31a638a281e4308919709295635ac13625e4721917026e3d2bac1d3ff57850a0

General

Target

4956a646aca0f57ca48cf10568510760.exe
Size

385KB
MD5

4956a646aca0f57ca48cf10568510760
SHA1

b4fac926b24c5f3fdd5d32fdd1932276eaf0b78d
SHA256

31a638a281e4308919709295635ac13625e4721917026e3d2bac1d3ff57850a0
SHA512

c0a67f10eef3260c50fa1242353ccc7282940149c2b9181f61a89e9679cc9721b9f3a44d84717e4245ecc7aa8bfc25adff79f3c45a25408377b879b0afcde59f
SSDEEP

12288:rcxjoHHRB+sXg+slscd/LkmQy12RUC5oaLB:gxonRoDvd/ImQygRUaNB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1512	4956a646aca0f57ca48cf10568510760.exe

Executes dropped EXE 1 IoCs

pid	Process
1512	4956a646aca0f57ca48cf10568510760.exe

Loads dropped DLL 1 IoCs

pid	Process
2820	4956a646aca0f57ca48cf10568510760.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4956a646aca0f57ca48cf10568510760.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4956a646aca0f57ca48cf10568510760.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	4956a646aca0f57ca48cf10568510760.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2820	4956a646aca0f57ca48cf10568510760.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2820	4956a646aca0f57ca48cf10568510760.exe
1512	4956a646aca0f57ca48cf10568510760.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 1512	2820	4956a646aca0f57ca48cf10568510760.exe	29
PID 2820 wrote to memory of 1512	2820	4956a646aca0f57ca48cf10568510760.exe	29
PID 2820 wrote to memory of 1512	2820	4956a646aca0f57ca48cf10568510760.exe	29
PID 2820 wrote to memory of 1512	2820	4956a646aca0f57ca48cf10568510760.exe	29

C:\Users\Admin\AppData\Local\Temp\4956a646aca0f57ca48cf10568510760.exe
"C:\Users\Admin\AppData\Local\Temp\4956a646aca0f57ca48cf10568510760.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Users\Admin\AppData\Local\Temp\4956a646aca0f57ca48cf10568510760.exe
  C:\Users\Admin\AppData\Local\Temp\4956a646aca0f57ca48cf10568510760.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1512

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\4956a646aca0f57ca48cf10568510760.exe

Filesize
385KB

MD5
12e777177eff00a48f56d303e438a66f

SHA1
4c8dea9f99a07d2ced81e14737c0817fcfdfa506

SHA256
3fe5db176d13bf4353525d2706dcf0115581c19e468bcc7b91a4ec4004ba86a2

SHA512
4c7a018058d1a4d58e7f6c051b7493b2718097304a15da83b1222d5e36e6b184ca4d9d8ad5b2edb2ffa0bf62128cbe8aef76f671ae84eabd8c8d2a94aaff0df1

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

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

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

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\4956a646aca0f57ca48cf10568510760.exe

Filesize
4KB

MD5
7c513ef401f70a53e493a624d1a3426f

SHA1
66671390a3f63042ae0adeefd62bb70be969d6f2

SHA256
31a4391b202318efc2727e8455a349641afe1fb838a5892db737589189db80bf

SHA512
6de1c022a784c24a503f85befa84ccfd71f887e7ef6bca51b054c71c4a9169cac0efe3fc55155866b6cd26eced44bbfd3958e90a11a75feed4c4129cc255726f

Download Submit
memory/1512-17-0x0000000000350000-0x00000000003B6000-memory.dmp

Filesize
408KB

Download
memory/1512-23-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/1512-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1512-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1512-81-0x00000000075B0000-0x00000000075EC000-memory.dmp

Filesize
240KB

Download
memory/1512-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2820-11-0x0000000002E30000-0x0000000002E96000-memory.dmp

Filesize
408KB

Download
memory/2820-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2820-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2820-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2820-1-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download

Analysis

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