711596144e0595c7a7b4ce14657415f14a6966eadbaa4efbaea49f9cea746465

Analysis

max time kernel
122s
max time network
126s
platform
windows10_x64
resource
win10-en-20211014
submitted
19-10-2021 14:58

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General

Target

fef94d43785bb65b22223999176aee30.exe
Size

66KB
MD5

fef94d43785bb65b22223999176aee30
SHA1

e0909b279e64aedad50e4184bff28b6e1d1f4d99
SHA256

711596144e0595c7a7b4ce14657415f14a6966eadbaa4efbaea49f9cea746465
SHA512

0c70fb0fee26840accae862d6fd8f1692bb283042372f889b62f3363c85f6e5d0c8e414e72a3b0a3bbaa4c06b47ba27b5235bb03ab82c5e0dc3147d29c4f6c99

Score

9^/10

discovery evasion persistence spyware stealer themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Executes dropped EXE 6 IoCs

Processes:

4703983.exe6743162.exe4145107.exe7841290.exe8311815.exeWinHoster.exe

pid process

3340 4703983.exe
3004 6743162.exe
2892 4145107.exe
508 7841290.exe
1580 8311815.exe
2408 WinHoster.exe

pid	process
3340	4703983.exe
3004	6743162.exe
2892	4145107.exe
508	7841290.exe
1580	8311815.exe
2408	WinHoster.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4145107.exe6743162.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4145107.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4145107.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6743162.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6743162.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\6743162.exe	themida
C:\Users\Admin\AppData\Roaming\6743162.exe	themida
C:\Users\Admin\AppData\Roaming\4145107.exe	themida
C:\Users\Admin\AppData\Roaming\4145107.exe	themida
behavioral2/memory/3004-153-0x00000000012D0000-0x00000000012D1000-memory.dmp	themida
behavioral2/memory/2892-156-0x0000000000A90000-0x0000000000A91000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7841290.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinHost = "C:\\Users\\Admin\\AppData\\Roaming\\WinHost\\WinHoster.exe"	7841290.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

6743162.exe4145107.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	6743162.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4145107.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

6743162.exe4145107.exe

pid process

3004 6743162.exe
2892 4145107.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

4703983.exe6743162.exe4145107.exe8311815.exe

pid process

3340 4703983.exe
3004 6743162.exe
3004 6743162.exe
2892 4145107.exe
2892 4145107.exe
1580 8311815.exe
3340 4703983.exe
1580 8311815.exe
3004 6743162.exe

pid	process
3004	6743162.exe
2892	4145107.exe

pid	process
3340	4703983.exe
3004	6743162.exe
3004	6743162.exe
2892	4145107.exe
2892	4145107.exe
1580	8311815.exe
3340	4703983.exe
1580	8311815.exe
3004	6743162.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

fef94d43785bb65b22223999176aee30.exe4703983.exe8311815.exe6743162.exe4145107.exe

description	pid	process
Token: SeDebugPrivilege	1420	fef94d43785bb65b22223999176aee30.exe
Token: SeDebugPrivilege	3340	4703983.exe
Token: SeDebugPrivilege	1580	8311815.exe
Token: SeDebugPrivilege	3004	6743162.exe
Token: SeDebugPrivilege	2892	4145107.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

fef94d43785bb65b22223999176aee30.exe7841290.exe

description	pid	process	target process
PID 1420 wrote to memory of 3340	1420	fef94d43785bb65b22223999176aee30.exe	4703983.exe
PID 1420 wrote to memory of 3340	1420	fef94d43785bb65b22223999176aee30.exe	4703983.exe
PID 1420 wrote to memory of 3340	1420	fef94d43785bb65b22223999176aee30.exe	4703983.exe
PID 1420 wrote to memory of 3004	1420	fef94d43785bb65b22223999176aee30.exe	6743162.exe
PID 1420 wrote to memory of 3004	1420	fef94d43785bb65b22223999176aee30.exe	6743162.exe
PID 1420 wrote to memory of 3004	1420	fef94d43785bb65b22223999176aee30.exe	6743162.exe
PID 1420 wrote to memory of 2892	1420	fef94d43785bb65b22223999176aee30.exe	4145107.exe
PID 1420 wrote to memory of 2892	1420	fef94d43785bb65b22223999176aee30.exe	4145107.exe
PID 1420 wrote to memory of 2892	1420	fef94d43785bb65b22223999176aee30.exe	4145107.exe
PID 1420 wrote to memory of 508	1420	fef94d43785bb65b22223999176aee30.exe	7841290.exe
PID 1420 wrote to memory of 508	1420	fef94d43785bb65b22223999176aee30.exe	7841290.exe
PID 1420 wrote to memory of 508	1420	fef94d43785bb65b22223999176aee30.exe	7841290.exe
PID 1420 wrote to memory of 1580	1420	fef94d43785bb65b22223999176aee30.exe	8311815.exe
PID 1420 wrote to memory of 1580	1420	fef94d43785bb65b22223999176aee30.exe	8311815.exe
PID 1420 wrote to memory of 1580	1420	fef94d43785bb65b22223999176aee30.exe	8311815.exe
PID 508 wrote to memory of 2408	508	7841290.exe	WinHoster.exe
PID 508 wrote to memory of 2408	508	7841290.exe	WinHoster.exe
PID 508 wrote to memory of 2408	508	7841290.exe	WinHoster.exe

C:\Users\Admin\AppData\Local\Temp\fef94d43785bb65b22223999176aee30.exe
"C:\Users\Admin\AppData\Local\Temp\fef94d43785bb65b22223999176aee30.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420

C:\Users\Admin\AppData\Roaming\4703983.exe
"C:\Users\Admin\AppData\Roaming\4703983.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3340

C:\Users\Admin\AppData\Roaming\6743162.exe
"C:\Users\Admin\AppData\Roaming\6743162.exe"
2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3004

C:\Users\Admin\AppData\Roaming\4145107.exe
"C:\Users\Admin\AppData\Roaming\4145107.exe"
2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2892

C:\Users\Admin\AppData\Roaming\7841290.exe
"C:\Users\Admin\AppData\Roaming\7841290.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:508

C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
"C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
3⤵
- Executes dropped EXE
PID:2408

C:\Users\Admin\AppData\Roaming\8311815.exe
"C:\Users\Admin\AppData\Roaming\8311815.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\4145107.exe
MD5
65af30e5183ec3ed5bbd2bb01a84c70d

SHA1
0c80dd39c6f549d223580d0de4cac24e16bc2b4d

SHA256
e8dfd805239ea832e78569f203b2f097560387960395396b870ab2ab66e620d7

SHA512
290e6ea2f1c402a3002f58047852a3507a28910a416973b86c73ffbf62f85b7d5e3803a05a7ba66b4f167757c75908b35c275e29ed7ccb2f440ab1fcd7b91944

Download Submit
C:\Users\Admin\AppData\Roaming\4145107.exe
MD5
65af30e5183ec3ed5bbd2bb01a84c70d

SHA1
0c80dd39c6f549d223580d0de4cac24e16bc2b4d

SHA256
e8dfd805239ea832e78569f203b2f097560387960395396b870ab2ab66e620d7

SHA512
290e6ea2f1c402a3002f58047852a3507a28910a416973b86c73ffbf62f85b7d5e3803a05a7ba66b4f167757c75908b35c275e29ed7ccb2f440ab1fcd7b91944

Download Submit
C:\Users\Admin\AppData\Roaming\4703983.exe
MD5
b000b6fab1932dd4ef495be9aff97ce6

SHA1
bb268db4c14470dcfa20bd57d91b30b163f34298

SHA256
46406f0615c1f330788c4271a32c244859e5bc4ef2d83fc1cf4484fd10454422

SHA512
ac80bf00cdf53073af9bcbf2240a551a4e3832f8dcc2381f5d325cc73e7782823f11e3e7c31716510b0af5572f146ca756babc8b95347ddaca82937c01acd29a

Download Submit
C:\Users\Admin\AppData\Roaming\4703983.exe
MD5
b000b6fab1932dd4ef495be9aff97ce6

SHA1
bb268db4c14470dcfa20bd57d91b30b163f34298

SHA256
46406f0615c1f330788c4271a32c244859e5bc4ef2d83fc1cf4484fd10454422

SHA512
ac80bf00cdf53073af9bcbf2240a551a4e3832f8dcc2381f5d325cc73e7782823f11e3e7c31716510b0af5572f146ca756babc8b95347ddaca82937c01acd29a

Download Submit
C:\Users\Admin\AppData\Roaming\6743162.exe
MD5
7b02c8c409875e573df30c0d6ba41f32

SHA1
6153e93cf304d7a01c14c3d000d7acf99869ca3c

SHA256
f430f969b29f02eb51dabf223bf91dea6a3bf790af55fe49d5e36073cdd342e8

SHA512
29f4ab0bd8b343d95aee94ec3e411fe6dde85d50d980bcbe8c0ae2aea0c9b1f6fb4822bb1622c8fe4c3fde26c9c91985e44cbaf7e8f6a15fbed60952fbfbb181

Download Submit
C:\Users\Admin\AppData\Roaming\6743162.exe
MD5
7b02c8c409875e573df30c0d6ba41f32

SHA1
6153e93cf304d7a01c14c3d000d7acf99869ca3c

SHA256
f430f969b29f02eb51dabf223bf91dea6a3bf790af55fe49d5e36073cdd342e8

SHA512
29f4ab0bd8b343d95aee94ec3e411fe6dde85d50d980bcbe8c0ae2aea0c9b1f6fb4822bb1622c8fe4c3fde26c9c91985e44cbaf7e8f6a15fbed60952fbfbb181

Download Submit
C:\Users\Admin\AppData\Roaming\7841290.exe
MD5
9ec6ecf38cb040515dd99edc3e964c10

SHA1
96013003c9055983f9e9411613364d6c29169738

SHA256
80db68b4b0216a5371497f59d688d88108efe0bbf3d3fea1b969cde9ce8d4168

SHA512
1a7746ddf8f0a660fe4fa6b7fce03c922f2c027550388dd50910d2969ca6390b5b792644dcfd6562ef2ac44b74940547c6281806b30772cfa41415722f7eb323

Download Submit
C:\Users\Admin\AppData\Roaming\7841290.exe
MD5
9ec6ecf38cb040515dd99edc3e964c10

SHA1
96013003c9055983f9e9411613364d6c29169738

SHA256
80db68b4b0216a5371497f59d688d88108efe0bbf3d3fea1b969cde9ce8d4168

SHA512
1a7746ddf8f0a660fe4fa6b7fce03c922f2c027550388dd50910d2969ca6390b5b792644dcfd6562ef2ac44b74940547c6281806b30772cfa41415722f7eb323

Download Submit
C:\Users\Admin\AppData\Roaming\8311815.exe
MD5
bae62464dcabed11f92664a980b25a8d

SHA1
45d9d713c1d0415f73b224f42fa80f772f8ad434

SHA256
63a1722ff99b52778675943c9462258e13349469ebd0977aaf5aec471fbfb1b2

SHA512
f2a5fdd5fc21e4fde6e26bbb87e43171517cf214e186268f0c52341ba7e3554a64f6982ddb57731f3ebf67fd3ab4be0c3fd5135f6e52ef887df70662bc9c5f68

Download Submit
C:\Users\Admin\AppData\Roaming\8311815.exe
MD5
bae62464dcabed11f92664a980b25a8d

SHA1
45d9d713c1d0415f73b224f42fa80f772f8ad434

SHA256
63a1722ff99b52778675943c9462258e13349469ebd0977aaf5aec471fbfb1b2

SHA512
f2a5fdd5fc21e4fde6e26bbb87e43171517cf214e186268f0c52341ba7e3554a64f6982ddb57731f3ebf67fd3ab4be0c3fd5135f6e52ef887df70662bc9c5f68

Download Submit
C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
MD5
9ec6ecf38cb040515dd99edc3e964c10

SHA1
96013003c9055983f9e9411613364d6c29169738

SHA256
80db68b4b0216a5371497f59d688d88108efe0bbf3d3fea1b969cde9ce8d4168

SHA512
1a7746ddf8f0a660fe4fa6b7fce03c922f2c027550388dd50910d2969ca6390b5b792644dcfd6562ef2ac44b74940547c6281806b30772cfa41415722f7eb323

Download Submit
C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
MD5
9ec6ecf38cb040515dd99edc3e964c10

SHA1
96013003c9055983f9e9411613364d6c29169738

SHA256
80db68b4b0216a5371497f59d688d88108efe0bbf3d3fea1b969cde9ce8d4168

SHA512
1a7746ddf8f0a660fe4fa6b7fce03c922f2c027550388dd50910d2969ca6390b5b792644dcfd6562ef2ac44b74940547c6281806b30772cfa41415722f7eb323

Download Submit
memory/508-136-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/508-140-0x0000000000E90000-0x0000000000E91000-memory.dmp

Filesize
4KB

Download
memory/508-133-0x0000000000000000-mapping.dmp

Download
memory/508-142-0x000000000A790000-0x000000000A791000-memory.dmp

Filesize
4KB

Download
memory/1420-117-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/1420-118-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/1420-115-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1580-167-0x000000000D9A0000-0x000000000D9A1000-memory.dmp

Filesize
4KB

Download
memory/1580-149-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/1580-139-0x0000000000000000-mapping.dmp

Download
memory/1580-170-0x0000000002970000-0x0000000002971000-memory.dmp

Filesize
4KB

Download
memory/1580-163-0x000000000A450000-0x000000000A498000-memory.dmp

Filesize
288KB

Download
memory/1580-158-0x0000000002980000-0x0000000002981000-memory.dmp

Filesize
4KB

Download
memory/2408-186-0x0000000004A10000-0x0000000004A11000-memory.dmp

Filesize
4KB

Download
memory/2408-181-0x000000000AA60000-0x000000000AA61000-memory.dmp

Filesize
4KB

Download
memory/2408-174-0x0000000009F40000-0x0000000009F41000-memory.dmp

Filesize
4KB

Download
memory/2408-159-0x0000000000000000-mapping.dmp

Download
memory/2892-146-0x00000000772E0000-0x000000007746E000-memory.dmp

Filesize
1.6MB

Download
memory/2892-183-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

Filesize
4KB

Download
memory/2892-199-0x0000000007400000-0x0000000007401000-memory.dmp

Filesize
4KB

Download
memory/2892-156-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/2892-197-0x0000000007320000-0x0000000007321000-memory.dmp

Filesize
4KB

Download
memory/2892-190-0x0000000005C00000-0x0000000005C01000-memory.dmp

Filesize
4KB

Download
memory/2892-188-0x0000000005CD0000-0x0000000005CD1000-memory.dmp

Filesize
4KB

Download
memory/2892-130-0x0000000000000000-mapping.dmp

Download
memory/3004-187-0x0000000005B00000-0x0000000005B01000-memory.dmp

Filesize
4KB

Download
memory/3004-162-0x0000000006120000-0x0000000006121000-memory.dmp

Filesize
4KB

Download
memory/3004-208-0x00000000083B0000-0x00000000083B1000-memory.dmp

Filesize
4KB

Download
memory/3004-153-0x00000000012D0000-0x00000000012D1000-memory.dmp

Filesize
4KB

Download
memory/3004-145-0x00000000772E0000-0x000000007746E000-memory.dmp

Filesize
1.6MB

Download
memory/3004-171-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download
memory/3004-175-0x0000000005B10000-0x0000000005B11000-memory.dmp

Filesize
4KB

Download
memory/3004-127-0x0000000000000000-mapping.dmp

Download
memory/3340-126-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/3340-144-0x000000000E010000-0x000000000E011000-memory.dmp

Filesize
4KB

Download
memory/3340-184-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/3340-147-0x000000000E710000-0x000000000E711000-memory.dmp

Filesize
4KB

Download
memory/3340-122-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/3340-124-0x0000000002BD0000-0x0000000002BD1000-memory.dmp

Filesize
4KB

Download
memory/3340-125-0x0000000005330000-0x0000000005379000-memory.dmp

Filesize
292KB

Download
memory/3340-132-0x00000000053B0000-0x00000000053B1000-memory.dmp

Filesize
4KB

Download
memory/3340-168-0x000000000E1E0000-0x000000000E1E1000-memory.dmp

Filesize
4KB

Download
memory/3340-119-0x0000000000000000-mapping.dmp

Download