58cb7aa7dd5b92700bb0fab75f2b96a853d790b5a13aac7a853a83219ebee42a

General

Target

c3a28aea1f9a125e87d4e487c06d9881.exe
Size

385KB
MD5

c3a28aea1f9a125e87d4e487c06d9881
SHA1

afa3f4fb95110a3bb9aa25c4dd57df10a5827d0c
SHA256

58cb7aa7dd5b92700bb0fab75f2b96a853d790b5a13aac7a853a83219ebee42a
SHA512

2f19c72cf48c332e3f620253e882f6263c2e7d1c01845f98099a16b50a8fc11cf9beb9e227d2e1e0727007f40e0327780e6e55a26a86bde677f992d1e990f0b7
SSDEEP

6144:UmziQVmbra3bAeeASSESPJTTVdzkjPoqscM+udBAHZ/1EvPI6sv898uYI8qB:UmziQQr2BbSBYdTjWAGfE/r5B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1680	c3a28aea1f9a125e87d4e487c06d9881.exe

Executes dropped EXE 1 IoCs

pid	Process
1680	c3a28aea1f9a125e87d4e487c06d9881.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	c3a28aea1f9a125e87d4e487c06d9881.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	c3a28aea1f9a125e87d4e487c06d9881.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c3a28aea1f9a125e87d4e487c06d9881.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c3a28aea1f9a125e87d4e487c06d9881.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2208	c3a28aea1f9a125e87d4e487c06d9881.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2208	c3a28aea1f9a125e87d4e487c06d9881.exe
1680	c3a28aea1f9a125e87d4e487c06d9881.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 1680	2208	c3a28aea1f9a125e87d4e487c06d9881.exe	28
PID 2208 wrote to memory of 1680	2208	c3a28aea1f9a125e87d4e487c06d9881.exe	28
PID 2208 wrote to memory of 1680	2208	c3a28aea1f9a125e87d4e487c06d9881.exe	28
PID 2208 wrote to memory of 1680	2208	c3a28aea1f9a125e87d4e487c06d9881.exe	28

C:\Users\Admin\AppData\Local\Temp\c3a28aea1f9a125e87d4e487c06d9881.exe
"C:\Users\Admin\AppData\Local\Temp\c3a28aea1f9a125e87d4e487c06d9881.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\c3a28aea1f9a125e87d4e487c06d9881.exe
  C:\Users\Admin\AppData\Local\Temp\c3a28aea1f9a125e87d4e487c06d9881.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1680

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\Tar104D.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\c3a28aea1f9a125e87d4e487c06d9881.exe

Filesize
385KB

MD5
e3d84a788620cc39ff53b91afb22823c

SHA1
b12eb166a55352e536c40cd8c28cfd292f3d0df7

SHA256
13c3c685643c68150781d5d44a71126c6cbfd530b48edc7e37591de649a521bd

SHA512
1f952f7a30f88fc56152adbc55840bfae7a60eefd0441ef8ed90a1a80b04c6bddd872f7630eab01b628d3dd181279a23c0ca49c1f71ce77a61b8d2375443d17d

Download Submit
memory/1680-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1680-17-0x0000000000240000-0x00000000002A6000-memory.dmp

Filesize
408KB

Download
memory/1680-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1680-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1680-29-0x0000000000330000-0x000000000038F000-memory.dmp

Filesize
380KB

Download
memory/1680-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1680-87-0x00000000085C0000-0x00000000085FC000-memory.dmp

Filesize
240KB

Download
memory/1680-88-0x00000000085C0000-0x00000000085FC000-memory.dmp

Filesize
240KB

Download
memory/2208-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2208-12-0x0000000002EE0000-0x0000000002F46000-memory.dmp

Filesize
408KB

Download
memory/2208-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2208-2-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

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

Filesize
408KB

Download

Analysis

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