\AppData\Local\Temp\3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Users\Admin\AppData\Local\Temp\3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe"C:\Users\Admin\AppData\Local\Temp\3d604bb259762a9bd3e000cdb0519abc1f852cdca1fe558f49733373f3e23198.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 3923⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:1184
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