bfb94e40445c0a130b38c2854bcd011abe106c72d01fcd60f79a3ed41e5df9e8

General

Target

4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe
Size

385KB
MD5

4ca34ba9ca07ca2c6264d6ea5d9c86d6
SHA1

ce80a1d584b95f7aabfc3203ba60f76711dee7af
SHA256

bfb94e40445c0a130b38c2854bcd011abe106c72d01fcd60f79a3ed41e5df9e8
SHA512

14f6680758c419d10b64b2e67d17302e9f58a42ad6970df707aa0c303061c772c01b53089474e887abd17fc479a183c4c3f591808bb3ecba6ef760b864fd938a
SSDEEP

12288:rej2A8xvxzq08D73+vECDJuRV1yvVJjCmAJtui6fH3oAwYak0B:rA2A8xvt7u3+j9ZJGB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2404	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe

Executes dropped EXE 1 IoCs

pid	Process
2404	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2268	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2268	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe
2404	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2404	2268	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe	28
PID 2268 wrote to memory of 2404	2268	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe	28
PID 2268 wrote to memory of 2404	2268	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe	28
PID 2268 wrote to memory of 2404	2268	4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe	28

C:\Users\Admin\AppData\Local\Temp\4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe
"C:\Users\Admin\AppData\Local\Temp\4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe
  C:\Users\Admin\AppData\Local\Temp\4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2404

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\Local\Temp\Cab5F32.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5F73.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\4ca34ba9ca07ca2c6264d6ea5d9c86d6.exe

Filesize
385KB

MD5
bae0e34bd826fbd942fb1aecd15b961f

SHA1
0a4463f3a75f36a1a605d4745c9d804c9fa1d12f

SHA256
68b65b161c16142885a8707b4a44efe78ef43d33fcbe6cb71995ee213b0a50da

SHA512
5a54717d5508e257e0a20c98b9d901f2bbae9a69ac62ae021a775e2ef625a0cfddb1f6a031fd1f92f2b65636e98838f6fdd581dd414f72bc2ea5017a772decea

Download Submit
memory/2268-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2268-12-0x0000000002DC0000-0x0000000002E26000-memory.dmp

Filesize
408KB

Download
memory/2268-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2268-2-0x0000000000320000-0x0000000000386000-memory.dmp

Filesize
408KB

Download
memory/2268-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2404-17-0x0000000000390000-0x00000000003F6000-memory.dmp

Filesize
408KB

Download
memory/2404-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2404-28-0x0000000002D10000-0x0000000002D6F000-memory.dmp

Filesize
380KB

Download
memory/2404-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2404-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2404-82-0x000000000D8B0000-0x000000000D8EC000-memory.dmp

Filesize
240KB

Download

Analysis

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