28f792b7dd5c4195f4810ffbdadf0715fcf3d0f47cc5a115b579d71ae5d46195

General

Target

df555e3c4d3f06d0309e291f0dc129bb.exe
Size

771KB
MD5

df555e3c4d3f06d0309e291f0dc129bb
SHA1

ce89c4681d876fe16d4e7c07daf838b489c5bfe6
SHA256

28f792b7dd5c4195f4810ffbdadf0715fcf3d0f47cc5a115b579d71ae5d46195
SHA512

9f9ccf035ae0b3263eca7408ffa5bc2fb3db1d11a2fdac40bbfc8c24afc10cf2a3d6debf98780d2583425c40e0c911aa2e93352ba0af2ba437b29cb3f7e5686c
SSDEEP

24576:N6+xbVCYRRu0FTazybb10hJaothZ2/T6FBBB:NVbpRTH/ofT

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2172	df555e3c4d3f06d0309e291f0dc129bb.exe

Executes dropped EXE 1 IoCs

pid	Process
2172	df555e3c4d3f06d0309e291f0dc129bb.exe

Loads dropped DLL 1 IoCs

pid	Process
948	df555e3c4d3f06d0309e291f0dc129bb.exe

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

Web Service

T1102

flow	ioc
3	pastebin.com
4	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	df555e3c4d3f06d0309e291f0dc129bb.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	df555e3c4d3f06d0309e291f0dc129bb.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	df555e3c4d3f06d0309e291f0dc129bb.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
948	df555e3c4d3f06d0309e291f0dc129bb.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
948	df555e3c4d3f06d0309e291f0dc129bb.exe
2172	df555e3c4d3f06d0309e291f0dc129bb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 2172	948	df555e3c4d3f06d0309e291f0dc129bb.exe	28
PID 948 wrote to memory of 2172	948	df555e3c4d3f06d0309e291f0dc129bb.exe	28
PID 948 wrote to memory of 2172	948	df555e3c4d3f06d0309e291f0dc129bb.exe	28
PID 948 wrote to memory of 2172	948	df555e3c4d3f06d0309e291f0dc129bb.exe	28

C:\Users\Admin\AppData\Local\Temp\df555e3c4d3f06d0309e291f0dc129bb.exe
"C:\Users\Admin\AppData\Local\Temp\df555e3c4d3f06d0309e291f0dc129bb.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:948
- C:\Users\Admin\AppData\Local\Temp\df555e3c4d3f06d0309e291f0dc129bb.exe
  C:\Users\Admin\AppData\Local\Temp\df555e3c4d3f06d0309e291f0dc129bb.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2172

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\Tar24C5.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\df555e3c4d3f06d0309e291f0dc129bb.exe

Filesize
771KB

MD5
2972a5fc8c44c88cb82d5a8de9104a16

SHA1
7de34d2342ff584ee599219dcb55f6be35257433

SHA256
1acc61bc49822e321f443c95e0920fdaf1169ca8d8114f5e91ac2d389dd25e7d

SHA512
86acc20ebb091c8308055dcc88f491964d2de92cb92bd4584b047e08a92ccb5c1ace583498ab3c022b19cd41e7154c11a1edba82dd861103d0d737e9934e4125

Download Submit
memory/948-12-0x0000000000200000-0x0000000000266000-memory.dmp

Filesize
408KB

Download
memory/948-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/948-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/948-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/948-1-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2172-17-0x0000000000230000-0x0000000000296000-memory.dmp

Filesize
408KB

Download
memory/2172-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2172-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2172-25-0x00000000002E0000-0x000000000033F000-memory.dmp

Filesize
380KB

Download
memory/2172-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2172-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2172-88-0x00000000095E0000-0x000000000961C000-memory.dmp

Filesize
240KB

Download

Analysis

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