ramnit | c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d

General

Target

c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe
Size

756KB
MD5

abe779482d3e8d51381ca04cd84d2cd4
SHA1

2751f1b89bdb639e0e00e44b8ebc6b7ff3744817
SHA256

c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d
SHA512

fa8eea2f63d37db30b35bc8a5a731b0120c5b4e676dd8ccd02f3b3c3b729d6fe396950c736b5fe75c735e46fd4c3191db73181917c14a7d24b8ad1d44e39a4a0

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Executes dropped EXE 2 IoCs

Processes:

c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exeDesktopLayer.exe

pid process

4636 c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
4224 DesktopLayer.exe

pid	process
4636	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
4224	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/4636-138-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4224-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px7F61.tmp	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30967875"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3392243938"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30967875"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3392243938"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3364893228"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3364893228"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30967875"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "362892714"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F2976531-F436-11EC-B274-6E95B8993B04} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30967875"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
4224	DesktopLayer.exe
4224	DesktopLayer.exe
4224	DesktopLayer.exe
4224	DesktopLayer.exe
4224	DesktopLayer.exe
4224	DesktopLayer.exe
4224	DesktopLayer.exe
4224	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe

pid process

3040 c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AUDIODG.EXE

description pid process

Token: 33 1920 AUDIODG.EXE
Token: SeIncBasePriorityPrivilege 1920 AUDIODG.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4208 iexplore.exe

description	pid	process
Token: 33	1920	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1920	AUDIODG.EXE

pid	process
4208	iexplore.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exeiexplore.exeIEXPLORE.EXE

pid	process
3040	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe
4208	iexplore.exe
4208	iexplore.exe
3040	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe
3040	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe
1100	IEXPLORE.EXE
1100	IEXPLORE.EXE
1100	IEXPLORE.EXE
1100	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exec2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 3040 wrote to memory of 4636	3040	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
PID 3040 wrote to memory of 4636	3040	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
PID 3040 wrote to memory of 4636	3040	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
PID 4636 wrote to memory of 4224	4636	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe	DesktopLayer.exe
PID 4636 wrote to memory of 4224	4636	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe	DesktopLayer.exe
PID 4636 wrote to memory of 4224	4636	c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe	DesktopLayer.exe
PID 4224 wrote to memory of 4208	4224	DesktopLayer.exe	iexplore.exe
PID 4224 wrote to memory of 4208	4224	DesktopLayer.exe	iexplore.exe
PID 4208 wrote to memory of 1100	4208	iexplore.exe	IEXPLORE.EXE
PID 4208 wrote to memory of 1100	4208	iexplore.exe	IEXPLORE.EXE
PID 4208 wrote to memory of 1100	4208	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe
"C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040

C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4636

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4224

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4208

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4208 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1100

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x508 0x2f0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
4b5f63131c2ad19a1b25b9c790cb101f

SHA1
23ffbecbbc2c90699e632a1bb789f5e6c6975fbe

SHA256
f712507488d39ee6f3913255fa4e3f64b7f8d7be0c920c02546e3647f87603da

SHA512
dc1d4c9b5157e79230fa05b1bde5e76f1ab2bdb08883ec74cccedc3ef88b1dff05fe91b36ab72086be6899d70fa9056d7c19fa0f285578b7cfa141f9e2cb6240

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
74e7ac5155d395003a94fe2d1c68ca48

SHA1
7a6a9638c859a306bb8c0508fc09bec91c18ec91

SHA256
d97af7a49776cb5975eb0e4401fdcd8426755566893e84f3f9989a23b027b88f

SHA512
8375a6263777dfb0148812f70690489db328beb2af0da0cadf072b2ef463b99c00b78eff8038759f20a2f2b62f554332f2302bfcfbb773a3cd70add7bb4610ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/3040-130-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3040-131-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4224-135-0x0000000000000000-mapping.dmp

Download
memory/4224-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4636-132-0x0000000000000000-mapping.dmp

Download
memory/4636-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads