3032026f67750d37dc4cd36b2e005a409a9ed96c3f1bb6d3c4a688734d775280

General

Target

a0c3b7cff5be90c4dc5ef821427e2ff0.exe
Size

385KB
MD5

a0c3b7cff5be90c4dc5ef821427e2ff0
SHA1

163b137e384a96db3e1d49d90ec01214baf94a4b
SHA256

3032026f67750d37dc4cd36b2e005a409a9ed96c3f1bb6d3c4a688734d775280
SHA512

f58a185d1c5f9a71abb645d54cfb9ef79e8c4863eea0b3aa295e18cab41fc32bc9240649fac25f7697659207b1f22f92551d0f6abd9a56737e923fa8f7e39905
SSDEEP

6144:a0Vyam0wXDIk/NZW3KLZGv9yu2Lj97Zty9PMG72bjk33xbJonk0+13B:5VyX0E/vWuVpO2s1AkT3B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1940	a0c3b7cff5be90c4dc5ef821427e2ff0.exe

Executes dropped EXE 1 IoCs

pid	Process
1940	a0c3b7cff5be90c4dc5ef821427e2ff0.exe

Loads dropped DLL 1 IoCs

pid	Process
1660	a0c3b7cff5be90c4dc5ef821427e2ff0.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
4	pastebin.com

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	a0c3b7cff5be90c4dc5ef821427e2ff0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	a0c3b7cff5be90c4dc5ef821427e2ff0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	a0c3b7cff5be90c4dc5ef821427e2ff0.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1660	a0c3b7cff5be90c4dc5ef821427e2ff0.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1660	a0c3b7cff5be90c4dc5ef821427e2ff0.exe
1940	a0c3b7cff5be90c4dc5ef821427e2ff0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1940	1660	a0c3b7cff5be90c4dc5ef821427e2ff0.exe	28
PID 1660 wrote to memory of 1940	1660	a0c3b7cff5be90c4dc5ef821427e2ff0.exe	28
PID 1660 wrote to memory of 1940	1660	a0c3b7cff5be90c4dc5ef821427e2ff0.exe	28
PID 1660 wrote to memory of 1940	1660	a0c3b7cff5be90c4dc5ef821427e2ff0.exe	28

C:\Users\Admin\AppData\Local\Temp\a0c3b7cff5be90c4dc5ef821427e2ff0.exe
"C:\Users\Admin\AppData\Local\Temp\a0c3b7cff5be90c4dc5ef821427e2ff0.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\a0c3b7cff5be90c4dc5ef821427e2ff0.exe
  C:\Users\Admin\AppData\Local\Temp\a0c3b7cff5be90c4dc5ef821427e2ff0.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1940

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\Cab4E80.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4EB1.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\a0c3b7cff5be90c4dc5ef821427e2ff0.exe

Filesize
385KB

MD5
cd6e16f591f385131b99e03b06c351c4

SHA1
cf30d8c81cf6e6694a256c03cfee6861e7ec7932

SHA256
0901d11b630e1ed66876a9caae391c4ad9f60c2372014036eccaebf14ff5506b

SHA512
494b43508d758570ba0bbd8facf32f58848cb5f2e7bacae52d60e7994235f68a99fcb8b28947e1491797255e4253a1f9d0a89b81c557cb6e523c02d00ccb1f1f

Download Submit
memory/1660-12-0x00000000016E0000-0x0000000001746000-memory.dmp

Filesize
408KB

Download
memory/1660-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1660-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1660-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1940-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1940-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1940-25-0x00000000014B0000-0x000000000150F000-memory.dmp

Filesize
380KB

Download
memory/1940-79-0x000000000D630000-0x000000000D66C000-memory.dmp

Filesize
240KB

Download
memory/1940-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1940-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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