bacf1ae72d809382dc9ceba302a3f1fc91542620767e9d34e5caab2a2619e133

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
15-01-2024 05:41

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General

Target

$TEMP/TeamViewer/Version5/TeamViewer_.exe
Size

2.4MB
MD5

5fdc7abc293f55b307c52c927c726948
SHA1

f469b3103a64d0c694f16f85ee62e0d7efdf60de
SHA256

8928ae4aa22a26e9cefa9e1e1f046f02b0e8e49830b4c7a3eff6f39a8a09963f
SHA512

9670700c04d0400643fbbf387c6f92bf02cfe1f890f9ddd1746d7ff1611a0c8da5c7d3bf75ff71578262caf731751a4a40d216ddd7d96615218f0896096121ab
SSDEEP

49152:v0Ii8g9VPJlLQBkK8q3ws6krWiSERpTT8TnrKPMaU9R0Q02p+o:sIi8g9BMBLVWixrsTOvIV

Score

7^/10

upx

Malware Config

Signatures

Loads dropped DLL 6 IoCs

pid	Process
2416	TeamViewer_.exe
2416	TeamViewer_.exe
2416	TeamViewer_.exe
2416	TeamViewer_.exe
2416	TeamViewer_.exe
2416	TeamViewer_.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral3/memory/2416-0-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral3/memory/2416-214-0x0000000000400000-0x0000000000449000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2416	TeamViewer_.exe

C:\Users\Admin\AppData\Local\Temp\$TEMP\TeamViewer\Version5\TeamViewer_.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\TeamViewer\Version5\TeamViewer_.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\TvGetVersion.dll

Filesize
13KB

MD5
eb062eb8b2c498c03b1542ccde87ad90

SHA1
44432fa3d16baa6bd5243fab7187204d4c0a2166

SHA256
81888a1166ae594aef28084d00c5d59e899e8f0b6bc632f99df08fba3ad77c3b

SHA512
e21af0d46cb71ecbe764915fc9ef67ebbe3c0dd428b4816adb7e966aafb761aa72248a21392236bf4ce068be855e9a43f3ccf96db612edef3cb17e1a10afe4e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\environment.ini

Filesize
661B

MD5
d49491c7ba7bd565e1b8ff473cd84c8e

SHA1
2522272cf01af17f8ace15a29759f7629ebdc94e

SHA256
0be1c22c6f540d98cd55d7f434f57aedffc67a19df4e4957f75eb034a7b3d9bb

SHA512
2207da44794bd8b8ed1161a0a1990d13824c91b651711d20fbd14769f898a95168884e217f24465b309901215961f3bcb287214b61c5ce2fbc020e8e21cb7b3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\host.ini

Filesize
975B

MD5
69a491a30f8fd22d3210847d54274a19

SHA1
7e19eb2b1424bb487708f91001d0a001e214ebb8

SHA256
49a8ab22496032d8286c7fa71d1e5fc3f13079572d45e4140d1b24be57202b53

SHA512
4ac8b38c91eb466cc31e8256cd7a59bf10ff088a3ff233510277be969134c7da2c784fb1254323c2a3e502d2daa98561c160d321a153914b65f97c6bec79207b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\start.ini

Filesize
1KB

MD5
e9d07535b2fd36a5e4d22dee3ee9941e

SHA1
ac7f0978e3a3556cbd948747a04649cfe3feffac

SHA256
74b0ef1ea5e98db4df8882823af821b24bd0a3aa9ae323b92b93aecb6b192df4

SHA512
354541eb559962ef24d09143414cfae1706a120710626d242de392a7b53fee04535691360a5fc87ee3d647216fedd8326ec2b1e7bdcd3a619206fbf9acb23206

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\start.ini

Filesize
983B

MD5
cc38fe264db13629dbac09fb999f4f7f

SHA1
51db7d5f9fa53ae98856575b55c4d69ee0cfc6b0

SHA256
0ebbe20b46d7cb70a57c730bf65f73c219c03a0bcffc36fa7a4adefd2623141d

SHA512
fbb4ef383b4a4b18f0fac1dede037213ffd16f8bd9a98e4d326817953b2b2ce577f4a5696cddbbf4a84a595cf1dc85e4b0501cfb988eac909f698789e73033e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\start.ini

Filesize
996B

MD5
551ae433464caffd8d3a589b7ea97855

SHA1
e1fe40190713760a1216c1bda4ad7bc1024f6344

SHA256
3dc36a26f82d8697dcd096e02dc2455ba3de9b3081799efc50e499d27053c157

SHA512
247a2ab1d528ca7fef8397e441eebd472a98ad34165e9c063e460619291f0fb8693cec087c2ee6fb4879a88046d6c2be33415932273f00ea8c823f01eac3cc8f

Download Submit
\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\InstallOptions.dll

Filesize
14KB

MD5
0dc0cc7a6d9db685bf05a7e5f3ea4781

SHA1
5d8b6268eeec9d8d904bc9d988a4b588b392213f

SHA256
8e287326f1cdd5ef2dcd7a72537c68cbe4299ceb1f820707c5820f3aa6d8206c

SHA512
814dd17ebb434f4a3356f716c783ab7f569f9ee34ce5274fa50392526925f044798f8006198ac7afe3d1c2ca83a2ca8c472ca53fec5f12bbfbbe0707abacd6b0

Download Submit
\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\UserInfo.dll

Filesize
4KB

MD5
1e8e11f465afdabe97f529705786b368

SHA1
ea42bed65df6618c5f5648567d81f3935e70a2a0

SHA256
7d099352c82612ab27ddfd7310c1aa049b58128fb04ea6ea55816a40a6f6487b

SHA512
16566a8c1738e26962139aae893629098dc759e4ac87df3e8eb9819df4e0e422421836bb1e4240377e00fb2f4408ce40f40eee413d0f6dd2f3a4e27a52d49a0b

Download Submit
memory/2416-0-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2416-214-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download