0ff7b959a37b6e4812ea12287101e80642bcec8127ae21f5cdbb8e464a3f569c

General

Target

4df336e0cdf812bf5bd09a7aa0cbc235.exe
Size

385KB
MD5

4df336e0cdf812bf5bd09a7aa0cbc235
SHA1

6dc0f18f9af8df8831499cbf30dc3628f324b946
SHA256

0ff7b959a37b6e4812ea12287101e80642bcec8127ae21f5cdbb8e464a3f569c
SHA512

c265c5b69d6840e9e45c51ccf7a7d4605b0c89062e6d3cc094de267a2ea84a6788a5f5a2f16e6afa380ef4ab2316edfbfa8c8266e297cc88c526e93a77e09534
SSDEEP

12288:ChMFwZbSdn2wF6hCkR2mjh75H9aPw89riCN6TB:CcwZQ2PC45IPwS0B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2420	4df336e0cdf812bf5bd09a7aa0cbc235.exe

Executes dropped EXE 1 IoCs

pid	Process
2420	4df336e0cdf812bf5bd09a7aa0cbc235.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	4df336e0cdf812bf5bd09a7aa0cbc235.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	4df336e0cdf812bf5bd09a7aa0cbc235.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4df336e0cdf812bf5bd09a7aa0cbc235.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4df336e0cdf812bf5bd09a7aa0cbc235.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2432	4df336e0cdf812bf5bd09a7aa0cbc235.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2432	4df336e0cdf812bf5bd09a7aa0cbc235.exe
2420	4df336e0cdf812bf5bd09a7aa0cbc235.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2420	2432	4df336e0cdf812bf5bd09a7aa0cbc235.exe	28
PID 2432 wrote to memory of 2420	2432	4df336e0cdf812bf5bd09a7aa0cbc235.exe	28
PID 2432 wrote to memory of 2420	2432	4df336e0cdf812bf5bd09a7aa0cbc235.exe	28
PID 2432 wrote to memory of 2420	2432	4df336e0cdf812bf5bd09a7aa0cbc235.exe	28

C:\Users\Admin\AppData\Local\Temp\4df336e0cdf812bf5bd09a7aa0cbc235.exe
"C:\Users\Admin\AppData\Local\Temp\4df336e0cdf812bf5bd09a7aa0cbc235.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\4df336e0cdf812bf5bd09a7aa0cbc235.exe
  C:\Users\Admin\AppData\Local\Temp\4df336e0cdf812bf5bd09a7aa0cbc235.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2420

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\CabE082.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE0D3.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\4df336e0cdf812bf5bd09a7aa0cbc235.exe

Filesize
385KB

MD5
327e5cc85607b694606b9860687c6290

SHA1
f9d7e44d5a30a0b34c247a821057ded7b55e8552

SHA256
17067ea0e29149931ed100c80a50e592e3994626de78c43e77c5a7fbbf7f205e

SHA512
20112ec63ec911ab298370498e6d1674940a139dcb03bfb9ef114aa9ab8064cf129ef6142668a0a9d4fbe5ccc5e7b7ddda682e2f9e06ddd48102bbf43835620c

Download Submit
memory/2420-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2420-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2420-24-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2420-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2420-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2420-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2420-82-0x0000000008A30000-0x0000000008A6C000-memory.dmp

Filesize
240KB

Download
memory/2432-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2432-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2432-14-0x0000000002C00000-0x0000000002C66000-memory.dmp

Filesize
408KB

Download
memory/2432-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2432-2-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download

Analysis

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