bec3689ebfba9651011091eebba36a732226217373720c36e33ebc045f0b67db

General

Target

aa2818625eb8a4703ac7b8b18e3ea470.exe
Size

385KB
MD5

aa2818625eb8a4703ac7b8b18e3ea470
SHA1

8851199ae292231a0ab6c1e1cbe17763b9453544
SHA256

bec3689ebfba9651011091eebba36a732226217373720c36e33ebc045f0b67db
SHA512

3d60fb961af4af3dde7f69ecb66ee98861964e98ddfa19b3ba3b432f4579884d629aa99ead418a4e0fbef541e70e1a34502847c26bfdd1376cfac04b1b5bde79
SSDEEP

12288:JPjtAnOzTSz1JT9KEx1Kb9C1zTrv2B4SyCXFzcRB:JPR6O/SPYHb9CNvIGRB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3000	aa2818625eb8a4703ac7b8b18e3ea470.exe

Executes dropped EXE 1 IoCs

pid	Process
3000	aa2818625eb8a4703ac7b8b18e3ea470.exe

Loads dropped DLL 1 IoCs

pid	Process
2648	aa2818625eb8a4703ac7b8b18e3ea470.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	aa2818625eb8a4703ac7b8b18e3ea470.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	aa2818625eb8a4703ac7b8b18e3ea470.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	aa2818625eb8a4703ac7b8b18e3ea470.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2648	aa2818625eb8a4703ac7b8b18e3ea470.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2648	aa2818625eb8a4703ac7b8b18e3ea470.exe
3000	aa2818625eb8a4703ac7b8b18e3ea470.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 3000	2648	aa2818625eb8a4703ac7b8b18e3ea470.exe	28
PID 2648 wrote to memory of 3000	2648	aa2818625eb8a4703ac7b8b18e3ea470.exe	28
PID 2648 wrote to memory of 3000	2648	aa2818625eb8a4703ac7b8b18e3ea470.exe	28
PID 2648 wrote to memory of 3000	2648	aa2818625eb8a4703ac7b8b18e3ea470.exe	28

C:\Users\Admin\AppData\Local\Temp\aa2818625eb8a4703ac7b8b18e3ea470.exe
"C:\Users\Admin\AppData\Local\Temp\aa2818625eb8a4703ac7b8b18e3ea470.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\aa2818625eb8a4703ac7b8b18e3ea470.exe
  C:\Users\Admin\AppData\Local\Temp\aa2818625eb8a4703ac7b8b18e3ea470.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:3000

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\TarAE40.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\aa2818625eb8a4703ac7b8b18e3ea470.exe

Filesize
385KB

MD5
2cd5b077b93e76ac165a8af67b3a2eae

SHA1
2ccf293ae84017f14656adc485553cb992bacbdc

SHA256
440d2a9491f32a82e37526046080128e9e58cb0308e03a000d169b2fa17208d8

SHA512
478e176213b7ef38bcef9f492e0847ee0692b1aea688f70f883b19b3526f905fb6153b8107143f1260ad4d8e3f092b6e70d671cc9da644fcd3c24df126d0cf81

Download Submit
memory/2648-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2648-12-0x00000000002D0000-0x0000000000336000-memory.dmp

Filesize
408KB

Download
memory/2648-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2648-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2648-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3000-18-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/3000-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-24-0x0000000002CC0000-0x0000000002D1F000-memory.dmp

Filesize
380KB

Download
memory/3000-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3000-85-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3000-86-0x000000000D7C0000-0x000000000D7FC000-memory.dmp

Filesize
240KB

Download

Analysis

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