Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2024 00:02
Behavioral task
behavioral1
Sample
3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
Resource
win10v2004-20241007-en
General
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Target
3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
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Size
29KB
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MD5
3fe6c9bc6e41a0ecd575e1ce87de7900
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SHA1
783dba63188f6142c1e6201a6b6530b23be1f129
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SHA256
3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051
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SHA512
429e95a4440197c45daf122c6a5f9e064263de9fd2155f36a803aba0443255dbc1c72f8cc3c25c65cf9f8d2eb09097c3a575f9d21385d2211e3e77da69acf127
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/2:AEwVs+0jNDY1qi/qu
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral2/memory/532-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-119-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-152-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-159-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-178-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-215-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-251-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4152 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" 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/532-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0007000000023cbe-4.dat upx behavioral2/memory/4152-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4152-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4152-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4152-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4152-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4152-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4152-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4152-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4152-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d0000000219e5-53.dat upx behavioral2/memory/532-119-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4152-120-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-152-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4152-153-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4152-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-159-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4152-160-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-178-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4152-182-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-215-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4152-216-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-251-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4152-252-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe File created C:\Windows\services.exe 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe File opened for modification C:\Windows\java.exe 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.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 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 532 wrote to memory of 4152 532 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe 83 PID 532 wrote to memory of 4152 532 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe 83 PID 532 wrote to memory of 4152 532 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe"C:\Users\Admin\AppData\Local\Temp\3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532 -
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:4152
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
304B
MD5267ddfdbb8d492b25de208d84b290f1c
SHA19f57d9f19f25549e1232489a0c101a92e851de2f
SHA256ef1f87447ae1ab45548d2934cf0dbd15a32b86359ff9fccfa48d76c1badf6586
SHA5120709aa62d39d419d335183235dcf328e1dfe6997bd9bfbdeb01bb050df8dcab63ec2d4f46e4718ab389fa8e12af66dec2e3019c8871ac6e40927a25cb706c6b3
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
303B
MD5716cb7f5b783829c36e49996fc0bf627
SHA163471c20af48dd7052d63a695a12d86e2fc6871d
SHA2566ad9b32ca3ec43c9017ab8f11b6f82e7ed43083efddf1ef74a3165f778312b40
SHA512c3d126513cad64785ae5a16c5564cee6d7da1d26682d93d00a04937d9f98a89f54c74f5dda0c200c77f092fd8092db4f4f7a7a8544057eeb83d058f28fdf0346
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Filesize
29KB
MD5e8124bdcf480d3813fcc55428855979f
SHA1e507a4de56a1f762ae1eda036eaf9b96f2ef6541
SHA256b832ae28c22b7fb0ba55da19169c25944031438493b30b44d9dcd1d0aefcc810
SHA512453dc30122aa384e38ecc922287646c5b5f8eebe85801f4cdb4958b215706d75f7d199aad9dc9cbdeb870d564d053a75785616e8f636b525bf59252cd50e569d
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Filesize
320B
MD53e38c1a5c0899fc72686c9b23d648708
SHA1b4f88fbc05e278a0c37be9df4769942971ae1e39
SHA256dc7c0f02fbe80e566b598ea371281639c452e28b337b628dc943fd75089e9342
SHA5128c58d63700780e4f7390ba7707b1533a16d83894a23bf169ab2756850893aecf486a0a1ddcde5d049d0151f1eee5fb9a0fdb7af6984b47e7626570413533bf2e
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Filesize
320B
MD5304c0fc013088d554d49234fbd006309
SHA1186f4e3547edbff2ef48fce9ec62e7d70de9cbda
SHA256dd5730ddfa32ba6ea6798aeec246fb5bda0cc06cf097d8ba72c2ffa789d3b7d4
SHA512764887904311f7c514e694eacfe708b7ad497b199cb9f43fc1472ee8800e035a15ce118cf2a493a5997087f2d632b57d5bf37cfbb92a81e1fbe2e2e5ba45c2dc
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2