36a7d3d2cdfad0e758ba48d28fcaecc641824573fce449b1a5e8c43bdd5d9565

General

Target

d42f08d28f5ed95a1bcd0cb2860b6b53.exe
Size

385KB
MD5

d42f08d28f5ed95a1bcd0cb2860b6b53
SHA1

b867099ba646b8c4989a14e0e90804a0289a00f7
SHA256

36a7d3d2cdfad0e758ba48d28fcaecc641824573fce449b1a5e8c43bdd5d9565
SHA512

c5357a7cfd95e2d4e19092073798b8da796a9076773d304723012b91a0a75202171f54a76d47da214e99c65b882401ccc19c539cfcbf2e05531d4dd5aeb4a7fe
SSDEEP

12288:8FwfE7f9ayUXXOfsu2IaN7EJIijhpADWG5tB:8FwfELcNHOfsUpO6GjB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2204	d42f08d28f5ed95a1bcd0cb2860b6b53.exe

Executes dropped EXE 1 IoCs

pid	Process
2204	d42f08d28f5ed95a1bcd0cb2860b6b53.exe

Loads dropped DLL 1 IoCs

pid	Process
2820	d42f08d28f5ed95a1bcd0cb2860b6b53.exe

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

Web Service

T1102

flow	ioc
3	pastebin.com
5	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	d42f08d28f5ed95a1bcd0cb2860b6b53.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	d42f08d28f5ed95a1bcd0cb2860b6b53.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	d42f08d28f5ed95a1bcd0cb2860b6b53.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2820	d42f08d28f5ed95a1bcd0cb2860b6b53.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2820	d42f08d28f5ed95a1bcd0cb2860b6b53.exe
2204	d42f08d28f5ed95a1bcd0cb2860b6b53.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2204	2820	d42f08d28f5ed95a1bcd0cb2860b6b53.exe	28
PID 2820 wrote to memory of 2204	2820	d42f08d28f5ed95a1bcd0cb2860b6b53.exe	28
PID 2820 wrote to memory of 2204	2820	d42f08d28f5ed95a1bcd0cb2860b6b53.exe	28
PID 2820 wrote to memory of 2204	2820	d42f08d28f5ed95a1bcd0cb2860b6b53.exe	28

C:\Users\Admin\AppData\Local\Temp\d42f08d28f5ed95a1bcd0cb2860b6b53.exe
"C:\Users\Admin\AppData\Local\Temp\d42f08d28f5ed95a1bcd0cb2860b6b53.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Users\Admin\AppData\Local\Temp\d42f08d28f5ed95a1bcd0cb2860b6b53.exe
  C:\Users\Admin\AppData\Local\Temp\d42f08d28f5ed95a1bcd0cb2860b6b53.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2204

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
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1F1A.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\d42f08d28f5ed95a1bcd0cb2860b6b53.exe

Filesize
385KB

MD5
9e87c2d0db8fb5b4e954dc473312301a

SHA1
4573b90a634c6fdad6bd639903708e8cbac96d64

SHA256
6fb5c0f8eaef67a005c3963d93623458879aecd3cc75ba99ccc2d064e51fb7f3

SHA512
9d49963e3921436554d8b8e2640a59122caf302f8a8148208deb67a53b5e48f14ae87e8666227c6a77ac4fbd3ce1f7c46a4f85a6da1ba130d822e3c84218f425

Download Submit
memory/2204-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2204-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2204-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2204-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2204-25-0x00000000002F0000-0x000000000034F000-memory.dmp

Filesize
380KB

Download
memory/2204-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2204-88-0x00000000076C0000-0x00000000076FC000-memory.dmp

Filesize
240KB

Download
memory/2204-89-0x00000000076C0000-0x00000000076FC000-memory.dmp

Filesize
240KB

Download
memory/2820-12-0x0000000002E10000-0x0000000002E76000-memory.dmp

Filesize
408KB

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

Filesize
380KB

Download
memory/2820-2-0x0000000000210000-0x0000000000276000-memory.dmp

Filesize
408KB

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

Filesize
408KB

Download
memory/2820-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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