8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679

General

Target

8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe
Size

814KB
MD5

daeeb64bc3b2ca69d5062b932d9f5486
SHA1

d958e304dbd45b11f414034799e005510ff2d94d
SHA256

8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679
SHA512

6db8fc36dfd4b0ce9c4e15f27c25760cd361f78bffbc8e39796f846f324b58fb90800fe9ca6c1f2e35f415ae7ba880730aeaa4a90621bb1634b7c12e04742d0a
SSDEEP

12288:6JTQdb6aT/+OkC2WOPASrfuhheB0IyXUJW+QiAukU30+9Ir/CSQC:mTQdb6aTfkC2WOIOI4qIwUk+T/G/CA

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe
2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe
2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe

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

Web Service

T1102

flow	ioc
54	drive.google.com
55	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2416	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe
2416	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 2416	2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe	101

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\hotdoggen.ini	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4744	2416	WerFault.exe	101

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2416	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe
2416	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2416	2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe	101
PID 2248 wrote to memory of 2416	2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe	101
PID 2248 wrote to memory of 2416	2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe	101
PID 2248 wrote to memory of 2416	2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe	101
PID 2248 wrote to memory of 2416	2248	8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe	101

C:\Users\Admin\AppData\Local\Temp\8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe
"C:\Users\Admin\AppData\Local\Temp\8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe
  "C:\Users\Admin\AppData\Local\Temp\8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:2416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 1060
    3⤵
    - Program crash
    PID:4744

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4432 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:2372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2416 -ip 2416
1⤵
PID:1952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nssBED7.tmp\System.dll

Filesize
11KB

MD5
2ae993a2ffec0c137eb51c8832691bcb

SHA1
98e0b37b7c14890f8a599f35678af5e9435906e1

SHA256
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

SHA512
2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssBED7.tmp\nsExec.dll

Filesize
6KB

MD5
b648c78981c02c434d6a04d4422a6198

SHA1
74d99eed1eae76c7f43454c01cdb7030e5772fc2

SHA256
3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

SHA512
219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

Download Submit
C:\Windows\hotdoggen.ini

Filesize
50B

MD5
70345464ba62a9453db2f24c1bc10881

SHA1
62fe4814d1b6082b46c196734b9eaf33b9b691bb

SHA256
cc7e912d757a17a09ced10401c69d122b7972d4f9f6e26705e18a8cfe3ebef40

SHA512
b0ed1640898ebf66797489862be3acdff589b161106c688e0536cabd91f673a75126a70b9363b078d8c88144d547ded4e8980e457c8e75e1477aadbb5414ae3a

Download Submit
memory/2248-298-0x0000000077551000-0x0000000077671000-memory.dmp

Filesize
1.1MB

Download
memory/2248-299-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/2416-301-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/2416-300-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/2416-302-0x00000000775D8000-0x00000000775D9000-memory.dmp

Filesize
4KB

Download
memory/2416-304-0x00000000775F5000-0x00000000775F6000-memory.dmp

Filesize
4KB

Download
memory/2416-317-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/2416-319-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/2416-320-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/2416-321-0x0000000077551000-0x0000000077671000-memory.dmp

Filesize
1.1MB

Download
memory/2416-322-0x0000000035210000-0x000000003555A000-memory.dmp

Filesize
3.3MB

Download
memory/2416-323-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download

Analysis

Sharing