aefbb23103c6764bff0c7326b7c083f11c40904031a38425d94f1c7834c749a0

General

Target

ac4376d44c698c6c53e63f5b011b2fd7.exe
Size

771KB
MD5

ac4376d44c698c6c53e63f5b011b2fd7
SHA1

22737c17f5a63ee20b7dce42ec2bddc4f5a39421
SHA256

aefbb23103c6764bff0c7326b7c083f11c40904031a38425d94f1c7834c749a0
SHA512

64180457443ab066a7a62a8e51e6c184e2dd9213a453d200d8b61b3633a88a7cf9e8fe0cd67cc21075169fff8261d7b2ba4ff64ed89fd6337213de435f59b3ff
SSDEEP

24576:gLkobHg6xW4bSZ/MXb10hJaothZ2/T6FBBB:QU8V8ML/ofT

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2892	ac4376d44c698c6c53e63f5b011b2fd7.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	ac4376d44c698c6c53e63f5b011b2fd7.exe

Loads dropped DLL 1 IoCs

pid	Process
2868	ac4376d44c698c6c53e63f5b011b2fd7.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	ac4376d44c698c6c53e63f5b011b2fd7.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ac4376d44c698c6c53e63f5b011b2fd7.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ac4376d44c698c6c53e63f5b011b2fd7.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2868	ac4376d44c698c6c53e63f5b011b2fd7.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2868	ac4376d44c698c6c53e63f5b011b2fd7.exe
2892	ac4376d44c698c6c53e63f5b011b2fd7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2892	2868	ac4376d44c698c6c53e63f5b011b2fd7.exe	28
PID 2868 wrote to memory of 2892	2868	ac4376d44c698c6c53e63f5b011b2fd7.exe	28
PID 2868 wrote to memory of 2892	2868	ac4376d44c698c6c53e63f5b011b2fd7.exe	28
PID 2868 wrote to memory of 2892	2868	ac4376d44c698c6c53e63f5b011b2fd7.exe	28

C:\Users\Admin\AppData\Local\Temp\ac4376d44c698c6c53e63f5b011b2fd7.exe
"C:\Users\Admin\AppData\Local\Temp\ac4376d44c698c6c53e63f5b011b2fd7.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\ac4376d44c698c6c53e63f5b011b2fd7.exe
  C:\Users\Admin\AppData\Local\Temp\ac4376d44c698c6c53e63f5b011b2fd7.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2892

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\Tar7F93.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\ac4376d44c698c6c53e63f5b011b2fd7.exe

Filesize
771KB

MD5
5f9cf6f88f523e5bf513f08add089e2d

SHA1
5c2039d4894acf8296c396129a13aaff8a2cc5bb

SHA256
3e5391b6f3506f701f358047336591c38a7ea4e5761220142e0db94b96701a0a

SHA512
ce9bc7d6c126c3652bf6f64193383d7ca0f828a05ad3418632e643b30eb5406d2d85da3a2e659daa176777157e9806e8c3e8ddad0da8f7fff4d9c9ede081b434

Download Submit
memory/2868-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2868-14-0x00000000002D0000-0x0000000000336000-memory.dmp

Filesize
408KB

Download
memory/2868-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2868-3-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2868-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2892-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2892-17-0x0000000000350000-0x00000000003B6000-memory.dmp

Filesize
408KB

Download
memory/2892-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-25-0x0000000002BF0000-0x0000000002C4F000-memory.dmp

Filesize
380KB

Download
memory/2892-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2892-86-0x000000000D600000-0x000000000D63C000-memory.dmp

Filesize
240KB

Download
memory/2892-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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