f8833dcd6b9bc7eaf6501954477a18be98821232641ac762e8263269bc5e6380

General

Target

bd4185c304af86da85a9acfe4321e37d.exe
Size

385KB
MD5

bd4185c304af86da85a9acfe4321e37d
SHA1

2c8e24d77031a1d2742509335564f8fe71cb7140
SHA256

f8833dcd6b9bc7eaf6501954477a18be98821232641ac762e8263269bc5e6380
SHA512

ba5c57dd94d5fab326ecb408bba1e7035a388a773e142c6ce519f3a6120a91d08a9292e9d271b2d98321dee63eb8d5b585b903124b5d4e14485b8c91aa93a986
SSDEEP

6144:dKQ1qN5cFVShKHL14RfCuL/nsZDkZBLHyRduxefUpsfvUFr2kv3B:sQ1qLcyh2L14Rz/ns1ULQdu+CKvyRvB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2208	bd4185c304af86da85a9acfe4321e37d.exe

Executes dropped EXE 1 IoCs

pid	Process
2208	bd4185c304af86da85a9acfe4321e37d.exe

Loads dropped DLL 1 IoCs

pid	Process
2972	bd4185c304af86da85a9acfe4321e37d.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
3	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	bd4185c304af86da85a9acfe4321e37d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bd4185c304af86da85a9acfe4321e37d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bd4185c304af86da85a9acfe4321e37d.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2972	bd4185c304af86da85a9acfe4321e37d.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2972	bd4185c304af86da85a9acfe4321e37d.exe
2208	bd4185c304af86da85a9acfe4321e37d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2208	2972	bd4185c304af86da85a9acfe4321e37d.exe	28
PID 2972 wrote to memory of 2208	2972	bd4185c304af86da85a9acfe4321e37d.exe	28
PID 2972 wrote to memory of 2208	2972	bd4185c304af86da85a9acfe4321e37d.exe	28
PID 2972 wrote to memory of 2208	2972	bd4185c304af86da85a9acfe4321e37d.exe	28

C:\Users\Admin\AppData\Local\Temp\bd4185c304af86da85a9acfe4321e37d.exe
"C:\Users\Admin\AppData\Local\Temp\bd4185c304af86da85a9acfe4321e37d.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\bd4185c304af86da85a9acfe4321e37d.exe
  C:\Users\Admin\AppData\Local\Temp\bd4185c304af86da85a9acfe4321e37d.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2208

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\Tar371E.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\bd4185c304af86da85a9acfe4321e37d.exe

Filesize
385KB

MD5
1ed8bf53191349df357ec430060b6c10

SHA1
50824162c14ec7b79349c3b2b52903fd638f1372

SHA256
3355b4f7c7f56dba6ac40d0044d7bea7dad6676b1c9aa4f3a3f952866b407ec5

SHA512
a3212a7e2ab81b665e5c62f762dfe3bb2099bc85bea3bf02544b37b24e4f935fd5b8d793a9150e66db6e9c3df8f6251fe9aaf821ef154e05e340fc86c0a6f012

Download Submit
memory/2208-18-0x0000000000260000-0x00000000002C6000-memory.dmp

Filesize
408KB

Download
memory/2208-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2208-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2208-29-0x00000000002D0000-0x000000000032F000-memory.dmp

Filesize
380KB

Download
memory/2208-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2208-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2208-87-0x0000000007590000-0x00000000075CC000-memory.dmp

Filesize
240KB

Download
memory/2972-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2972-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2972-12-0x0000000002DE0000-0x0000000002E46000-memory.dmp

Filesize
408KB

Download
memory/2972-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2972-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download

Analysis

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