f34b6beb2998df7e4c9f5bcfe843d1634d64d13c353814ba0724e0fd944fa727

General

Target

3bb8908737d4982ec99ad47c2ca332b3.exe
Size

771KB
MD5

3bb8908737d4982ec99ad47c2ca332b3
SHA1

b74ab681c2b6d35f83ce09bf8cc9d98b67f8aafe
SHA256

f34b6beb2998df7e4c9f5bcfe843d1634d64d13c353814ba0724e0fd944fa727
SHA512

07c0cc7fa31ff82ec278104e48e641b83177026bed4949c936e01d6a8830bf986314f8cf03a4edcc05a7ef97c333a66b586b754d83c334b82ce85aa2f83a3f6d
SSDEEP

24576:/X/UQzKp73azJkmJ6foskib10hJaothZ2/T6FBBB:f/dzC3azkfxR/ofT

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2924	3bb8908737d4982ec99ad47c2ca332b3.exe

Executes dropped EXE 1 IoCs

pid	Process
2924	3bb8908737d4982ec99ad47c2ca332b3.exe

Loads dropped DLL 1 IoCs

pid	Process
2312	3bb8908737d4982ec99ad47c2ca332b3.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	3bb8908737d4982ec99ad47c2ca332b3.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	3bb8908737d4982ec99ad47c2ca332b3.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	3bb8908737d4982ec99ad47c2ca332b3.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2312	3bb8908737d4982ec99ad47c2ca332b3.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2312	3bb8908737d4982ec99ad47c2ca332b3.exe
2924	3bb8908737d4982ec99ad47c2ca332b3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2924	2312	3bb8908737d4982ec99ad47c2ca332b3.exe	27
PID 2312 wrote to memory of 2924	2312	3bb8908737d4982ec99ad47c2ca332b3.exe	27
PID 2312 wrote to memory of 2924	2312	3bb8908737d4982ec99ad47c2ca332b3.exe	27
PID 2312 wrote to memory of 2924	2312	3bb8908737d4982ec99ad47c2ca332b3.exe	27

C:\Users\Admin\AppData\Local\Temp\3bb8908737d4982ec99ad47c2ca332b3.exe
"C:\Users\Admin\AppData\Local\Temp\3bb8908737d4982ec99ad47c2ca332b3.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Users\Admin\AppData\Local\Temp\3bb8908737d4982ec99ad47c2ca332b3.exe
  C:\Users\Admin\AppData\Local\Temp\3bb8908737d4982ec99ad47c2ca332b3.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2924

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\3bb8908737d4982ec99ad47c2ca332b3.exe

Filesize
478KB

MD5
30e930d7d52e5d314a694d503f09d784

SHA1
d596e4012ce6a4fd17be2bfe20810aaff35dab55

SHA256
3afbe7cf1a6f1bd32a2973f55cd7ca97b2fc97daf83adc02ce2b6fac7a93abfa

SHA512
bb1ae4122b75cf327a4ff3ba8c618d5ab5c50f0cf628e82af442593a034af4d5bab94663ec6df1593307284d92075c5c097d2007b5d9a94ea52f9200ebac87df

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5EE4.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5F26.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\3bb8908737d4982ec99ad47c2ca332b3.exe

Filesize
771KB

MD5
99607a14b78c7277d9c2ccfcfd0e721e

SHA1
fcf79d28ac502ac5c32304e6a926f7251e89c41d

SHA256
ed3b7e3ea958dea95a05028c6e541977dbefa687facf8892d209c9a7183d54f8

SHA512
244be7086307609f793b6692925f34a9ccb7d5259bca872b52f11869e58d1cee62323a9c5f94644a5b3652948b6bb73f17ed463866a2a1a706742da2a19fe716

Download Submit
memory/2312-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2312-12-0x0000000003080000-0x00000000030E6000-memory.dmp

Filesize
408KB

Download
memory/2312-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2312-5-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2312-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2924-18-0x0000000000210000-0x0000000000276000-memory.dmp

Filesize
408KB

Download
memory/2924-23-0x0000000002D40000-0x0000000002D9F000-memory.dmp

Filesize
380KB

Download
memory/2924-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2924-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2924-80-0x000000000A650000-0x000000000A68C000-memory.dmp

Filesize
240KB

Download
memory/2924-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

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