974bb61c491902187c0e0d2037f304961ec8375fd9fd505d10ad90c3065ef3c7

General

Target

1a6dd336119b57c898c3be2be1a7d76f.exe
Size

385KB
MD5

1a6dd336119b57c898c3be2be1a7d76f
SHA1

369367a33cce82765ecf71e0a354be7d430ab40e
SHA256

974bb61c491902187c0e0d2037f304961ec8375fd9fd505d10ad90c3065ef3c7
SHA512

9468271a5f752bb500044c591b155bd4a52ddcd91544089458bc6f050d5a7224d78a39b1681d019b4fa5f2a4d4733187aa6b311678b86dac64b6694338c4928a
SSDEEP

6144:FVM55e2wP/GVZU50PW5x8VnPb1IsvXXR4c/53uiyNK6I26WSSI3blR/9B:jMvsnKZU50ur8VnPaEXR4c/wP/mJXB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2728	1a6dd336119b57c898c3be2be1a7d76f.exe

Executes dropped EXE 1 IoCs

pid	Process
2728	1a6dd336119b57c898c3be2be1a7d76f.exe

Loads dropped DLL 1 IoCs

pid	Process
1988	1a6dd336119b57c898c3be2be1a7d76f.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	1a6dd336119b57c898c3be2be1a7d76f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	1a6dd336119b57c898c3be2be1a7d76f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	1a6dd336119b57c898c3be2be1a7d76f.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1988	1a6dd336119b57c898c3be2be1a7d76f.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1988	1a6dd336119b57c898c3be2be1a7d76f.exe
2728	1a6dd336119b57c898c3be2be1a7d76f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2728	1988	1a6dd336119b57c898c3be2be1a7d76f.exe	28
PID 1988 wrote to memory of 2728	1988	1a6dd336119b57c898c3be2be1a7d76f.exe	28
PID 1988 wrote to memory of 2728	1988	1a6dd336119b57c898c3be2be1a7d76f.exe	28
PID 1988 wrote to memory of 2728	1988	1a6dd336119b57c898c3be2be1a7d76f.exe	28

C:\Users\Admin\AppData\Local\Temp\1a6dd336119b57c898c3be2be1a7d76f.exe
"C:\Users\Admin\AppData\Local\Temp\1a6dd336119b57c898c3be2be1a7d76f.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Local\Temp\1a6dd336119b57c898c3be2be1a7d76f.exe
  C:\Users\Admin\AppData\Local\Temp\1a6dd336119b57c898c3be2be1a7d76f.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2728

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\Cab785D.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar788F.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\1a6dd336119b57c898c3be2be1a7d76f.exe

Filesize
385KB

MD5
c4ddae4d14ee42c2be193f3b9f2d6266

SHA1
42a47da2168e706428b01a8df7404ed9e7b76d92

SHA256
24c28259a93c517b3576423036c4c10abea8c015ad3fe09fcc0e0b860cff4e56

SHA512
7f1e69f121592cd8ac19cc1429b3442e78a587cc89dfc351858e9ee97fbbf372b333cc0c76e0cf017184ef06221b2436978e5bf997b39d5a1e86adf5f3d0bf6c

Download Submit
memory/1988-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1988-2-0x0000000000360000-0x00000000003C6000-memory.dmp

Filesize
408KB

Download
memory/1988-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1988-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1988-14-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2728-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2728-25-0x0000000002CA0000-0x0000000002CFF000-memory.dmp

Filesize
380KB

Download
memory/2728-18-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2728-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2728-83-0x00000000075D0000-0x000000000760C000-memory.dmp

Filesize
240KB

Download
memory/2728-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2728-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2728-84-0x00000000075D0000-0x000000000760C000-memory.dmp

Filesize
240KB

Download

Analysis

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