3da2e0cb710d55a0062e25f37e37a4273023374bd6eceb87fee21894d6dcc96e

General

Target

df8b178699084cd53cec422d5080d46b.exe
Size

385KB
MD5

df8b178699084cd53cec422d5080d46b
SHA1

26ea033f09583c81b94316da38aec1adef8f9d38
SHA256

3da2e0cb710d55a0062e25f37e37a4273023374bd6eceb87fee21894d6dcc96e
SHA512

87c9c7f23622312cee70f92357d8c980521f844c9222fefc2b323189433594f725ea74c1fafbad0f370ae4c2bda4f9020bb1ef138cef80016de4e8ccdec232ab
SSDEEP

6144:oYtfKTRsMo2S4lwpAViUsDVqtuEoF7bfhl1dj2dWnDDnolnGhNxfLHZfB:mVS4epAVWDkno1z1d6dqninGTxfLFB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2336	df8b178699084cd53cec422d5080d46b.exe

Executes dropped EXE 1 IoCs

pid	Process
2336	df8b178699084cd53cec422d5080d46b.exe

Loads dropped DLL 1 IoCs

pid	Process
1684	df8b178699084cd53cec422d5080d46b.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	df8b178699084cd53cec422d5080d46b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	df8b178699084cd53cec422d5080d46b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	df8b178699084cd53cec422d5080d46b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1684	df8b178699084cd53cec422d5080d46b.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1684	df8b178699084cd53cec422d5080d46b.exe
2336	df8b178699084cd53cec422d5080d46b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2336	1684	df8b178699084cd53cec422d5080d46b.exe	28
PID 1684 wrote to memory of 2336	1684	df8b178699084cd53cec422d5080d46b.exe	28
PID 1684 wrote to memory of 2336	1684	df8b178699084cd53cec422d5080d46b.exe	28
PID 1684 wrote to memory of 2336	1684	df8b178699084cd53cec422d5080d46b.exe	28

C:\Users\Admin\AppData\Local\Temp\df8b178699084cd53cec422d5080d46b.exe
"C:\Users\Admin\AppData\Local\Temp\df8b178699084cd53cec422d5080d46b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\df8b178699084cd53cec422d5080d46b.exe
  C:\Users\Admin\AppData\Local\Temp\df8b178699084cd53cec422d5080d46b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2336

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\TarEB7.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\df8b178699084cd53cec422d5080d46b.exe

Filesize
385KB

MD5
75e56954b4a7fc385e6c10306b4a88cb

SHA1
27aeb87a0f628d348bf8722ef828beb071467812

SHA256
7ccd1712d9618eb20ccd20e542431045c403fe94806fa823d79245ef815a8c52

SHA512
718525daf871fcb719b406ba6669cd311036c40512593f3f3c61f89438170733404294c1c1816dde0f490a49b8660173ec6894a58e151adacd0fe240432bfbe0

Download Submit
memory/1684-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1684-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1684-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1684-2-0x0000000000250000-0x00000000002B6000-memory.dmp

Filesize
408KB

Download
memory/1684-12-0x00000000002C0000-0x0000000000326000-memory.dmp

Filesize
408KB

Download
memory/2336-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2336-29-0x0000000002D50000-0x0000000002DAF000-memory.dmp

Filesize
380KB

Download
memory/2336-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2336-17-0x0000000000360000-0x00000000003C6000-memory.dmp

Filesize
408KB

Download
memory/2336-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2336-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2336-87-0x000000000EDA0000-0x000000000EDDC000-memory.dmp

Filesize
240KB

Download

Analysis

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