Analysis
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max time kernel
61s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
20-11-2020 07:52
Static task
static1
Behavioral task
behavioral1
Sample
4cdc3612052b8c79222cfea3bd26d201.exe
Resource
win7v20201028
General
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Target
4cdc3612052b8c79222cfea3bd26d201.exe
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Size
449KB
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MD5
4cdc3612052b8c79222cfea3bd26d201
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SHA1
3fd4af15b947f4f4eefc5992e1663d9029adddad
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SHA256
6e53f8abd9a57e4613e6afd1148f57dd6c7896c5c84b0ed05a8055b4e8d2fffa
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SHA512
f34afabb10e0a50f2904f3695ad9ba6c2bc469b851a145a1e9123f31f74757f61f3c5893ca2b2df14c11d2c6a7ae47fba75c4e74617c4cfa86d83d684632fe39
Malware Config
Signatures
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Loads dropped DLL 8 IoCs
Processes:
4cdc3612052b8c79222cfea3bd26d201.exepid process 1056 4cdc3612052b8c79222cfea3bd26d201.exe 1056 4cdc3612052b8c79222cfea3bd26d201.exe 1056 4cdc3612052b8c79222cfea3bd26d201.exe 1056 4cdc3612052b8c79222cfea3bd26d201.exe 1056 4cdc3612052b8c79222cfea3bd26d201.exe 1056 4cdc3612052b8c79222cfea3bd26d201.exe 1056 4cdc3612052b8c79222cfea3bd26d201.exe 1056 4cdc3612052b8c79222cfea3bd26d201.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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JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\nss3.dll js -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3320 timeout.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
4cdc3612052b8c79222cfea3bd26d201.execmd.exedescription pid process target process PID 1056 wrote to memory of 1368 1056 4cdc3612052b8c79222cfea3bd26d201.exe cmd.exe PID 1056 wrote to memory of 1368 1056 4cdc3612052b8c79222cfea3bd26d201.exe cmd.exe PID 1056 wrote to memory of 1368 1056 4cdc3612052b8c79222cfea3bd26d201.exe cmd.exe PID 1368 wrote to memory of 3320 1368 cmd.exe timeout.exe PID 1368 wrote to memory of 3320 1368 cmd.exe timeout.exe PID 1368 wrote to memory of 3320 1368 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4cdc3612052b8c79222cfea3bd26d201.exe"C:\Users\Admin\AppData\Local\Temp\4cdc3612052b8c79222cfea3bd26d201.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\4cdc3612052b8c79222cfea3bd26d201.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\nb98wqnehe8bw89hb\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
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\Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
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\Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
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\Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\mozglue.dllMD5
eae9273f8cdcf9321c6c37c244773139
SHA18378e2a2f3635574c106eea8419b5eb00b8489b0
SHA256a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc
SHA51206e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097
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\Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\nss3.dllMD5
02cc7b8ee30056d5912de54f1bdfc219
SHA1a6923da95705fb81e368ae48f93d28522ef552fb
SHA2561989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5
SHA5120d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5
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\Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\softokn3.dllMD5
4e8df049f3459fa94ab6ad387f3561ac
SHA106ed392bc29ad9d5fc05ee254c2625fd65925114
SHA25625a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871
SHA5123dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6
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\Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\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/1056-0-0x0000000003029000-0x000000000302A000-memory.dmpFilesize
4KB
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memory/1056-1-0x0000000004DB0000-0x0000000004DB1000-memory.dmpFilesize
4KB
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memory/1368-10-0x0000000000000000-mapping.dmp
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memory/3320-11-0x0000000000000000-mapping.dmp