Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 12:28
Behavioral task
behavioral1
Sample
40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe
Resource
win10v2004-20241007-en
General
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Target
40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe
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Size
29KB
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MD5
e3eb9a3f37909fea9d135de25a666690
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SHA1
e2c3b9a0434cff8ca31c1c8728b71a58f4f4d5bf
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SHA256
40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248
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SHA512
663361befcd67a9f11ab8ff4cf1e092833af4cc9862cace888cc27fce6239dcfde7c278f3d01242500e3461d06a5cdf201e2d692fd416fd393dab833e07fbf06
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/thn:AEwVs+0jNDY1qi/q1F
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2392-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2392-31-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2392-57-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2392-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2392-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2392-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2420 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2392-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-4-0x0000000000230000-0x0000000000238000-memory.dmp upx behavioral1/files/0x00080000000164db-7.dat upx behavioral1/memory/2420-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-9-0x0000000000230000-0x0000000000238000-memory.dmp upx behavioral1/memory/2392-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2420-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-31-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2420-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-47.dat upx behavioral1/memory/2392-57-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2420-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2420-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2420-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2420-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-77-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe File opened for modification C:\Windows\java.exe 40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe File created C:\Windows\java.exe 40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2392 wrote to memory of 2420 2392 40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe 30 PID 2392 wrote to memory of 2420 2392 40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe 30 PID 2392 wrote to memory of 2420 2392 40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe 30 PID 2392 wrote to memory of 2420 2392 40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe"C:\Users\Admin\AppData\Local\Temp\40e3f6922da937112d3605474633ee784b0806c3adff06d4f4491c139ca68248.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2420
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5dd75bb70efd52792122d89f9b0569426
SHA10bd0f7737340ac6579cc9053cbe6ff38091b0c99
SHA2568eae73c388fd4ba37458e48d7b5844694825b3e3e197a1212881825efafa26ce
SHA512f0cd4945b0977e13abbe62598665889b9bd32b82d6d99d23cb4a5207d5abb8f9a25a3b4a21aee81c43849b792e9bfd1e16685302ae596ee42428a4ba878310fd
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Filesize
320B
MD57204c49882cc01108c15cfd3ac365cca
SHA158fc93a6b54eb3d7db69b02a0041a9f2135bdf4b
SHA25681af2d7ad82a45097d0996617fe0e27b01021d99867bc34587cc64a87a04704a
SHA512ec2295606d2494c1c8bd2e65c55a49e62103de2d5f2e25d3e80c66b6ab60404cb2b4be7c42c2ec425237db7fd37fd4afafdee689bc769fb08e40dad7baa5edb8
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Filesize
320B
MD54d5b4f9ee6a812e007e3d268072cdb00
SHA1cd3740d1495476b7289f4a52e03d7d555d983e66
SHA256ed2cf6f209dc7d56356cacf25cc603a5145e68c203d6158348ffa97536c56a96
SHA5124fd810aa8e8f87e000c7b73a0833d6e1b0ad7014e3037da9e24a18d14d90135b8829c2b23c55bf81a5c3f160cd0904188ec9d85d36bdea1c008dd56a30e18afa
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2