f74e6c6e6d19a64254d74e98901144486d2e359fab4e21f818c7d4c72b7928db

General

Target

3ef1f5a985a26a50781d07c540ca18e2.exe
Size

385KB
MD5

3ef1f5a985a26a50781d07c540ca18e2
SHA1

c78fd117e3e290b912f81ce4432ccbb8b239cfb4
SHA256

f74e6c6e6d19a64254d74e98901144486d2e359fab4e21f818c7d4c72b7928db
SHA512

ad249534766feac1dc6dd1dd1668817517079966469391101624b847d0e99d6ea66257819f6377bf9364f65e7471222a03f58a4aa82ae23913b5c69093f71d8b
SSDEEP

6144:I4TRbGJpsJwue/Zfn3gtrqJcIKyrROQpo+E5KFT69Qv6l2OLwPDLTuPpPi8xysLB:9Rbmd3F9JhZFTSQv0fLaDXuPpryAB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2664	3ef1f5a985a26a50781d07c540ca18e2.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	3ef1f5a985a26a50781d07c540ca18e2.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	3ef1f5a985a26a50781d07c540ca18e2.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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	3ef1f5a985a26a50781d07c540ca18e2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	3ef1f5a985a26a50781d07c540ca18e2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	3ef1f5a985a26a50781d07c540ca18e2.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1984	3ef1f5a985a26a50781d07c540ca18e2.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1984	3ef1f5a985a26a50781d07c540ca18e2.exe
2664	3ef1f5a985a26a50781d07c540ca18e2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2664	1984	3ef1f5a985a26a50781d07c540ca18e2.exe	28
PID 1984 wrote to memory of 2664	1984	3ef1f5a985a26a50781d07c540ca18e2.exe	28
PID 1984 wrote to memory of 2664	1984	3ef1f5a985a26a50781d07c540ca18e2.exe	28
PID 1984 wrote to memory of 2664	1984	3ef1f5a985a26a50781d07c540ca18e2.exe	28

C:\Users\Admin\AppData\Local\Temp\3ef1f5a985a26a50781d07c540ca18e2.exe
"C:\Users\Admin\AppData\Local\Temp\3ef1f5a985a26a50781d07c540ca18e2.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\3ef1f5a985a26a50781d07c540ca18e2.exe
  C:\Users\Admin\AppData\Local\Temp\3ef1f5a985a26a50781d07c540ca18e2.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2664

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\CabA91D.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA98D.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\3ef1f5a985a26a50781d07c540ca18e2.exe

Filesize
385KB

MD5
56c5657c58936da471b654c697b95784

SHA1
d795a29dbbe9694e8fbf9500bcf5c0dddf4bcb04

SHA256
cca1378afd81a1d9f01468e9d70bfc99b23131f306d2b4300cf9960ed02e92aa

SHA512
c35d0c17f591471c817766d3a91eb8d2d9c6bd6ffd1fc84b7cedead466329eb88b12ca90e68ee86814414edbc35b8711457ba45aebc6021caa187bc2b5e11004

Download Submit
memory/1984-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1984-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1984-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1984-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2664-15-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2664-16-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2664-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2664-25-0x0000000000260000-0x00000000002BF000-memory.dmp

Filesize
380KB

Download
memory/2664-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2664-78-0x000000000D8D0000-0x000000000D90C000-memory.dmp

Filesize
240KB

Download
memory/2664-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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