a053fa181d9859098cad72ef2fdbadf852e05f068f6d4f0762d5f8893885604f

General

Target

4bcbc22525e70cd5241dcbd85a854346.exe
Size

771KB
MD5

4bcbc22525e70cd5241dcbd85a854346
SHA1

26e2c5f887f7fe6a55577da68471a00ffed75195
SHA256

a053fa181d9859098cad72ef2fdbadf852e05f068f6d4f0762d5f8893885604f
SHA512

c451d979fd80a3e90f6fd1254e4b9f598db97a501bffbbd552c8d28bc714c5b7c525ca787784908c3a24c5b14d99d76b8afc43d338daef6fd49fcf857cba79a9
SSDEEP

12288:A2LdPAMalpSRC8maPAJWmdP3vPq4Ub10VHmDXTuFaa2AtyGTKOF25ZoJJyhRge8V:A2LdMGiP3vy4Ub10hJaothZ2/T6FBBB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3040	4bcbc22525e70cd5241dcbd85a854346.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	4bcbc22525e70cd5241dcbd85a854346.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	4bcbc22525e70cd5241dcbd85a854346.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	4bcbc22525e70cd5241dcbd85a854346.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4bcbc22525e70cd5241dcbd85a854346.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4bcbc22525e70cd5241dcbd85a854346.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2380	4bcbc22525e70cd5241dcbd85a854346.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2380	4bcbc22525e70cd5241dcbd85a854346.exe
3040	4bcbc22525e70cd5241dcbd85a854346.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3040	2380	4bcbc22525e70cd5241dcbd85a854346.exe	14
PID 2380 wrote to memory of 3040	2380	4bcbc22525e70cd5241dcbd85a854346.exe	14
PID 2380 wrote to memory of 3040	2380	4bcbc22525e70cd5241dcbd85a854346.exe	14
PID 2380 wrote to memory of 3040	2380	4bcbc22525e70cd5241dcbd85a854346.exe	14

C:\Users\Admin\AppData\Local\Temp\4bcbc22525e70cd5241dcbd85a854346.exe
"C:\Users\Admin\AppData\Local\Temp\4bcbc22525e70cd5241dcbd85a854346.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\4bcbc22525e70cd5241dcbd85a854346.exe
  C:\Users\Admin\AppData\Local\Temp\4bcbc22525e70cd5241dcbd85a854346.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:3040

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\4bcbc22525e70cd5241dcbd85a854346.exe

Filesize
412KB

MD5
ae01965b3d3052bb3211618a33d5c821

SHA1
e4efc225ac014623c67bf4696efe44a2501b457f

SHA256
3ac6783fb1ae05d0a6c07fdc6d8c3e0b64426704e4dd7751db17a05ab4f8950d

SHA512
8514fb66a5025c9ace8f2fba2ae439bbf4be4b0d393edcbf0588ea0ee1f5331ef2244cddd2e75f5865a0a69ea6b5f1978269b5b210085af2ae5f93168be1d8de

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4AFA.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\4bcbc22525e70cd5241dcbd85a854346.exe

Filesize
705KB

MD5
ad620dc0ae3162b75d57a38cc56b2d09

SHA1
b45848910ebef7ec4eb6f63dd2546ee590512fac

SHA256
6232c34062c8935e857d6583b59abb4c072c8e91870ab43e19200a218b1d95e4

SHA512
78935db671fe73ab533fd5ff8082df2601eee354ad479dce6205fefda20d5c013f5623b4f5aed2a789ac706c14dc61f3c219b47f6e7ab3d617fc387b76bb7560

Download Submit
memory/2380-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2380-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2380-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2380-1-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2380-16-0x0000000000200000-0x0000000000266000-memory.dmp

Filesize
408KB

Download
memory/3040-29-0x0000000000340000-0x000000000039F000-memory.dmp

Filesize
380KB

Download
memory/3040-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3040-20-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/3040-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3040-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3040-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3040-88-0x0000000007560000-0x000000000759C000-memory.dmp

Filesize
240KB

Download
memory/3040-89-0x0000000007560000-0x000000000759C000-memory.dmp

Filesize
240KB

Download

Analysis

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