145232f1985f43ad9ddd62f94356021595fe8d11a225a18e980f0e637dfc04cc

General

Target

40b7fd74f56258a845275f8e58194e04.exe
Size

385KB
MD5

40b7fd74f56258a845275f8e58194e04
SHA1

6de988cfddea856b0cee77ebb66b10b3ffa8e4e0
SHA256

145232f1985f43ad9ddd62f94356021595fe8d11a225a18e980f0e637dfc04cc
SHA512

6ebdcd8daa82d135fac8890d5177ff3b740d4c1eb1f94d9ed475e6fdb6f07523265d52c72fe691cfcb296cb244cb9cc0315b2f071716665edb09e3266553f85e
SSDEEP

6144:D9HzHmWp7sucnJFRGQydsBvydPRhE5QAN/A/EyBRDJnv/r4RPeof2Dcu0Qd7cgrB:lzHvxcnVkshydPo21RDiR/Q+chrB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2580	40b7fd74f56258a845275f8e58194e04.exe

Executes dropped EXE 1 IoCs

pid	Process
2580	40b7fd74f56258a845275f8e58194e04.exe

Loads dropped DLL 1 IoCs

pid	Process
2560	40b7fd74f56258a845275f8e58194e04.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	40b7fd74f56258a845275f8e58194e04.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	40b7fd74f56258a845275f8e58194e04.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	40b7fd74f56258a845275f8e58194e04.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2560	40b7fd74f56258a845275f8e58194e04.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2560	40b7fd74f56258a845275f8e58194e04.exe
2580	40b7fd74f56258a845275f8e58194e04.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2580	2560	40b7fd74f56258a845275f8e58194e04.exe	29
PID 2560 wrote to memory of 2580	2560	40b7fd74f56258a845275f8e58194e04.exe	29
PID 2560 wrote to memory of 2580	2560	40b7fd74f56258a845275f8e58194e04.exe	29
PID 2560 wrote to memory of 2580	2560	40b7fd74f56258a845275f8e58194e04.exe	29

C:\Users\Admin\AppData\Local\Temp\40b7fd74f56258a845275f8e58194e04.exe
"C:\Users\Admin\AppData\Local\Temp\40b7fd74f56258a845275f8e58194e04.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Users\Admin\AppData\Local\Temp\40b7fd74f56258a845275f8e58194e04.exe
  C:\Users\Admin\AppData\Local\Temp\40b7fd74f56258a845275f8e58194e04.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab2A8C.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2ACD.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\40b7fd74f56258a845275f8e58194e04.exe

Filesize
385KB

MD5
3b31e377d160f95f0527564690bd383c

SHA1
73051e1f4968458b782b2a76490f2b2de2bdadc0

SHA256
b968f4f4f79250f9baf5f521649ca3883501ba6c5e8fd023ca7fe81cfca1cb3b

SHA512
8cdaf88059e59ad65c8bceaee3f2618905c666a44d8115847fed7b905d3aee8d98e246b3d74629b060e9492ee1f54fa030886610350cd54cb15d9090ca875a9e

Download Submit
memory/2560-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2560-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2560-14-0x0000000002DF0000-0x0000000002E56000-memory.dmp

Filesize
408KB

Download
memory/2560-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2560-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2580-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2580-26-0x00000000014B0000-0x000000000150F000-memory.dmp

Filesize
380KB

Download
memory/2580-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2580-18-0x0000000000270000-0x00000000002D6000-memory.dmp

Filesize
408KB

Download
memory/2580-78-0x00000000078F0000-0x000000000792C000-memory.dmp

Filesize
240KB

Download
memory/2580-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2580-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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