c346bfcf681a1b245f0a801d6210f8e817186ceebf3a66156ea8a020976fea57

General

Target

acac4ae372ad73d48a0f47ddd02b10c8.exe
Size

385KB
MD5

acac4ae372ad73d48a0f47ddd02b10c8
SHA1

16e341a8dbb5939b0899c68db1545378f002e32f
SHA256

c346bfcf681a1b245f0a801d6210f8e817186ceebf3a66156ea8a020976fea57
SHA512

9b7cb33e883714cb249c3963a0b5abd1ece964a1a3a3bd215c70f1e8c81ab57d37e00eca98cb8178dd042d307428a743a829a35eaa662f9bb762c973f370282a
SSDEEP

12288:CSgrDABVRXXS1VHY3KJxni+n0VwmMcLWm9B:CSmu5wxwVL1WWB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2308	acac4ae372ad73d48a0f47ddd02b10c8.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	acac4ae372ad73d48a0f47ddd02b10c8.exe

Loads dropped DLL 1 IoCs

pid	Process
2104	acac4ae372ad73d48a0f47ddd02b10c8.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	acac4ae372ad73d48a0f47ddd02b10c8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	acac4ae372ad73d48a0f47ddd02b10c8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	acac4ae372ad73d48a0f47ddd02b10c8.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2104	acac4ae372ad73d48a0f47ddd02b10c8.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2104	acac4ae372ad73d48a0f47ddd02b10c8.exe
2308	acac4ae372ad73d48a0f47ddd02b10c8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2308	2104	acac4ae372ad73d48a0f47ddd02b10c8.exe	28
PID 2104 wrote to memory of 2308	2104	acac4ae372ad73d48a0f47ddd02b10c8.exe	28
PID 2104 wrote to memory of 2308	2104	acac4ae372ad73d48a0f47ddd02b10c8.exe	28
PID 2104 wrote to memory of 2308	2104	acac4ae372ad73d48a0f47ddd02b10c8.exe	28

C:\Users\Admin\AppData\Local\Temp\acac4ae372ad73d48a0f47ddd02b10c8.exe
"C:\Users\Admin\AppData\Local\Temp\acac4ae372ad73d48a0f47ddd02b10c8.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\acac4ae372ad73d48a0f47ddd02b10c8.exe
  C:\Users\Admin\AppData\Local\Temp\acac4ae372ad73d48a0f47ddd02b10c8.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2308

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\Tar2B1D.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\acac4ae372ad73d48a0f47ddd02b10c8.exe

Filesize
385KB

MD5
f1dc05cb34ccfac764b0e50a1e6e4db6

SHA1
c170f8ca455b037b4bd2dea7e781768bbf8f4d93

SHA256
5aea2393386788e7624b0a90d4e168e475eac97a9b0e054854bbe45dfc97eb20

SHA512
13ef5ef6dba0dcd49f1c52f2fb6b729cb30d820fa52191c9a5ff722effbb0100a7fac8767682c3a12683fea2596c0d523da51319079452ead5e4ee98f6a60385

Download Submit
memory/2104-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2104-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2104-12-0x0000000000350000-0x00000000003B6000-memory.dmp

Filesize
408KB

Download
memory/2104-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2104-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2308-16-0x0000000000230000-0x0000000000296000-memory.dmp

Filesize
408KB

Download
memory/2308-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2308-25-0x0000000000340000-0x000000000039F000-memory.dmp

Filesize
380KB

Download
memory/2308-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2308-86-0x00000000095C0000-0x00000000095FC000-memory.dmp

Filesize
240KB

Download
memory/2308-85-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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