Analysis
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max time kernel
31s -
max time network
134s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
21-07-2021 21:40
Static task
static1
Behavioral task
behavioral1
Sample
a03b02fddec9a527e5bd2ec6e17fbb3e.exe
Resource
win7v20210410
General
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Target
a03b02fddec9a527e5bd2ec6e17fbb3e.exe
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Size
506KB
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MD5
a03b02fddec9a527e5bd2ec6e17fbb3e
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SHA1
da6b0023136519a5b52ddab22227a31e84cdd927
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SHA256
0c66ab7992f278f1bbcc3256c2dc934b9e87247c2dfbe234a8d4c4800aef8e0f
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SHA512
61e5db4ae0b168f3d4b93326052f82f4d46f647d6de519530ac6ae9cf5134d0c2ce525d0304fdfe07ea0888c5fdf2eb8e7f08dfe759d77449cefb357273e72a4
Malware Config
Signatures
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Downloads MZ/PE file
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Loads dropped DLL 5 IoCs
Processes:
a03b02fddec9a527e5bd2ec6e17fbb3e.exepid process 1456 a03b02fddec9a527e5bd2ec6e17fbb3e.exe 1456 a03b02fddec9a527e5bd2ec6e17fbb3e.exe 1456 a03b02fddec9a527e5bd2ec6e17fbb3e.exe 1456 a03b02fddec9a527e5bd2ec6e17fbb3e.exe 1456 a03b02fddec9a527e5bd2ec6e17fbb3e.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2356 timeout.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
a03b02fddec9a527e5bd2ec6e17fbb3e.execmd.exedescription pid process target process PID 1456 wrote to memory of 3828 1456 a03b02fddec9a527e5bd2ec6e17fbb3e.exe cmd.exe PID 1456 wrote to memory of 3828 1456 a03b02fddec9a527e5bd2ec6e17fbb3e.exe cmd.exe PID 1456 wrote to memory of 3828 1456 a03b02fddec9a527e5bd2ec6e17fbb3e.exe cmd.exe PID 3828 wrote to memory of 2356 3828 cmd.exe timeout.exe PID 3828 wrote to memory of 2356 3828 cmd.exe timeout.exe PID 3828 wrote to memory of 2356 3828 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a03b02fddec9a527e5bd2ec6e17fbb3e.exe"C:\Users\Admin\AppData\Local\Temp\a03b02fddec9a527e5bd2ec6e17fbb3e.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\a03b02fddec9a527e5bd2ec6e17fbb3e.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\mozglue.dllMD5
eae9273f8cdcf9321c6c37c244773139
SHA18378e2a2f3635574c106eea8419b5eb00b8489b0
SHA256a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc
SHA51206e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\nss3.dllMD5
02cc7b8ee30056d5912de54f1bdfc219
SHA1a6923da95705fb81e368ae48f93d28522ef552fb
SHA2561989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5
SHA5120d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\softokn3.dllMD5
4e8df049f3459fa94ab6ad387f3561ac
SHA106ed392bc29ad9d5fc05ee254c2625fd65925114
SHA25625a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871
SHA5123dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6
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\Users\Admin\AppData\LocalLow\sqlite3.dllMD5
f964811b68f9f1487c2b41e1aef576ce
SHA1b423959793f14b1416bc3b7051bed58a1034025f
SHA25683bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7
SHA512565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4
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memory/1456-114-0x0000000004840000-0x00000000048D1000-memory.dmpFilesize
580KB
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memory/1456-115-0x0000000000400000-0x0000000002BC2000-memory.dmpFilesize
39.8MB
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memory/2356-122-0x0000000000000000-mapping.dmp
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memory/3828-121-0x0000000000000000-mapping.dmp